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Les investigations sur les branchements particuliers (test à la fumée...) sont nécessaires.","Observation_station":null},{"_id":12,"Contrat_de_riviere":"contrat territorial Arconce","Identification_masse_eau":"LA BOURBINCE DEPUIS GENELARD JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR200","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"VARENNE SAINT GERMAIN/EST","Num_SANDRE":"0471557S0002","Capacite_EH":"200","Commune_raccordee_1":"VARENNE SAINT GERMAIN","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"L'estimation des débits relevés par le poste est plus cohérente depuis février.","Observation_station":null},{"_id":13,"Contrat_de_riviere":"contrat territorial Arconce","Identification_masse_eau":"L'ARCONCE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC L'OZOLETTE","Code_Masse_eau":"FRGR189","Milieu_recepteur_proche":"La Semence","Nom_du_systeme_assainissement":"VENDENESSE LES CHAROLLES/Bourg","Num_SANDRE":"0471564S0001","Capacite_EH":"370","Commune_raccordee_1":"VENDENESSE LES CHAROLLES","Habitants_raccordes_1":"70","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"70","Charge_hydraulique_moyenne_recue":"42","Pourcent_du_nominal_Q_step":"75,67567568","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"On constate des surdébits générés lors des périodes pluvieuses, malgré un réseau supposé séparatif.","Observation_station":null},{"_id":14,"Contrat_de_riviere":"contrat territorial Arconce","Identification_masse_eau":"L'ARCONCE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC L'OZOLETTE","Code_Masse_eau":"FRGR189","Milieu_recepteur_proche":"La Semence","Nom_du_systeme_assainissement":"VENDENESSE LES CHAROLLES/Collanges","Num_SANDRE":"0471564S0002","Capacite_EH":"90","Commune_raccordee_1":"VENDENESSE LES CHAROLLES","Habitants_raccordes_1":"70","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"70","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau collecte régulièrement des eaux claires.","Observation_station":null},{"_id":15,"Contrat_de_riviere":"contrat territorial Arconce","Identification_masse_eau":"L'ARCONCE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC L'OZOLETTE","Code_Masse_eau":"FRGR189","Milieu_recepteur_proche":"La Semence","Nom_du_systeme_assainissement":"VEROSVRES/Bourg","Num_SANDRE":"0471571S0001","Capacite_EH":"320","Commune_raccordee_1":"VEROSVRES","Habitants_raccordes_1":"202","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"202","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau, unitaire coté Bourg, reste très sensible aux épisodes pluvieux, malgré un fonctionnement a priori correct des déversoirs d'orage. Le suivi des deversoirs d'orage doit être régulier et formalisé.\n\n\nLa pollution théoriquement raccordée sur les ouvrages a atteint la capacité nominale des ouvrages.","Observation_station":null},{"_id":16,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"RETENUE DU PONT DU ROI","Code_Masse_eau":"FRGL136","Milieu_recepteur_proche":"Pont du Roy","Nom_du_systeme_assainissement":"ANTULLY/Bourg","Num_SANDRE":"0471010S0001","Capacite_EH":"300","Commune_raccordee_1":"ANTULLY","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"L'activité biologique des ouvrages est favorable à un traitement efficace de la pollution domestique. Les berges du second étage sont fragilisées par endroit. Le talus pourra être reprofilé à l'occasion d'un curage. La technique du fascinage peut également être employée."},{"_id":17,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"AUTUN/Champs Bons","Num_SANDRE":"0471014S0002","Capacite_EH":"50000","Commune_raccordee_1":"AUTUN","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":"5589","Pourcent_du_nominal_Q_step":"74,52","Charge_polluante_recue_kg_j_DCO":"2121","EH_DCO":"15711,11","Pourcent_du_nominal_step1":"35,35","Charge_polluante_recue_kg_j_NK":"194","Pourcent_du_nominal_step2":"32,33333333","DBO5":"97,5","DCO":"92,3","MEST":"98,1","NK":"89,8","PT":"81,8","T_de_MS_A6":"216","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":"3,28","Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":18,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Ruisseau de la Papeterie","Nom_du_systeme_assainissement":"AUXY/Bourg","Num_SANDRE":"0471015S0003","Capacite_EH":"600","Commune_raccordee_1":"AUXY","Habitants_raccordes_1":"546","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"546","Charge_hydraulique_moyenne_recue":"36,5","Pourcent_du_nominal_Q_step":"40,55555556","Charge_polluante_recue_kg_j_DCO":"12,7","EH_DCO":"94,07","Pourcent_du_nominal_step1":"17,63888889","Charge_polluante_recue_kg_j_NK":"1,74","Pourcent_du_nominal_step2":"24,16666667","DBO5":"84,2","DCO":"76,1","MEST":"73,4","NK":"60,6","PT":"55,2","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Nous avons procédé à un pré-diagnostic réseau du 17 au 19 octobre 2012. Cette étude a permis d'identifier le secteur le plus sensible aux intrusions d'Eaux Claires Parasites. Il s'agit . Une étude plus poussée sera à mener sur ce secteur afin de programmer d'éventuels travaux de réhabilitation.\nSelon les données communales, le lagunage collecte en 2012 210 foyers soit environ 550 Equivalents Habitants sans compter le raccordement de la cantine scolaire et du restaurant.","Observation_station":"Les conditions d'oxygénation sont moyennes à médiocres en fonction des périodes de colonisation par les lentilles. \nSelon les bilans 24H réalisés par Véolia, les eaux usées reçues sont diluées. La charge polluante moyenne reçue atteint 12.7 kg DCO/j soit la pollution émise par 94 Equivalents Habitants. Cette valeur n'est pas représentative du nombre de raccordés et correspond à 15% de la capacité nominale de la station.\nLa charge hydraulique atteint en moyenne 36.5 m3/j soit 40% du nominal de la station."},{"_id":19,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Ruisseau le Trévoux","Nom_du_systeme_assainissement":"BARNAY/ Bourg","Num_SANDRE":"0471020S0001","Capacite_EH":"150","Commune_raccordee_1":"BARNAY","Habitants_raccordes_1":"70","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"70","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":20,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LES ECHETS ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR2027","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"BRION/Bourg","Num_SANDRE":"0471062S0003","Capacite_EH":"50","Commune_raccordee_1":null,"Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":21,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LES ECHETS ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR2027","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"BRION/Guenand","Num_SANDRE":"0471062S0001","Capacite_EH":"150","Commune_raccordee_1":null,"Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"L'entretien du décanteur digesteur n'est pas correctement assuré comme en témoigne la hauteur du chapeau de boues. Une vidange annuelle au minimum du compartiment de digestion ne semble pas respecté.\nLa fuite observée depuis plusieurs années sur le flexible de l'ouvrage de chasse ne permet pas une alimentation par bâchée du lit bactérien. Cela conduit au colmatage du massif."},{"_id":22,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Rançon","Nom_du_systeme_assainissement":"BROYE/Bourg","Num_SANDRE":"0471063S0001","Capacite_EH":"700","Commune_raccordee_1":"BROYE","Habitants_raccordes_1":"524","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"524","Charge_hydraulique_moyenne_recue":"149","Pourcent_du_nominal_Q_step":"141,9047619","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":"1,49","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Selon le RPQS 2011, le réseau d'assainissement dessert 276 habitations soit environ 520 Equivalents Habitants.