Overview
CAUDAN wastewater treatment plant in Caudan, Bretagne, France, serves 2,750 people with advanced treatment. It discharges 490.60 m³/day and is located near the coast.
The CAUDAN wastewater treatment plant is located in Caudan, a commune in the Morbihan department of Bretagne, France. It serves a population of 2,750 and operates with advanced treatment processes, ensuring high-quality effluent before discharge. The plant has a designed capacity of 5,400 m³/day and currently treats an average daily flow of 490.60 m³. As a French wastewater facility, CAUDAN operates under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for sensitive areas. France implements this through national regulations, requiring appropriate treatment levels based on population equivalents and receiving water sensitivity. The plant's advanced treatment status indicates it likely employs nutrient removal or other tertiary processes to protect the local environment. The treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean via the Blavet River or nearby coastal waters. The plant's proximity to the coast (within 10 km) underscores the importance of its advanced treatment in preventing nutrient enrichment and protecting marine ecosystems. The surrounding region supports diverse aquatic life and is part of the broader Brittany coastal environment.
Environmental context
The CAUDAN plant discharges into the Blavet River catchment, which flows into the Atlantic Ocean near Lorient. This coastal area supports diverse marine habitats, including estuaries and seagrass beds, and is important for migratory fish species. The advanced treatment helps minimize nutrient loading and protects the sensitive coastal ecosystem from eutrophication.
Frequently asked questions
The CAUDAN plant is located at Rue du Muguet, Caudan, in the Morbihan department of Bretagne, France.
The plant serves a population of 2,750 people.
The treated effluent is discharged into the local watershed, which drains into the Blavet River and ultimately the Atlantic Ocean near Lorient.
The plant provides advanced treatment, which typically includes nutrient removal and tertiary processes to meet stringent environmental standards.
As a French plant serving 2,750 people, it falls under the EU Urban Waste Water Treatment Directive, which requires appropriate treatment based on population and receiving water sensitivity. Advanced treatment is mandated for sensitive areas to protect coastal and marine environments.
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