GOUY 76 Wastewater Treatment Plant, Gouy, Normandy, France

GOUY 76 is a wastewater treatment facility located in the commune of Gouy, within the Seine-Maritime department of Normandy, France. The plant serves a population of around 2,900 residents and has a designed capacity of 5,400 cubic meters per day, with a current discharge volume of 517.35 m³/day. It operates under the French regulatory framework, which implements the EU Urban Waste Water Treatment Directive (91/271/EEC). As an advanced treatment plant, it provides a higher level of pollutant removal than the secondary treatment standard, ensuring compliance with stringent environmental requirements for sensitive areas. The plant's advanced treatment process likely includes nutrient removal (nitrogen and phosphorus) to protect the receiving water body from eutrophication. Although the specific receiving water body is not named, the plant's location in the Seine River basin suggests that treated effluent ultimately drains into the Seine and then the English Channel. The facility's capacity utilization is low relative to its design, indicating potential for future growth or seasonal variations in flow. Environmentally, GOUY 76 plays a crucial role in safeguarding local water quality in the Seine-Maritime region. The Seine River basin supports diverse aquatic ecosystems and is an important migratory corridor for fish species. By employing advanced treatment, the plant helps reduce nutrient loads that could otherwise contribute to algal blooms in coastal waters, aligning with France's commitments under the EU Water Framework Directive.

The plant discharges into the Seine River basin, which flows through Normandy and into the English Channel. This watershed supports a variety of aquatic life and is ecologically sensitive due to nutrient enrichment risks from agricultural and urban runoff. Advanced treatment at GOUY 76 helps mitigate these impacts by reducing nitrogen and phosphorus loads, protecting downstream estuarine and marine habitats.