\nLe réseau d'assainissement draine en permanence des Eaux Claires Parasites comme en témoigne la surcharge hydraulique reçue tout au long de l'année. Des anomalies sur le réseau peuvent être à l'origine de cet apport via des fissures, des joints non étanches au niveau de regards ou des raccords de conduites. Mais des défauts en partie privative peuvent également occasionner d'importantes surcharges hydrauliques (drainage du terrain, trop plein de puits ou de mare).","Observation_station":"La charge hydraulique reçue en moyenne annuelle atteint 149 m3/j soit 142% de la capacité nominale de la station. Cela représente le débit émis par environ 1000 Equivalents Habitants. Ces surcharges hydrauliques contribuent à limiter le temps de séjour dans la station et occasionne une surconsommation énergétique.\nNéanmoins, la station conserve des conditions biologiques favorables à un traitement efficace de la pollution domestique. Des phases d'arrêts de l'oxygénation plus marquées permettrait d'améliorer le traitement de la pollution azotée. Par ailleurs, les boues présentent généralement une bonne aptitude à la décantation.\nLa quantité de boues évacuées au cours de l'année n'est pas représentative du nombre de raccordés puisqu'elle atteint 3092 kg MS soit la charge polluante émise par 206 EH. Cet écart témoigne d'un mauvais rendement de collecte du réseau d'assainissement et met en évidence soit des pertes directes sur le réseau via des défauts d'étanchéité ou soit des anomalies de branchement des particuliers (absence de déconnection des fosses toutes eaux...)."},{"_id":23,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Rançon","Nom_du_systeme_assainissement":"BROYE/Les Combards","Num_SANDRE":"0471063S0002","Capacite_EH":"70","Commune_raccordee_1":"BROYE","Habitants_raccordes_1":"23","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"23","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau dessert 12 habitations soit environ 24 Equivalents Habitants.","Observation_station":"L'absence d'entretien pendant près de 5 ans ainsi que des défauts de conception au niveau du lit bactérien (absence de ventilation, point de rejet au milieu naturel non matérialisé) ont eu des effets néfastes sur le fonctionnement de l'ouvrage.\nLe lit bactérien est en permanence en charge sur environ 20 cm."},{"_id":24,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":"Ruisseau de Clessy","Nom_du_systeme_assainissement":"CHASSY/Bourg","Num_SANDRE":"0471111S0001","Capacite_EH":"200","Commune_raccordee_1":"CHASSY","Habitants_raccordes_1":"88","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"88","Charge_hydraulique_moyenne_recue":"19,6","Pourcent_du_nominal_Q_step":"65,33333333","Charge_polluante_recue_kg_j_DCO":"5,59","EH_DCO":"41,41","Pourcent_du_nominal_step1":"23,29166667","Charge_polluante_recue_kg_j_NK":"0,91","Pourcent_du_nominal_step2":"37,91666667","DBO5":"67,5","DCO":"35,5","MEST":"55,5","NK":"62,3","PT":"24,8","T_de_MS_A6":"23,5","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":25,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":"Ruisseau de Clessy","Nom_du_systeme_assainissement":"CLESSY/Bourg","Num_SANDRE":"0471136S0001","Capacite_EH":"200","Commune_raccordee_1":"CLESSY","Habitants_raccordes_1":"140","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"140","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"La nouvelle branche de réseau est opérationnelle depuis la fin de l'année avec à terme 19 branchements supplémentaires. Nous conseillons vivement la collectivité de vérifier chaque nouveau branchement sur le réseau afin de s'assurer que les eaux pluviales ne soit pas connectée au réseau.","Observation_station":null},{"_id":26,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Fossé","Nom_du_systeme_assainissement":"CORDESSE/Bourg Est","Num_SANDRE":"0471144S0002","Capacite_EH":"60","Commune_raccordee_1":"CORDESSE","Habitants_raccordes_1":"50","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"50","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau qualifié de séparatif présente d'important dysfonctionnement avec l'arrivée d'eau pluviale en cas de pluie.\nUne vérification des branchements s'avère nécessaire ainsi que le cheminement des eaux pluvial su niveau des surface imperméalisé (place, voirie...).","Observation_station":null},{"_id":27,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Ruisseau","Nom_du_systeme_assainissement":"CORDESSE/Bourg Ouest","Num_SANDRE":"0471144S0001","Capacite_EH":"110","Commune_raccordee_1":"CORDESSE","Habitants_raccordes_1":"110","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"110","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":28,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"Ruisseau de Ravelon","Nom_du_systeme_assainissement":"CURGY/Bourg","Num_SANDRE":"0471162S0002","Capacite_EH":"280","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"331","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"331","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau est sensible aux intrusions d'eaux claires parasites ainsi qu'aux périodes pluvieuses. Cette année la commune a procédé à la déconnection d'un fossé situé derrière la boulangerie qui participait à un apport en eaux claires parasites au réseau d'assainissement.","Observation_station":"Le premier étage est sensible aux lentilles d'eau. Cette couverture végétale affecte les performances épuratoires de l'ouvrage. Par ailleurs, l'important débit d'alimentation limite les temps de séjour au sein des bassins et occasionne une altération du traitement."},{"_id":29,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Chapelle","Nom_du_systeme_assainissement":"CURGY/Drousson","Num_SANDRE":"0471162S0003","Capacite_EH":"40","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"59","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"59","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":30,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"CURGY/Nanteuil et Champlong","Num_SANDRE":"0471162S0005","Capacite_EH":"160","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"102","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"102","Charge_hydraulique_moyenne_recue":"12,7","Pourcent_du_nominal_Q_step":"52,91666667","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"Le développement des roseaux est limité sur les bordures des casiers du premier étage. En effet, l'absence de couche de boues en début de fonctionnement contribue à une infiltration rapide de l'effluent au pied du point d'alimentation. En revanche, le dernier étage disposant d'une granulométrie plus fine au niveau de la couche supérieure permet une bonne répartition de l'effluent et ainsi un développement homogène des roseaux.\nLes roseaux ont été faucardés mi-novembre."},{"_id":31,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Chapelle","Nom_du_systeme_assainissement":"CURGY/Saint Denis","Num_SANDRE":"0471162S0001","Capacite_EH":"240","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"236","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"236","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau dessert 105 habitations soit environ 235 Equivalents Habitants. Le réseau en partie unitaire est sensible aux évènements pluvieux.","Observation_station":"La quantité significiative de boues dans les bassins révélée lors de la dernière bathymétrie se traduit par une activité algale soutenue sur les deux étages.\nAussi, la commune envisage un curage à court terme.\nA l'occasion de tels travaux, il sera nécessaire de prévoir le reprofilage des talus ainsi que le remplacement des tés de reprise siphoïdique."