Works related to sewerage networks in Seine-et-Marne

Works on sewerage systems, also known as “singular points”, which can alter the flow or quality of the water transported. — thunderstorm weirs, discharge or lifting stations, storm basins... which are equipment altering the flow to the treatment plant and which can generate direct discharges to the natural environment;- points of introduction into the network of non-domestic wastewater (industry, farm, etc.). This type of spill is subject to special discharge authorisation;- discharge points in another community’s system;- points equipped for effluent control.