SAINT PHILIBERT Kerran Wastewater Treatment Plant, Locmariaquer, Bretagne

SAINT PHILIBERT Kerran is a wastewater treatment plant located in Locmariaquer, a commune in the Morbihan department of Bretagne, France. The plant serves a population of approximately 8,589 people, placing it in the small-to-medium agglomeration category under French regulations. Its location near the Gulf of Morbihan, a coastal area, influences its operational and environmental context. As a French plant serving a population between 2,000 and 10,000, it is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. French wastewater treatment plants are typically operated by municipal authorities or delegated private operators under strict national standards. The plant's discharge likely enters the Gulf of Morbihan, a semi-enclosed sea inlet connected to the Atlantic Ocean. This area is ecologically sensitive, supporting diverse marine life, including seagrass beds and migratory bird populations. The treatment plant plays a key role in protecting the coastal waters from nutrient pollution and ensuring compliance with the EU Water Framework Directive.

The plant is situated near the Gulf of Morbihan, a coastal inlet that drains into the Atlantic Ocean. This area is ecologically sensitive, supporting diverse marine habitats, including seagrass meadows and shellfish beds. The Gulf is also an important migratory corridor for birds. Effective wastewater treatment is crucial to prevent eutrophication and protect the region's biodiversity and tourism-dependent economy.