La ville de Ris-Orangis (dans l'Essonne (91)) se trouve dans la zone de collecte du SIAAP, c’est-à-dire que les 29225(1) habitants correctement branchés à leur réseau d’assainissement envoient leurs eaux usées à l’usine de traitement de Seine amont

Zone SiaapRis-Orangis

À Ris-Orangis, la collecte et le transport des eaux usées sont assurés par le même gestionnaire :

  • La collecte des eaux usées est assurée par la CA Grand Paris Sud par des réseaux séparatifs
  • Le transport des eaux usées est assuré par la CA Grand Paris Sud, jusqu’aux réseaux du SIAAP.

La correction des branchements au réseau d’assainissement est essentielle pour protéger la nature et être conforme à la réglementation. Contacter votre gestionnaire vous permettra d’obtenir une aide financière pour les travaux de mise en conformité de votre assainissement collectif.

(1)données INSEE 2017

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