Collectives Wastewaters treatment plant to ensure the treatment of collected urban waster water

This layer contains the discharge points of the existing discharge structures (stormwater overflow basins, stormwater overflows and pumping stations with overflow)

Sewage water system

This layer includes the agglomerations in wastewater based mainly on the treatment plant sectors of the "dossiers techniques assainissement". The treatment plant sectors include all the surfaces connected to the treatment plants, including external surfaces.

Wastewater syndicate