Overview
CLEGUEREC Pont Saint Jean is an advanced wastewater treatment plant in Cléguérec, Bretagne, France, serving 2,267 people with a designed capacity of 3,100 m³/day.
CLEGUEREC Pont Saint Jean is an advanced wastewater treatment plant located in Cléguérec, a commune in the Morbihan department of Bretagne, France. The plant serves a population of approximately 2,267 people, reflecting its role as a small-scale municipal facility in the rural Breton landscape. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 3,100 m³/day and a current discharge volume of 404.43 m³/day, the facility operates well within its capacity, ensuring effective treatment of local wastewater. The treated effluent is discharged into the local watershed, which ultimately drains into the Blavet River and then into the Atlantic Ocean. The plant's advanced treatment helps protect the sensitive aquatic ecosystems of the Blavet basin, supporting water quality for biodiversity and downstream uses.
Environmental context
The plant discharges into the Blavet River basin, which flows southward through Morbihan into the Atlantic Ocean near Lorient. The Blavet supports diverse freshwater and estuarine habitats, including migratory fish species such as salmon and eels. Advanced treatment at this facility helps maintain water quality in this ecologically sensitive coastal watershed.
Frequently asked questions
The plant is located in Cléguérec, a commune in the Morbihan department of Bretagne, France, at the address Lenvos, Cléguérec.
The plant serves approximately 2,267 people, making it a small-scale municipal facility.
The treated effluent is discharged into the local watershed, which drains into the Blavet River and ultimately reaches the Atlantic Ocean.
The plant provides advanced treatment, exceeding 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 small agglomerations like Cléguérec, advanced treatment is not mandatory but is implemented to protect sensitive water bodies.
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