La ville de Vélizy-Villacoublay (dans les Yvelines (78)) se trouve dans la zone de collecte du SIAAP, c’est-à-dire que les 22036(1) habitants correctement branchés à leur réseau d’assainissement envoient leurs eaux usées à l’usine de traitement de Seine aval

Zone SiaapVélizy-Villacoublay

À Vélizy-Villacoublay, 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 Versailles Grand Parc par des réseaux mixtes
  • Le transport des eaux usées est assuré par HYDREAULYS et le SIAVB, 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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