},{"_id":32,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"CURGY/Saint Denis 2","Num_SANDRE":"0471162S0004","Capacite_EH":"20","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"35","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"35","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":33,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"DIGOIN/Ville","Num_SANDRE":"0471176S0004","Capacite_EH":"12000","Commune_raccordee_1":"DIGOIN","Habitants_raccordes_1":"7100","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"7100","Charge_hydraulique_moyenne_recue":"1187","Pourcent_du_nominal_Q_step":"65,94444444","Charge_polluante_recue_kg_j_DCO":"390","EH_DCO":"2888,89","Pourcent_du_nominal_step1":"27,08333333","Charge_polluante_recue_kg_j_NK":"63,8","Pourcent_du_nominal_step2":"44,30555556","DBO5":"97","DCO":"87,9","MEST":"93,9","NK":"91,8","PT":"93,9","T_de_MS_A6":"89,7","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":34,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"DRACY SAINT LOUP/Bourg","Num_SANDRE":"0471184S0001","Capacite_EH":"500","Commune_raccordee_1":"DRACY SAINT LOUP","Habitants_raccordes_1":"330","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"330","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":"3,12","Apport_autre_station_epuration":"100","Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Selon les données de la commune en 2009, le réseau dessert 120 logements soit environ 330 Equivalents Habitants.","Observation_station":"Selon les temps de marche de la pompe de relevage, la station collecte en moyenne 72 m3/j soit 96% de la capacité nominale de la station. Ce débit relativement important par rapport au nombre de raccordés s'explique par la collecte des eaux pluviales compte tenu de la partie unitaire des réseaux. \nLa production de boues atteint 3120 kg MS/an soit la pollution émise par environ 200 EH."},{"_id":35,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/Bourg","Num_SANDRE":"0471190S0001","Capacite_EH":"2000","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"917","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"917","Charge_hydraulique_moyenne_recue":"235","Pourcent_du_nominal_Q_step":"78,33333333","Charge_polluante_recue_kg_j_DCO":"88,1","EH_DCO":"652,59","Pourcent_du_nominal_step1":"36,70833333","Charge_polluante_recue_kg_j_NK":"7,39","Pourcent_du_nominal_step2":"30,79166667","DBO5":"87,4","DCO":"78,5","MEST":"73","NK":"49,4","PT":"33,3","T_de_MS_A6":"20,5","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":"53,2","Destination_inconnue":null,"Observation_reseau":"Le réseau en partie unitaire est sensible aux épisodes pluvieux. Il convient de formaliser le suivi des déversoirs d'orage dans un carnet d'exploitation.","Observation_station":"Les résultats obtenus pour les deux bilans 24H réalisés par la socitété Véolia mettent en évidence des conditions de charges hydrauliques totalement différentes. En effet, le débit obtenu au cours du bilan du mois de mars est de 187 m3/j avec un effluent très dilué. En revanche, le débit atteint seulement 94 m3/j pour le bilan du mois d'octobre avec un effluent assez concentré. Malgré ces variations de charges hydrauliques, on constate que le flux de pollution est relativement stable et représente en moyenne une pollution émise par 650 Equivalents Habitants soit 33% de la capacité nominale de la station d'épuration. Cette valeur n'est pas représentative du nombre de raccordés (917 EH) à la station et témoigne d'éventuelles pertes directes de pollution au niveau du réseau d'assainissement.\n\nPar ailleurs, selon les enregistrements du débit de sortie, la charge hydraulique atteint en moyenne annuelle  235 m3/j soit le débit émis par 1570 EH. Cela correspond à près de 80% de la capacité nominale de la station.\n\nD'autre part, on constate une véritable incohérence entre la quantité de boues produites issues du clarificateur (20,49 T Matières Sèches soit 1365 EH) et la quantité de boues évacuées (2,88 T Matières Sèches soit 192 EH). Ainsi la quantité de boues évacuées représente seulement 14% des boues produites.\nNous évoquerons les points suivants comme éventuelles explications:\n- Mauvais phasage de l'agriculteur pour l'épandage, météorologie non propice à l'épandage conduisant à un stockage dans le silo à boues.\n- Surestimation de la quantité de boues produites notamment par les siccités. Elle atteint en moyenne 3.8% pour l'ensemble des extractions. Il est peu probable d'obtenir un tel taux de boues même après concentration de celles-ci dans le clarificateur. Afin d'obtenir une meillleure représentativité de la réalité, il convient d'améliorer le mode d'échantillonnage. Aussi, nous recommandons de procéder à des prélèvements de boues successifs entre le début et la fin de l'extraction des boues afin d'obtenir une siccité moyenne plus représentative.\n\nLes conditions d'oxygénation ne sont pas optimales et affectent les performances épuratoires notamment pour la pollution azotée. Le taux de recirculation des boues doit être maintenu entre 100 et 150% du débit d'entrée."},{"_id":36,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/Dinay","Num_SANDRE":"0471190S0002","Capacite_EH":"140","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"97","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"97","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":37,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/Grandvaux","Num_SANDRE":"0471190S0007","Capacite_EH":"150","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"48","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"48","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau d'assainissement dessert 48 Equivalents Habitants.","Observation_station":"Le lit bactérien accuse un dysfonctionnement occasionnant un départ de boues en direction du milieu naturel. Pourtant, la commune assure un entretien satisfaisant du décanteur digesteur limitant tout incidence sur les ouvrages en aval. le temps de séjour au sein de l'ouvrage de chasse est probablement important et peut conduire à une altération de la qualité de l'effluent.\nOn constate une mauvaise répartition de l'effluent sur la surface du lit."},{"_id":38,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/La Drée","Num_SANDRE":"0471190S0005","Capacite_EH":"80","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"84","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"84","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"Les bassins présentent une faible activité biologique."},{"_id":39,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/La Forge","Num_SANDRE":"0471190S0006","Capacite_EH":"80","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"70","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"70","Charge_hydraulique_moyenne_recue":"8","Pourcent_du_nominal_Q_step":"66,66666667","Charge_polluante_recue_kg_j_DCO":"4,36","EH_DCO":"32,3","Pourcent_du_nominal_step1":"45,41666667","Charge_polluante_recue_kg_j_NK":"0,47","Pourcent_du_nominal_step2":"48,95833333","DBO5":"96,3","DCO":"77,1","MEST":"91,1","NK":"62,7","PT":"18,2","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau d'assainissement de type séparatif est très sensible aux épisodes pluvieux. Cela témoigne des mauvais branchements chez les particuliers. Un contrôle de la conformité des raccordements pourra être envisagé.","Observation_station":"Le taux d'envasement probablement significatif de l'ouvrage ainsi que l'importante charge polluante reçue se traduisent par une activité biologique soutenue sur les deux étages. Les dégâts occasionnés sur les berges par les ragondins n'ont toujours pas été repris et risquent à terme la perte d'étanchéité des ouvrages.\nSelon le bilan 24H réalisé au mois d'avirl par la société Véolia, les eaux usées reçues sont moyennement chargées et représentatives d'un effluent domestique. Ainsi, la charge polluante reçue atteint 2.6 kg DBO5/j soit 54% de la capacité nominale de la station. Cela représente la pollution émise par 43 Equivalents Habitants. \nEn revanche, la charge hydraulique reçue le jour du bilan s'élève à 8 m3/j soit 67% de la capacité nominale de la station. On obtient une assez bonne cohérence entre la charge polluante et la charge hydraulique reçues."