Overview
SAINT COSME EN VAIRAIS Pre de Pillebeau is an advanced wastewater treatment plant in Saint-Cosme-en-Vairais, Pays de la Loire, France, serving 1,300 people with a designed capacity of 1,700 m³/day.
SAINT COSME EN VAIRAIS Pre de Pillebeau is an advanced wastewater treatment plant located in Saint-Cosme-en-Vairais, a commune in the Sarthe department of Pays de la Loire, France. The plant serves a population of 1,300 and has a designed capacity of 1,700 cubic meters per day, with a current discharge volume of 231.92 m³/day. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment is typically implemented in sensitive areas to reduce nutrient loads and protect receiving water bodies. The treated effluent is discharged into local watercourses that ultimately drain into the Sarthe River, a tributary of the Loire River. The Loire basin is ecologically significant, supporting diverse aquatic life and providing important habitats for migratory fish species. The plant's advanced treatment helps maintain water quality in this sensitive watershed.
Environmental context
The plant discharges into local streams that feed the Sarthe River, which flows into the Loire River, one of France's major rivers. The Loire basin is ecologically sensitive, supporting diverse aquatic species and serving as a critical migratory corridor for fish such as Atlantic salmon and European eel. Advanced treatment at this plant helps reduce nutrient pollution, protecting downstream ecosystems.
Frequently asked questions
The plant is located in Saint-Cosme-en-Vairais, in the Sarthe department of Pays de la Loire, France.
The plant serves a population of 1,300 people.
The treated effluent is discharged into local watercourses that flow into the Sarthe River, a tributary of the Loire River.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into French law. For its size (1,300 people), secondary treatment is mandatory, but the plant goes further with advanced treatment, likely due to the sensitivity of the Loire basin.
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