Overview
SEVRAI 2013 is a secondary wastewater treatment plant in Sevrai, Normandie, France, serving approximately 1,400 people. It discharges treated effluent into the local watershed, contributing to the protection of regional water quality.
SEVRAI 2013 is a municipal wastewater treatment plant located in Sevrai, a commune in the Orne department of Normandie, France. The plant serves a population of around 1,400, classifying it as a small agglomeration under French and EU regulations. It is situated in a rural inland area, away from the coast. The plant provides secondary treatment, which is the minimum standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. The designed capacity is 2,500 m³/day, with an actual discharge volume of approximately 250 m³/day, indicating ample capacity headroom. The plant operates under the French regulatory framework, which implements the EU directive through national legislation. The treated effluent is discharged into the local river system, which ultimately drains into the English Channel via the Orne River and its tributaries. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the Normandy region.
Environmental context
The plant discharges into the Orne River basin, a coastal watershed that flows into the English Channel. The Orne River supports diverse aquatic life and is an important migratory corridor for fish species. The surrounding area includes agricultural land and small settlements, making the plant's secondary treatment essential for controlling nutrient loads and preventing eutrophication in downstream waters.
Frequently asked questions
SEVRAI 2013 is located at 25 Rue d'Udon, Udon, Sevrai, in the Orne department of Normandie, France.
The plant serves approximately 1,400 people, classifying it as a small agglomeration under EU wastewater directives.
The plant provides secondary treatment before discharging effluent into the local river system, which flows into the Orne River and eventually the English Channel.
As a French plant, SEVRAI 2013 operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for freshwater discharges from agglomerations of this size.
For small agglomerations in France, secondary treatment is the standard requirement under the EU directive, ensuring effective removal of organic matter and suspended solids.
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