},{"_id":40,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/La Garenne","Num_SANDRE":"0471190S0003","Capacite_EH":"1200","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"1133","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"1133","Charge_hydraulique_moyenne_recue":"51,5","Pourcent_du_nominal_Q_step":"28,61111111","Charge_polluante_recue_kg_j_DCO":"8,86","EH_DCO":"65,63","Pourcent_du_nominal_step1":"6,152777778","Charge_polluante_recue_kg_j_NK":"1,78","Pourcent_du_nominal_step2":"12,36111111","DBO5":"46,8","DCO":"41,6","MEST":"43","NK":"54,3","PT":"36,6","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le déversoir d'orage rue du \"19 mars 1962\" doit être repris pour éviter tout départ de pollution en direction du milieu naturel. Il convient de formaliser le suivi des déversoirs d'orage dans un carnet d'exploitation conformément au modèle joint précédemment.\nLa commune envisage à moyen terme l'extension du réseau d'assainissement de la \"Rue du Morvan\" pour le raccordement de 13 habitations supplémentaires.","Observation_station":"Les bassins de lagunage présentent une activité biologique correcte. Il serait nécessaire que la commune dispose des clés de l'armoire électrique lors de notre passage notamment pour vérifier si la recirculation des traitées en direction du second bassin est toujours effective.\nSelon les deux bilans 24H réalisés par la société Véolia, les eaux usées reçues sont très diluées. Ainsi, la charge polluante moyenne est de 8.9 kg DCO/j soit la pollution émise par 65 Equivalents Habitants. Cela représente 5% de la capacité nominale de la station. Cette valeur n'est pas représentative du nombre de raccordés et témoigne d'éventuelles pertes directes de pollution sur le réseau. \nLa charge hydraulique moyenne issue des mesures sur 24H atteint 51.5 m3/j soit seulement 23% du nominal de la station."},{"_id":41,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"EPINAC/Ressille","Num_SANDRE":"0471190S0004","Capacite_EH":"230","Commune_raccordee_1":"EPINAC","Habitants_raccordes_1":"154","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"154","Charge_hydraulique_moyenne_recue":"20","Pourcent_du_nominal_Q_step":"57,97101449","Charge_polluante_recue_kg_j_DCO":"6,48","EH_DCO":"48","Pourcent_du_nominal_step1":"23,47826087","Charge_polluante_recue_kg_j_NK":"1,17","Pourcent_du_nominal_step2":"42,39130435","DBO5":"88,8","DCO":"60,2","MEST":"70,1","NK":"68,5","PT":"51,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau d'assainissement collecte des eaux usées non strictement domestiques issues d'une activité qui génère une charge polluante non appropriée pour un traitement par lagunage naturel. Cet apport non autorisé en pollution devra être identifié puis un courrier de mise en demeure sera à transmettre à l'établissement concerné. Un contrôle du branchement de la ferme située au-dessus est à prévoir.","Observation_station":"Malgré le curage réalisé au mois de juillet dernier sur le premier étage, le lagunage présente une activité biologique très soutenue probablement liée au rejet d'origine non domestique.\nPar ailleurs, il aurait été judicieux de profiter des travaux de curage pour remettre en état les talus notamment au niveau des têtes d'aqueducs (berges en retrait).\nLe bilan 24H réalisé au mois de novembre par la société Véolia met en évidence des eaux usées reçues très diluées mais représentatives d'un effluent domestique. La charge polluante reçue s'élève à 6.5 kg DCO/j soit la pollution émise par 50 Equivalents Habitants. Cela correspond à 20% du nominal de la station. Cette valeur n'est pas représentative du nombre de raccordés et implique soit une perte de pollution au niveau du réseau soit une mauvaise représentativité de l'échantillonnage.\nLa charge hydraulique reçue atteint 20 m3/j soit le débit émis par 130 EH. Cela correspond à 60% de la capacité nominale de la station."},{"_id":42,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"ETANG SUR ARROUX/Ville","Num_SANDRE":"0471192S0002","Capacite_EH":"3000","Commune_raccordee_1":"ETANG SUR ARROUX","Habitants_raccordes_1":"1546","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"1546","Charge_hydraulique_moyenne_recue":"751","Pourcent_du_nominal_Q_step":"166,8888889","Charge_polluante_recue_kg_j_DCO":"113","EH_DCO":"837,04","Pourcent_du_nominal_step1":"31,38888889","Charge_polluante_recue_kg_j_NK":"21","Pourcent_du_nominal_step2":"58,33333333","DBO5":"94,1","DCO":"79,9","MEST":"93,8","NK":"95,4","PT":"52,3","T_de_MS_A6":"21,6","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":"100","Destination_inconnue":null,"Observation_reseau":"Le réseau de type unitaire est sensible à chaque évènement pluvieux. La charge hydraulique journalière peut variée de 2100 EQH pour les débits minimum  à plus de 10000 EQH /jour (décembre). Le débit de référence a été dépassé sur 24 journées.","Observation_station":null},{"_id":43,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"GUEUGNON/Ville","Num_SANDRE":"0471230S0003","Capacite_EH":"12000","Commune_raccordee_1":"GUEUGNON","Habitants_raccordes_1":"7100","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"7100","Charge_hydraulique_moyenne_recue":"1560","Pourcent_du_nominal_Q_step":"86,66666667","Charge_polluante_recue_kg_j_DCO":"724","EH_DCO":"5362,96","Pourcent_du_nominal_step1":"50,27777778","Charge_polluante_recue_kg_j_NK":"70,7","Pourcent_du_nominal_step2":"49,09722222","DBO5":"95,3","DCO":"91,6","MEST":"94,6","NK":"87,5","PT":"87,3","T_de_MS_A6":"75,5","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":44,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"IGORNAY/Bourg","Num_SANDRE":"0471237S0001","Capacite_EH":"560","Commune_raccordee_1":"IGORNAY","Habitants_raccordes_1":"300","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"300","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Les relevés des index du poste font apparaitre de forte écart de charge hydraulique estimée. Ainsi celle ci varie de 23 à plu de 160 m3/jours selon la pluviosité des mois. Globalement, lié à une année pluvieuse, la charge hydraulique transitée par ce poste a augmenté de 30 % par rapport à 2011.\nIl est souhaitable de dénombrer le nombre de branchement en amont du poste afin de la comparer à la charge hydraulique transitée.","Observation_station":null},{"_id":45,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA CANCHE DEPUIS ROUSSILLON-EN-MORVAN JUSQU'A SA CONFLUENCE AVEC LA CELLE","Code_Masse_eau":"FRGR197","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"IGORNAY/La Varenne","Num_SANDRE":"0471233S0003","Capacite_EH":"100","Commune_raccordee_1":"IGORNAY","Habitants_raccordes_1":"55","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"55","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":46,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"LA BOULAYE/Bourg","Num_SANDRE":"0471046S0001","Capacite_EH":"150","Commune_raccordee_1":"LA BOULAYE","Habitants_raccordes_1":"60","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"60","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":47,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"LA BOULAYE/Centre Bouddhiste","Num_SANDRE":"0471046S0002","Capacite_EH":"600","Commune_raccordee_1":"LA BOULAYE","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":48,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ETANG REUIL ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR1921","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"LA CHAPELLE AU MANS/Bourg","Num_SANDRE":"0471088S0001","Capacite_EH":"250","Commune_raccordee_1":"LA CHAPELLE AU MANS","Habitants_raccordes_1":"119","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"119","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le déversoir d'orage n'a toujours pas été remis en état. Cette situation est difficilement admissible. la collectivité se doit de réagir et de mandater une entreprise pour remédier à ce problème récurent (explications et marche à suivre dans nos précédents rapports). En effet ce système n'est pas adapté à recevoir une importante charge hydraulique par temps de pluie. On assistera à une dégradation prématurée des massifs filtrants.","Observation_station":null},{"_id":49,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"LA MOTTE SAINT JEAN/Bourg","Num_SANDRE":"0471325S0001","Capacite_EH":"1100","Commune_raccordee_1":"LA MOTTE SAINT JEAN","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":50,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"LAIZY/Bourg","Num_SANDRE":"0471251S0001","Capacite_EH":"400","Commune_raccordee_1":"LAIZY","Habitants_raccordes_1":null,"Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"0","Charge_hydraulique_moyenne_recue":"729","Pourcent_du_nominal_Q_step":"1215","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau d'assainissement collecte une importante quantité comme en témoigne le débit estimé à partir du temps de fonctionnement des pompes de relevage.