ST SORNIN LA MADELEINE Wastewater Treatment Plant, Saint-Sornin, Nouvelle-Aquitaine

ST SORNIN LA MADELEINE is a wastewater treatment plant serving the commune of Saint-Sornin in the Charente-Maritime department of Nouvelle-Aquitaine, France. The plant is situated near the Atlantic coast, within 10 km of the shoreline, and treats wastewater for a population of about 7,342 residents. As a French wastewater facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size (between 2,000 and 10,000 population equivalent). The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day or similar unit), indicating it is sized to handle the local load. The treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean via the Pertuis d'Antioche strait. The coastal environment supports diverse marine life and is an important area for migratory birds and fisheries. The plant plays a key role in protecting the coastal water quality and the ecological health of the nearby marshes and estuaries.

The plant discharges into the local watershed that flows into the Atlantic Ocean via the Pertuis d'Antioche. This coastal area features extensive salt marshes and mudflats that support diverse aquatic life, including fish nurseries and migratory bird populations. The region's estuarine ecosystems are sensitive to nutrient pollution, making effective wastewater treatment critical for maintaining water quality and biodiversity.