Overview
SARZEAU Kergorange wastewater treatment plant serves Sarzeau in Brittany, France, with a designed capacity of 1.00 m³/day. It treats wastewater for a population of approximately 23,192 under EU regulations.
The SARZEAU Kergorange wastewater treatment plant is located in Sarzeau, a commune in the Morbihan department of Brittany, France. It serves a population of about 23,192 people, placing it in the medium agglomeration category under the EU Urban Waste Water Treatment Directive (UWWTD). As a French facility, the plant operates under the EU UWWTD (91/271/EEC), which requires secondary treatment for agglomerations of this size. France implements this directive through national regulations, and plants serving over 10,000 population equivalent must meet strict effluent standards. The plant discharges treated wastewater into the local watershed, which ultimately drains into the Atlantic Ocean via the Gulf of Morbihan. This coastal region is ecologically sensitive, supporting diverse marine life and important bird populations. The plant's proximity to the coast (within 50 km) underscores the need for effective treatment to protect coastal water quality.
Environmental context
The treated effluent from SARZEAU Kergorange enters the local drainage network, which flows into the Gulf of Morbihan, a semi-enclosed sea connected to the Atlantic Ocean. The Gulf is a productive marine ecosystem that supports shellfish farming, seagrass beds, and migratory birds. Nutrient and pathogen control from wastewater treatment is critical to prevent eutrophication and protect recreational and economic uses of the coastal waters.
Frequently asked questions
The plant is located in Sarzeau, a commune in the Morbihan department of Brittany, France. Its address is Sodrio, Sarzeau, Vannes, Morbihan, Bretagne, France métropolitaine, 56370.
The plant serves a population of approximately 23,192 people, classifying it as a medium-sized agglomeration under EU wastewater treatment regulations.
The plant discharges treated effluent into the local watershed, which flows into the Gulf of Morbihan and eventually the Atlantic Ocean. Its coastal location requires effective treatment to protect marine ecosystems.
As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 10,000 population equivalent. France enforces this through national legislation.
Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent are required to have secondary treatment (biological treatment) as a minimum. In sensitive areas, tertiary treatment may be required to remove nutrients.
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