\nLe déversoir d'orage ainsi que la pompe d'orage situés sur la rue du Petit Mérot doivent faire l'objet d'une visite régulière avec le relevé de l'horocompteur de la pompe de relevage. Ce suivi permettrait d'avoir une estimation du volume déversé au milieu naturel.\nEnviron 400 mètres linéaires de canalisation ont été curés cette année avenue de la gare.","Observation_station":"La charge hydraulique reçue atteint en moyenne 729 m3/j soit environ 12 fois la capacité nominale de la station. \nMalgré une fine couche de lentilles, le lagunage conserve des performances épuratoires satisfaisantes comme en témoignent les analyses du mois de juillet."},{"_id":51,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":"Ruisseau du Gorat","Nom_du_systeme_assainissement":"MARLY SUR ARROUX/Bourg","Num_SANDRE":"0471281S0001","Capacite_EH":"75","Commune_raccordee_1":"MARLY SUR 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réseau de type unitaire est extrèmement sensible aux moindres épisodes pluvieux.","Observation_station":null},{"_id":53,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Rançon","Nom_du_systeme_assainissement":"MARMAGNE/La Croix Blanchot","Num_SANDRE":"0471282S0002","Capacite_EH":"150","Commune_raccordee_1":"MARMAGNE","Habitants_raccordes_1":"117","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"117","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":54,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Mesvrin","Nom_du_systeme_assainissement":"MARMAGNE/Vau 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cas d'évènement pluvieux le réseau de type séparatif draine une charge hydraulique relativement importante.","Observation_station":null},{"_id":55,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Mesvrin","Nom_du_systeme_assainissement":"MESVRES/Bourg","Num_SANDRE":"0471297S0001","Capacite_EH":"480","Commune_raccordee_1":"MESVRES","Habitants_raccordes_1":"555","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"555","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":56,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Ruisseau de l'Etang de Noël","Nom_du_systeme_assainissement":"RECLESNE/Bourg","Num_SANDRE":"0471368S0001","Capacite_EH":"200","Commune_raccordee_1":"RECLESNE","Habitants_raccordes_1":"160","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"160","Charge_hydraulique_moyenne_recue":"1864","Pourcent_du_nominal_Q_step":"6213,333333","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Mi octobre, le nouveau poste de refoulement a été mis en service en remplacement de l'ancien. L'emplacement et le type d'ouverture du poste incitera à une exploitation plus régulière. Afin de complèter notre descriptif, les données techniques de ce poste, les données techniques sont à nous faire parvenir.\nEtant donné les conditions de fonctionnement du poste notamment lors des épisode pluvieux (poires bloquées...), l'exploitation des index n'est pas opportune.","Observation_station":null},{"_id":57,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS GUEUGNON JUSQU'A SA CONFLUENCE AVEC LA LOIRE","Code_Masse_eau":"FRGR184b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"RIGNY SUR ARROUX/ Bourg","Num_SANDRE":"0471370S0001","Capacite_EH":"400","Commune_raccordee_1":"RIGNY SUR ARROUX","Habitants_raccordes_1":"292","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"292","Charge_hydraulique_moyenne_recue":"53,8","Pourcent_du_nominal_Q_step":"89,66666667","Charge_polluante_recue_kg_j_DCO":"15,2","EH_DCO":"112,59","Pourcent_du_nominal_step1":"31,66666667","Charge_polluante_recue_kg_j_NK":"1,99","Pourcent_du_nominal_step2":"41,45833333","DBO5":"96,4","DCO":"81,3","MEST":"80,6","NK":"87,9","PT":"25,6","T_de_MS_A6":"0,4","Apport_autre_station_epuration":"100","Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"De nature séparatif, le réseau draine tout de même des eaux pluviales ainsi que des eaux claires parasite comme l'a confirmé la mesure de débit effectué par temps sec.","Observation_station":null},{"_id":58,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA RETENUE DU PONT DU ROI","Code_Masse_eau":"FRGR2030","Milieu_recepteur_proche":"Barrage du Pont du Roy","Nom_du_systeme_assainissement":"SAINT EMILAND/Bourg Est","Num_SANDRE":"0471409S0002","Capacite_EH":"80","Commune_raccordee_1":"SAINT EMILAND","Habitants_raccordes_1":"64","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"64","Charge_hydraulique_moyenne_recue":"4,4","Pourcent_du_nominal_Q_step":"36,66666667","Charge_polluante_recue_kg_j_DCO":"2,74","EH_DCO":"20,3","Pourcent_du_nominal_step1":"28,54166667","Charge_polluante_recue_kg_j_NK":"0,31","Pourcent_du_nominal_step2":"32,29166667","DBO5":"95,8","DCO":"83,6","MEST":"95,7","NK":"81,5","PT":"58,2","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Environ 500 m de canalisation ont été hydrocuré cette année","Observation_station":"Très faible débit d'entrée lors de la mesure 24h de début avril, avec un rejet satisfaisant de ce mono bassin."},{"_id":59,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA RETENUE DU PONT DU ROI","Code_Masse_eau":"FRGR2030","Milieu_recepteur_proche":"Barrage du Pont du Roy","Nom_du_systeme_assainissement":"SAINT EMILAND/Ouest","Num_SANDRE":"0471409S0001","Capacite_EH":"120","Commune_raccordee_1":"SAINT EMILAND","Habitants_raccordes_1":"177","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"177","Charge_hydraulique_moyenne_recue":"57","Pourcent_du_nominal_Q_step":"316,6666667","Charge_polluante_recue_kg_j_DCO":"47,7","EH_DCO":"353,33","Pourcent_du_nominal_step1":"331,25","Charge_polluante_recue_kg_j_NK":"3,28","Pourcent_du_nominal_step2":"227,7777778","DBO5":"92,2","DCO":"83,3","MEST":"90","NK":"51","PT":"50,6","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Environ 250 m de canalisation ont été hydrocuré.\nTous nouveaux raccordements sur ce réseau est à proscrire.","Observation_station":"Malgré un débit d'entrée très important lors du bilan de mi avril, la concentration des effluents était non diluée. Le rejet était normal.\nSur un prélèvement effectué mi-mai, absence de pollution entrante et mauvais rendements."},{"_id":60,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"La Vévre","Nom_du_systeme_assainissement":"SAINT FIRMIN/Bourg","Num_SANDRE":"0471413S0001","Capacite_EH":"290","Commune_raccordee_1":"SAINT FIRMIN","Habitants_raccordes_1":"131","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"131","Charge_hydraulique_moyenne_recue":"29,3","Pourcent_du_nominal_Q_step":"67,35632184","Charge_polluante_recue_kg_j_DCO":"17,6","EH_DCO":"130,37","Pourcent_du_nominal_step1":"50,57471264","Charge_polluante_recue_kg_j_NK":"1,6","Pourcent_du_nominal_step2":"45,97701149","DBO5":"94,1","DCO":"87,8","MEST":"98,3","NK":"66,3","PT":"60,8","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"Lors de la mesure bilan 24h réalisée mi avril, le rendement de ce lagunage naturel était conforme.\nDepuis sa création, en 1990, pas de chemin d'accès."