Overview
ETRETAT wastewater treatment plant in Étretat, Normandy, France serves 2,800 people with advanced treatment, discharging 499.52 m³/day. Located within 10 km of the coast, it protects the English Channel and local marine environment.
The ETRETAT wastewater treatment plant is located in Étretat, a coastal commune in the Normandy region of France. Serving a population of approximately 2,800, this facility is part of the municipal infrastructure managed under French water regulations. The plant is situated near the English Channel, making its discharge quality critical for coastal water quality. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 4,700 m³/day and an average discharge volume of 499.52 m³/day, the plant operates well within its capacity. Advanced treatment typically includes nutrient removal, which is important for sensitive coastal areas. The treated effluent is discharged into the English Channel, a vital marine ecosystem supporting diverse aquatic life and important for tourism and fisheries. The plant's proximity to the coast (within 10 km) underscores the importance of its advanced treatment in preventing eutrophication and protecting bathing waters along the Alabaster Coast.
Environmental context
The plant discharges into the English Channel, a major marine water body that connects to the Atlantic Ocean. The local watershed includes the small coastal streams of the Pays de Caux region. The English Channel supports rich biodiversity, including seabird colonies, marine mammals, and commercial fish stocks. The advanced treatment helps protect sensitive coastal habitats from nutrient pollution, which is critical given the area's popularity for tourism and recreation.
Frequently asked questions
The ETRETAT plant is located at Chemin Côte du Mont, Ferme du Mont, in Étretat, Seine-Maritime, Normandy, France.
The plant serves approximately 2,800 people in the commune of Étretat and surrounding areas.
The plant discharges treated effluent into the English Channel, a coastal marine environment. Its advanced treatment ensures high-quality discharge to protect bathing waters and marine life.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 population equivalent. The plant's advanced treatment exceeds this standard.
In France, plants serving 2,000-10,000 people typically require secondary treatment under EU directives. Many coastal plants, like ETRETAT, implement advanced treatment to meet stringent requirements for sensitive areas.
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