Overview
Les Andelys wastewater treatment plant serves the commune of Le Thuit in Normandie, France. It treats wastewater for approximately 8,558 residents under the EU Urban Waste Water Treatment Directive.
The Les Andelys wastewater treatment plant is located in Le Thuit, a commune within the Les Andelys area of the Eure department in Normandie, France. The facility serves a population of approximately 8,558 people, classifying it as a small to medium agglomeration under European Union classification. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this size are required to provide secondary treatment (biological treatment) for their wastewater. The plant operates within the French regulatory framework, which implements the directive through national legislation and local permits issued by the relevant water agency. The treated effluent is discharged into the Seine River, which flows through Normandie and eventually into the English Channel. The Seine is a major river supporting diverse aquatic life and is an important ecological corridor in the region. The plant's operation helps protect the water quality of the Seine and its downstream estuary.
Environmental context
The plant discharges into the Seine River, which flows through the Normandy region and empties into the English Channel at Le Havre. The Seine estuary is a critical habitat for migratory fish species such as salmon and eel, and supports a variety of birdlife. The treatment plant plays a key role in maintaining water quality in this ecologically sensitive river system.
Frequently asked questions
The plant is located at Rue de Seine, Le Thuit, in the commune of Les Andelys, Eure department, Normandie, France.
The plant serves approximately 8,558 residents in the Les Andelys area.
The treated effluent is discharged into the Seine River, which flows through Normandie and into the English Channel.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent between 2,000 and 10,000 are required to provide secondary treatment. The Les Andelys plant, serving 8,558 people, falls into this category and must comply with the directive's standards.
In France, wastewater treatment plants serving populations of this scale typically employ secondary treatment (biological treatment) to meet the requirements of the EU Urban Waste Water Treatment Directive. This involves processes such as activated sludge or biofiltration to remove organic matter and nutrients.
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