},{"_id":61,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":"Ruisseau de l'Etang de Noël","Nom_du_systeme_assainissement":"SAINT FORGEOT/Bourg","Num_SANDRE":"0471414S0002","Capacite_EH":"80","Commune_raccordee_1":"SAINT FORGEOT","Habitants_raccordes_1":"120","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"120","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":62,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"SAINT FORGEOT/Les Télots 1","Num_SANDRE":"0471414S0001","Capacite_EH":"250","Commune_raccordee_1":"SAINT FORGEOT","Habitants_raccordes_1":"210","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"210","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":63,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A LA CONFLUENCE AVEC LE TERNIN","Code_Masse_eau":"FRGR183","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"SAINT FORGEOT/Les Télots 2","Num_SANDRE":"0471414S0003","Capacite_EH":"100","Commune_raccordee_1":"SAINT FORGEOT","Habitants_raccordes_1":"65","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"65","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":64,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"Ruisseau de Vernusse","Nom_du_systeme_assainissement":"SAINT GERVAIS SUR COUCHES/Bourg","Num_SANDRE":"0471424S0001","Capacite_EH":"200","Commune_raccordee_1":"SAINT GERVAIS SUR COUCHES","Habitants_raccordes_1":"124","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"124","Charge_hydraulique_moyenne_recue":"126","Pourcent_du_nominal_Q_step":"420","Charge_polluante_recue_kg_j_DCO":"13,2","EH_DCO":"97,78","Pourcent_du_nominal_step1":"55","Charge_polluante_recue_kg_j_NK":"0,82","Pourcent_du_nominal_step2":"34,16666667","DBO5":"0","DCO":"29,5","MEST":"20,9","NK":"0","PT":"0","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Des investigations sont nécessaires pour localiser et stopper les apports d'eaux claires principalement en période pluvieuse (déconnection des eaux pluviales).\n300 m de canalisation ont été hydrocuré en 2012.","Observation_station":"Un bilan 24h a été réalisé mi novembre mais reporté à mi décembre suite à une panne de matériel.\nLes résultats de cette mesure ne respectait pas la norme de rejet. La charge hydraulique reçue était très importante."},{"_id":65,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"SAINT LEGER DU BOIS/Bourg","Num_SANDRE":"0471438S0001","Capacite_EH":"210","Commune_raccordee_1":"SAINT LEGER DU BOIS","Habitants_raccordes_1":"200","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"200","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le poste de relevage réseau collecte en moyenne annuelle 16 m3/j soit 50% de la capacité nominale de la station. Les temps de fonctionnement des pompes de relevage sont identiques traduisant leur bonne alternance. Le débit transité est relativement régulier au cours de l'année.","Observation_station":"L'activité algale varie au cours de l'année en fonction des conditions climatiques. Ainsi, un développement algal prononcé peut succéder à une activité algale nulle et inversement."},{"_id":66,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"La Dheune du ruisseau de la Creuse au Ruisseau de Meursault","Code_Masse_eau":"FRDR610","Milieu_recepteur_proche":"Le Musseau","Nom_du_systeme_assainissement":"SAINT PIERRE DE VARENNES/Anxin le bas","Num_SANDRE":"0471468S0005","Capacite_EH":"60","Commune_raccordee_1":"SAINT PIERRE DE VARENNES","Habitants_raccordes_1":"62","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"62","Charge_hydraulique_moyenne_recue":"21,8","Pourcent_du_nominal_Q_step":"242,2222222","Charge_polluante_recue_kg_j_DCO":"28,4","EH_DCO":"210,37","Pourcent_du_nominal_step1":"394,4444444","Charge_polluante_recue_kg_j_NK":"2,31","Pourcent_du_nominal_step2":"320,8333333","DBO5":"95,9","DCO":"93,1","MEST":"96,3","NK":"67,7","PT":"42,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau est de type séparatif court.","Observation_station":"Le bilan réalisé fin août par temps sec a mesuré une surcharge hydraulique entrante de plus de 200%. Ce chiffre n'a pas appelé de remarque de la part de l'exploitant pour expliquer cette valeur (condition d'installation du matériel, ressuyage des terrains, vidange de piscine, fuite sur le réseau d'eau potable...)."},{"_id":67,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Ruisseau de  Prod'Hum","Nom_du_systeme_assainissement":"SAINT PIERRE DE VARENNES/Bourg","Num_SANDRE":"0471468S0009","Capacite_EH":"320","Commune_raccordee_1":"SAINT PIERRE DE VARENNES","Habitants_raccordes_1":"253","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"253","Charge_hydraulique_moyenne_recue":"212","Pourcent_du_nominal_Q_step":"441,6666667","Charge_polluante_recue_kg_j_DCO":"17","EH_DCO":"125,93","Pourcent_du_nominal_step1":"44,27083333","Charge_polluante_recue_kg_j_NK":"4,66","Pourcent_du_nominal_step2":"121,3541667","DBO5":"0","DCO":"11,3","MEST":"0","NK":"41,4","PT":"51,4","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Cette année, environ 700 m de canalisation ont été hydrocuré par une entreprise spécialisée.","Observation_station":"Ces 2 bassins de lagunage ont bénéficié cet été d'un curage des boues. Il est dommage de ne pas avoir corréler des travaux d'aménagement du lagunage simultanément au opérations de curage pour optimiser l'expploitation (raccourcir les tuyaux...)."},{"_id":68,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Ruisseau de Brandon","Nom_du_systeme_assainissement":"SAINT PIERRE DE VARENNES/Les Berneaux","Num_SANDRE":"0471468S0006","Capacite_EH":"50","Commune_raccordee_1":"SAINT PIERRE DE VARENNES","Habitants_raccordes_1":"46","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"46","Charge_hydraulique_moyenne_recue":"7,99","Pourcent_du_nominal_Q_step":"106,5333333","Charge_polluante_recue_kg_j_DCO":"13,3","EH_DCO":"98,52","Pourcent_du_nominal_step1":"221,6666667","Charge_polluante_recue_kg_j_NK":"0,61","Pourcent_du_nominal_step2":"101,6666667","DBO5":"95,6","DCO":"94,2","MEST":"98,4","NK":"39,1","PT":"43,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau est de type séparatif court.","Observation_station":"Avec un suivi régulier, le fonctionnement du système de chasse semble plus efficace."},{"_id":69,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Ruisseau de  Prod'Hum","Nom_du_systeme_assainissement":"SAINT PIERRE DE VARENNES/Les Couchets","Num_SANDRE":"0471468S0002","Capacite_EH":"130","Commune_raccordee_1":"SAINT PIERRE DE VARENNES","Habitants_raccordes_1":"131","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"131","Charge_hydraulique_moyenne_recue":"11,9","Pourcent_du_nominal_Q_step":"61,02564103","Charge_polluante_recue_kg_j_DCO":"14,9","EH_DCO":"110,37","Pourcent_du_nominal_step1":"95,51282051","Charge_polluante_recue_kg_j_NK":"1,09","Pourcent_du_nominal_step2":"69,87179487","DBO5":"77,8","DCO":"71","MEST":"87,5","NK":"58,7","PT":"45,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"En décembre, où la pluvio était importante, le débit qui a transité dans le poste réseau était anormalement élevé. La Lyonnaise des eaux n'a pas précisée de raison particulière.","Observation_station":"Lors du bilan, les effluents entrants étaient concentrés avec une qualité des eaux de sortie médiocres, mais un respect de la norme."},{"_id":70,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"La Vévre","Nom_du_systeme_assainissement":"SAINT PIERRE DE VARENNES/Luchet","Num_SANDRE":"0471468S0007","Capacite_EH":"40","Commune_raccordee_1":"SAINT PIERRE DE VARENNES","Habitants_raccordes_1":"50","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"50","Charge_hydraulique_moyenne_recue":"1,85","Pourcent_du_nominal_Q_step":"30,83333333","Charge_polluante_recue_kg_j_DCO":"21,6","EH_DCO":"160","Pourcent_du_nominal_step1":"450","Charge_polluante_recue_kg_j_NK":"0,22","Pourcent_du_nominal_step2":"45,83333333","DBO5":"96,8","DCO":"96,3","MEST":"97,9","NK":"30,9","PT":"80,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"Cet ouvrage d'épuration fonctionne à sa capacité nominale.\nLe flexible de la chasse qui est fuyard sera remplacé."