REGUINY Wastewater Treatment Plant, Moréac, Bretagne, France

REGUINY is an advanced wastewater treatment plant located in Clibéran, Moréac, within the Morbihan department of Bretagne, France. The plant serves a population of approximately 2,381 and has a designed capacity of 2,850 m³/day, with a current discharge volume of 424.77 m³/day. As an advanced treatment facility, REGUINY goes beyond secondary treatment to remove nutrients and other pollutants, ensuring high-quality effluent. In France, such plants are regulated under national water laws that transpose the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for agglomerations of this size to protect sensitive water bodies. The plant discharges into local waterways that ultimately drain into the Atlantic Ocean via the Gulf of Morbihan. The region's watershed supports diverse aquatic life and is important for both ecological balance and local water quality. Advanced treatment helps minimize nutrient loading, protecting downstream environments from eutrophication.

REGUINY discharges into the local river system within the Morbihan department, which flows into the Gulf of Morbihan and then the Atlantic Ocean. The Gulf of Morbihan is a semi-enclosed marine area with rich biodiversity, including seagrass beds and migratory bird habitats. Advanced treatment at the plant reduces nutrient and pollutant loads, helping to preserve water quality and ecological health in this sensitive coastal zone.