La ville de Montigny-lès-Cormeilles (dans le Val-d'Oise (95)) se trouve dans la zone de collecte du SIAAP, c’est-à-dire que les 21601(1) habitants correctement branchés à leur réseau d’assainissement envoient leurs eaux usées à l’usine de traitement de Seine Grésillons

Zone SiaapMontigny-lès-Cormeilles

À Montigny-lès-Cormeilles, la collecte et le transport des eaux usées sont assurés par deux gestionnaires différents. Il se peut, selon votre adresse, que vous soyez branchés à l’un ou à l’autre :

  • La collecte des eaux usées est assurée par la CA Val Parisis par des réseaux dominante séparative
  • Le transport des eaux usées est assuré par le SIAAP, 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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