AUMALE Wastewater Treatment Plant, Aumale, Normandy, France

The AUMALE wastewater treatment plant is located in Aumale, a commune in the Seine-Maritime department of Normandy, France. It serves a population of approximately 3,300 people, classifying it as a small agglomeration under French and EU regulations. The plant is situated inland, more than 10 kilometers from the coast, and its operations are part of the regional water management infrastructure. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 5,000 cubic meters per day and an average discharge volume of 588.71 cubic meters per day, the facility operates well within its capacity. Advanced treatment typically includes nutrient removal, which is important for protecting sensitive receiving waters. The treated effluent is discharged into local watercourses that eventually drain into the Seine River basin and ultimately the English Channel. The plant's advanced treatment helps safeguard the ecological health of these waters, supporting aquatic life and maintaining water quality for downstream communities and ecosystems.

The AUMALE plant discharges into the local river system, which flows into the Seine River and then into the English Channel. The Seine estuary and the Channel are ecologically sensitive areas that support diverse marine life and are important for migratory fish species. Advanced treatment at this plant reduces nutrient loads, helping to prevent eutrophication in downstream waters.