},{"_id":71,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Mesvrin","Nom_du_systeme_assainissement":"SAINT SERNIN DU BOIS/Chevroches","Num_SANDRE":"0471479S0001","Capacite_EH":"2750","Commune_raccordee_1":"SAINT SERNIN DU BOIS","Habitants_raccordes_1":"1720","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"1720","Charge_hydraulique_moyenne_recue":"796","Pourcent_du_nominal_Q_step":"192,969697","Charge_polluante_recue_kg_j_DCO":"214","EH_DCO":"1585,19","Pourcent_du_nominal_step1":"64,84848485","Charge_polluante_recue_kg_j_NK":"30,6","Pourcent_du_nominal_step2":"92,72727273","DBO5":"96,9","DCO":"91,1","MEST":"96,4","NK":"91,1","PT":"36,7","T_de_MS_A6":"32,1","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":"100","Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":72,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Mesvrin","Nom_du_systeme_assainissement":"SAINT SYMPHORIEN DE MARMAGNE/Bourg","Num_SANDRE":"0471482S0001","Capacite_EH":"480","Commune_raccordee_1":"SAINT SYMPHORIEN DE MARMAGNE","Habitants_raccordes_1":"515","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"515","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"La charge hydraulique admise par le réseau est en corrélation avec la pluviométrie.","Observation_station":null},{"_id":73,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LE MESVRIN ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR202","Milieu_recepteur_proche":"Le Mesvrin","Nom_du_systeme_assainissement":"SAINT SYMPHORIEN DE MARMAGNE/Entrevaux","Num_SANDRE":"0471482S0002","Capacite_EH":"100","Commune_raccordee_1":"SAINT SYMPHORIEN DE MARMAGNE","Habitants_raccordes_1":"65","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"65","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau de type \"séparatif\" est sensible aux moindres épisodes pluvieux.","Observation_station":null},{"_id":74,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Miette","Nom_du_systeme_assainissement":"SAISY/Bourg","Num_SANDRE":"0471493S0004","Capacite_EH":"100","Commune_raccordee_1":"SAISY","Habitants_raccordes_1":"97","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"97","Charge_hydraulique_moyenne_recue":"3,1","Pourcent_du_nominal_Q_step":"20,66666667","Charge_polluante_recue_kg_j_DCO":"2,96","EH_DCO":"21,93","Pourcent_du_nominal_step1":"24,66666667","Charge_polluante_recue_kg_j_NK":"0,19","Pourcent_du_nominal_step2":"15,83333333","DBO5":"96,4","DCO":"88,3","MEST":"84","NK":"70,4","PT":"80,9","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Tous nouveaux raccordements au réseau sont à proscrire","Observation_station":"Lors du bilan réalisé fin juillet, le débit d'entrée était faible, avec une qualité des eaux de sortie moyenne mais respectant la réglementation en vigueur."},{"_id":75,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Farge","Nom_du_systeme_assainissement":"SAISY/Changey","Num_SANDRE":"0471493S0002","Capacite_EH":"100","Commune_raccordee_1":"SAISY","Habitants_raccordes_1":"90","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"90","Charge_hydraulique_moyenne_recue":"7,2","Pourcent_du_nominal_Q_step":"48","Charge_polluante_recue_kg_j_DCO":"3,34","EH_DCO":"24,74","Pourcent_du_nominal_step1":"27,83333333","Charge_polluante_recue_kg_j_NK":"0,6","Pourcent_du_nominal_step2":"50","DBO5":"87,1","DCO":"75","MEST":"87,8","NK":"50,2","PT":"40,9","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"Lors du bilan réalisé début novembre, le rendement correspondait à la norme en vigueur."},{"_id":76,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"SAISY/La Forêt","Num_SANDRE":"0471493S0001","Capacite_EH":"150","Commune_raccordee_1":"SAISY","Habitants_raccordes_1":"94","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"94","Charge_hydraulique_moyenne_recue":"10,4","Pourcent_du_nominal_Q_step":"46,22222222","Charge_polluante_recue_kg_j_DCO":"10,3","EH_DCO":"76,3","Pourcent_du_nominal_step1":"57,22222222","Charge_polluante_recue_kg_j_NK":"0,73","Pourcent_du_nominal_step2":"40,55555556","DBO5":"74,2","DCO":"61,7","MEST":"81,4","NK":"33,9","PT":"45,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"En raison notamment d'une alimentation en continue du lit bactérien depuis plusieurs année, la qualité des eaux de sortie est vraiment médiocre en permanence."},{"_id":77,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"SAISY/La Vesvre","Num_SANDRE":"0471493S0005","Capacite_EH":"100","Commune_raccordee_1":"SAISY","Habitants_raccordes_1":"69","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"69","Charge_hydraulique_moyenne_recue":"11","Pourcent_du_nominal_Q_step":"73,33333333","Charge_polluante_recue_kg_j_DCO":"24","EH_DCO":"177,78","Pourcent_du_nominal_step1":"200","Charge_polluante_recue_kg_j_NK":"0,91","Pourcent_du_nominal_step2":"75,83333333","DBO5":"99,4","DCO":"99,2","MEST":"99,3","NK":"93,7","PT":"79,5","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":"La concentration des effluents entrants lors du bilan de fin mai était très élevée, mais la qualité du rejet conforme. Ce constat de concentration des effluents est également observé lors d'un prélèvement ponctuel mi-juin. La faible longueur du réseau séparatif peut éventuellement contribuer à cette charge polluante."},{"_id":78,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Miette","Nom_du_systeme_assainissement":"SAISY/Sivry","Num_SANDRE":"0471493S0003","Capacite_EH":"180","Commune_raccordee_1":"SAISY","Habitants_raccordes_1":"78","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"78","Charge_hydraulique_moyenne_recue":"65,1","Pourcent_du_nominal_Q_step":"241,1111111","Charge_polluante_recue_kg_j_DCO":"60,5","EH_DCO":"448,15","Pourcent_du_nominal_step1":"280,0925926","Charge_polluante_recue_kg_j_NK":"3,91","Pourcent_du_nominal_step2":"181,0185185","DBO5":"98,3","DCO":"95,5","MEST":"96,6","NK":"72","PT":"77,3","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Des investigations sur le réseau sont à envisager pour essayer de déterminer d'éventuels apports d'effluents autres que domestiques.","Observation_station":"Lors du bilan de mi mars, la concentration des effluents entrants était importante, malgré une forte charge hydraulique. Cependant, la norme de rejet était respectée. Ce même constat a été observé lors d'un prélèvement ponctuel réalisé mi-juin."},{"_id":79,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"Fossé","Nom_du_systeme_assainissement":"SULLY/Bas de Veuvrotte","Num_SANDRE":"0471530S0005","Capacite_EH":"100","Commune_raccordee_1":"SULLY","Habitants_raccordes_1":"64","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"64","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Selon les données communales, le réseau collecte les eaux usées de 16 habitations sur les 29 desservies. Le poste de relevage réseau doit bénéficier d'une visite hebdomadaire afin de s'assurer du bon fonctionnement des pompes de relevage.\nLe réseau d'assainissement de type séparatif et relativement récent est sensible aux épisodes pluvieux.","Observation_station":"Les électrovannes sont alimentées par le courant électrique suite aux vols à répétition des panneaux solaires. \nL'ensemble des pieds de roseaux ont séché au mois de juillet dernier. Le rejet au réseau d'assainissement d'un produit hautement toxique ou d'un herbicide puissant est à supposer. La présence d'une réhausse en sortie de chaque étage a contribué à la contamination de l'ensemble des casiers. Nous avons recommandé le retrait des deux réhausses.\nHormis le mois de décembre, les relevés réalisés sur le dernier trimestre mettent en évidence une cohérence des débits estimés à partir du poste de relevage ainsi que des ouvrages de chasse. Au cours du mois de décembre le débit estimé à parti du temps de marche des pompes est de 46 m3/j alors que les compteurs d'impulsions des chasse donnent un débit de 22 m3/j. On peut supposer un dysfonctionnement du poste suite à un blocage des poires de niveau. \nAinsi selon les compteurs d'impulsions des ouvrages de chasse, le débit moyen reçu au cours du dernier trimestre atteint environ 14 m3/j soit le débit émis par 90 Equivalents Habitants. Cela correspond à 93% de la capacité nominale de la station."