Overview
MONTMAIN wastewater treatment plant serves Saint-Aubin-Épinay in Normandy, France. It provides advanced treatment for a population of 2,612 and has a designed capacity of 4,500 m³/day.
MONTMAIN is a wastewater treatment plant located in Saint-Aubin-Épinay, within the Normandy region of France. It serves a population of 2,612 and is part of the municipal infrastructure managed under French water regulations. The plant operates with advanced treatment processes, ensuring high-quality effluent before discharge. With a designed capacity of 4,500 m³/day and a current discharge volume of 465.98 m³/day, the facility has ample capacity for future growth. As a French plant, it complies with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment levels based on agglomeration size and receiving water sensitivity. The treated effluent is discharged into local watercourses that eventually drain into the Seine River basin, contributing to the overall water quality of the region. The plant plays a key role in protecting downstream aquatic ecosystems and supporting the ecological health of Normandy's waterways.
Environmental context
The plant discharges into local streams that flow into the Seine River, which ultimately reaches the English Channel. The Seine estuary and its associated wetlands support diverse aquatic life and migratory bird populations. Advanced treatment helps minimize nutrient loading and protects the sensitive coastal environment downstream.
Frequently asked questions
MONTMAIN is located in Saint-Aubin-Épinay, in the Normandy region of France, along the D 42 road.
The plant serves a population of 2,612, classifying it as a small agglomeration under EU regulations.
The treated wastewater is discharged into local watercourses that flow into the Seine River basin, eventually reaching the English Channel.
MONTMAIN provides advanced treatment, which goes beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive for small agglomerations.
As a French plant, MONTMAIN operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into French law, which sets treatment standards based on population size and receiving water sensitivity.
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