Overview
Surzur Trévinec wastewater treatment plant serves approximately 6,100 residents in Surzur, Brittany, France. It operates under EU regulations for small agglomerations.
The Surzur Trévinec wastewater treatment plant is located in Surzur, a commune in the Morbihan department of Brittany, France. It serves a population of around 6,100 people, classifying it as a small agglomeration under EU standards. The plant is situated near the coast, within 50 km of the Atlantic Ocean. As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters. The plant's treated effluent ultimately reaches the Atlantic Ocean via local waterways. The surrounding region includes the Gulf of Morbihan, a semi-enclosed sea known for its rich marine biodiversity and important shellfish farming areas. Proper treatment is essential to protect these sensitive coastal ecosystems from nutrient pollution.
Environmental context
The plant discharges into the coastal waters of southern Brittany, part of the Bay of Biscay in the Atlantic Ocean. The nearby Gulf of Morbihan is a shallow, semi-enclosed basin that supports extensive seagrass beds, shellfish aquaculture, and migratory bird populations. Nutrient inputs from wastewater must be carefully managed to prevent eutrophication and maintain water quality for tourism and fisheries.
Frequently asked questions
The plant is located in Surzur, a commune in the Morbihan department of Brittany, France, near the Atlantic coast.
The plant serves approximately 6,100 residents, classifying it as a small agglomeration under EU definitions.
The treated effluent is discharged into local waterways that flow into the Atlantic Ocean, specifically the Bay of Biscay near the Gulf of Morbihan.
As a French facility, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters.
Under the EU UWWTD, plants serving 2,000 to 10,000 population equivalent in coastal areas typically require secondary treatment to reduce organic matter and suspended solids before discharge.
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