},{"_id":80,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"SULLY/Bourg","Num_SANDRE":"0471530S0001","Capacite_EH":"300","Commune_raccordee_1":"SULLY","Habitants_raccordes_1":"210","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"210","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau de transfert sensible à l'encrassement doit bénéficier d'un curage préventif. Par ailleurs, les épisodes pluvieux participent à d'importantes surcharges hydrauliques ainsi qu'à la dilution de l'effluent.","Observation_station":"En période de couverture de lentilles, les bassins sont sujets à une asphyxie. D'autre part, les surcharges hydrauliques occasionnent un lessivage des bassins."},{"_id":81,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"SULLY/Creusefond","Num_SANDRE":"0471530S0004","Capacite_EH":"260","Commune_raccordee_1":"CURGY","Habitants_raccordes_1":"68","Commune_raccordee_2":"SULLY","Habitants_raccordes_2":"62","Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"130","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Le réseau d'assainissement dessert 34 habitations sur Curgy et 31 sur la commune de Sully soit environ 130 Equivalents Habitants.","Observation_station":"En période de colonisation par les lentilles soit la majorité de l'année, les bassins sont totalement asphyxiés et ne permettent pas un traitement efficace de la pollution domestique. D'autre part, la nature faiblement biodégradable des eaux usées reçues le jour de la visite témoigne d'une origine non strictement domestique des eaux usées. Ces effluents issues d'une activité probablement agricole ne sont pas adaptés pour un traitement biologique tel que le lagunage. Il convient d'identifier cet apport avant de transmettre un courrier de mise en demeure à l'établissement concerné."},{"_id":82,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"Fossé","Nom_du_systeme_assainissement":"SULLY/Haut de Veuvrotte","Num_SANDRE":"0471530S0006","Capacite_EH":"25","Commune_raccordee_1":"SULLY","Habitants_raccordes_1":"22","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"22","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":83,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"SULLY/La Comme","Num_SANDRE":"0471530S0003","Capacite_EH":"60","Commune_raccordee_1":"SULLY","Habitants_raccordes_1":"30","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"30","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":84,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"LA DREE ET SES AFFLUENTS DEPUIS LA SOURCE JUSQU'A SA CONFLUENCE AVEC L'ARROUX","Code_Masse_eau":"FRGR193b","Milieu_recepteur_proche":"La Drée","Nom_du_systeme_assainissement":"SULLY/Morgelle","Num_SANDRE":"0471530S0002","Capacite_EH":"30","Commune_raccordee_1":"SULLY","Habitants_raccordes_1":"54","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"54","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":85,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"TOULON SUR ARROUX/Bourg","Num_SANDRE":"0471542S0001","Capacite_EH":"2500","Commune_raccordee_1":"TOULON SUR ARROUX","Habitants_raccordes_1":"1430","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"1430","Charge_hydraulique_moyenne_recue":"527","Pourcent_du_nominal_Q_step":"140,5333333","Charge_polluante_recue_kg_j_DCO":"69,5","EH_DCO":"514,81","Pourcent_du_nominal_step1":"23,16666667","Charge_polluante_recue_kg_j_NK":"10,5","Pourcent_du_nominal_step2":"35","DBO5":"93,1","DCO":"83,2","MEST":"91,1","NK":"95,8","PT":"24,7","T_de_MS_A6":"8,82","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":"100","Destination_inconnue":null,"Observation_reseau":"Poste de Rosières : la charge hydraulique transité par temps sec est relativement cohérente compte tenu de la disaine de branchements répertoriés en amont. Cependant lors des mois pluvieux, la charge hydraulique augmente significativement : 127 eqh. Elle provoque une ussure pématurée du groupe de pompage.\n\nPoste de refoulement rive droite de l'Arroux : en lieu et place de la traversée de l'Arroux par un siphon fragile et sujet à l'ensablement, il a été installé un poste de refoulement. Il est regrettable et anormale que cet ouvrage présente d'importants défauts de conception (difficulté d'accès, absence de ventillation, ...) engendrant un handicap certain pour son entretien régulier et un vieillissement prématuré des dispositifs. La mise en place de certains dispositifs sont conseillés : filtre avec charbon actif, lélésurveillance... (cf notre rapport de décembre).","Observation_station":null},{"_id":86,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"UXEAU/Bourg","Num_SANDRE":"0471552S0001","Capacite_EH":"400","Commune_raccordee_1":"UXEAU","Habitants_raccordes_1":"141","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"141","Charge_hydraulique_moyenne_recue":null,"Pourcent_du_nominal_Q_step":"0","Charge_polluante_recue_kg_j_DCO":null,"EH_DCO":"0","Pourcent_du_nominal_step1":"0","Charge_polluante_recue_kg_j_NK":null,"Pourcent_du_nominal_step2":"0","DBO5":null,"DCO":null,"MEST":null,"NK":null,"PT":null,"T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"Mis en service en été, le poste de refoulement au niveau du quartier de la boulangerie est - et sera - peu sollicité avec 5 branchements envisagés.","Observation_station":null},{"_id":87,"Contrat_de_riviere":"contrat territorial Arroux","Identification_masse_eau":"L'ARROUX DEPUIS LA CONFLUENCE DU TERNIN JUSQU'A GUEUGNON","Code_Masse_eau":"FRGR184a","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"VENDENESSE SUR ARROUX/Bourg","Num_SANDRE":"0471565S0001","Capacite_EH":"400","Commune_raccordee_1":"VENDENESSE SUR ARROUX","Habitants_raccordes_1":"265","Commune_raccordee_2":null,"Habitants_raccordes_2":null,"Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"265","Charge_hydraulique_moyenne_recue":"25,3","Pourcent_du_nominal_Q_step":"42,16666667","Charge_polluante_recue_kg_j_DCO":"17,8","EH_DCO":"131,85","Pourcent_du_nominal_step1":"37,08333333","Charge_polluante_recue_kg_j_NK":"2,69","Pourcent_du_nominal_step2":"56,04166667","DBO5":"98,9","DCO":"93,7","MEST":"97,3","NK":"92,5","PT":"84,1","T_de_MS_A6":null,"Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":"L'influence de la pluviosité sur la charge hydraulique admise est modérée.","Observation_station":null},{"_id":88,"Contrat_de_riviere":"contrat territorial Bourbince","Identification_masse_eau":"LA BOURBINCE DEPUIS TORCY JUSQU'A GENELARD","Code_Masse_eau":"FRGR199","Milieu_recepteur_proche":null,"Nom_du_systeme_assainissement":"BLANZY/Ville","Num_SANDRE":"0471040S0002","Capacite_EH":"20000","Commune_raccordee_1":"MONTCEAU LES MINES","Habitants_raccordes_1":"6329","Commune_raccordee_2":"BLANZY","Habitants_raccordes_2":"5258","Commune_raccordee_3":null,"Habitants_raccordes_3":null,"Commune_raccordee_4":null,"Habitants_raccordes_4":null,"Commune_raccordee_5":null,"Habitants_raccordes_5":null,"Commune_raccordee_6":null,"Habitants_raccordes_6":null,"Commune_raccordee_7":null,"Habitants_raccordes_7":null,"Commune_raccordee_8":null,"Habitants_raccordes_8":null,"Commune_raccordee_9":null,"Habitants_raccordes_9":null,"Commune_raccordee_10":null,"Habitants_raccordes_10":null,"Total_raccordes_domestiques_EH":"11587","Charge_hydraulique_moyenne_recue":"3008","Pourcent_du_nominal_Q_step":"100,2666667","Charge_polluante_recue_kg_j_DCO":"732","EH_DCO":"5422,22","Pourcent_du_nominal_step1":"30,5","Charge_polluante_recue_kg_j_NK":"85,4","Pourcent_du_nominal_step2":"35,58333333","DBO5":"92,6","DCO":"85,8","MEST":"93,8","NK":"83,4","PT":"48,6","T_de_MS_A6":"104","Apport_autre_station_epuration":null,"Autre_destination_non_reglementaire":null,"Decharge":null,"Epandage_des_boues_avec_plan_et_suivi":null,"Depot":null,"Fabrication_de_matieres_fertilisantes":null,"Systeme_de_collecte":null,"Usine_incineration":null,"Destination_inconnue":null,"Observation_reseau":null,"Observation_station":null},{"_id":89,"Contrat_de_riviere":"contrat 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