Overview
PLUVIGNER Prad er Houet is an advanced wastewater treatment plant in Pluvigner, Bretagne, France, serving a population of 3,027. It discharges 540.01 m³/day and is located within 10 km of the coast.
PLUVIGNER Prad er Houet is an advanced wastewater treatment plant located in Pluvigner, a commune in the Morbihan department of Bretagne, France. The plant serves a population of approximately 3,027 and has a designed capacity of 5,000 m³/day, with an average daily discharge of 540.01 m³/day. As an advanced treatment facility, it goes beyond secondary treatment to remove nutrients and other pollutants, meeting stringent standards under the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size (under 10,000 population equivalent), the directive requires appropriate treatment, and France's national regulations often mandate advanced treatment in sensitive areas like coastal zones. The plant is situated within 10 km of the Atlantic coast, making its discharge potentially impactful on coastal water quality. The treated effluent likely flows into local streams that drain into the Gulf of Morbihan or the Atlantic Ocean, supporting marine ecosystems and recreational waters. The advanced treatment helps protect these sensitive coastal environments from eutrophication and pollution.
Environmental context
The plant discharges into the local watershed of the Blavet River basin or nearby coastal streams, ultimately draining into the Atlantic Ocean. The region's coastal waters support diverse marine life, including seagrass beds and shellfish fisheries, which are sensitive to nutrient pollution. The advanced treatment level helps minimize the risk of eutrophication in these nearshore environments.
Frequently asked questions
The plant is located in Pluvigner, a commune in the Morbihan department of Bretagne, France. Its address is near the Déchèterie de Pluvigner in the Bréventec area.
The plant serves a population of approximately 3,027 people, making it a small agglomeration under the EU Urban Waste Water Treatment Directive.
The plant discharges treated effluent into local watercourses that flow toward the Atlantic coast. As an advanced treatment facility, it removes nutrients and pollutants to protect coastal water quality.
The plant helps protect the local streams and rivers in the Blavet River basin, which drain into the Gulf of Morbihan and the Atlantic Ocean. Advanced treatment reduces nutrient loads that could harm these water bodies.
Under the EU UWWTD, agglomerations under 10,000 population equivalent require appropriate treatment. France designates many coastal areas as sensitive, necessitating advanced treatment to prevent eutrophication. This plant's advanced level meets those requirements.
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