Overview
Milly la Foret wastewater treatment plant serves the commune of Milly-la-Forêt in Essonne, France. It treats wastewater for approximately 7,029 residents under the EU Urban Waste Water Treatment Directive.
The Milly la Foret wastewater treatment plant is located in Milly-la-Forêt, a commune in the Essonne department of the Île-de-France region, France. The plant serves a population of approximately 7,029 residents, placing it in the small-to-medium agglomeration category under French and EU regulations. As a French wastewater facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater. The plant's treatment processes are designed to meet national standards set by the French Ministry of Ecology, with oversight from the local water agency (Agence de l'Eau Seine-Normandie). The plant discharges treated effluent into the local watershed, which ultimately drains into the Seine River basin. The Seine River flows through Paris and into the English Channel, supporting diverse aquatic life and serving as a critical water resource for the region. The plant plays a key role in protecting downstream water quality and the ecological health of the Seine estuary.
Environmental context
The plant discharges into the Seine River basin, which flows through the Île-de-France region and eventually reaches the English Channel. The Seine supports a variety of fish species and is an important migratory corridor for eels and salmon. The plant's treated effluent contributes to the overall water quality of the river, which is subject to EU Water Framework Directive goals for good ecological status.
Frequently asked questions
The plant is located at D 948, Milly-la-Forêt, in the Essonne department of the Île-de-France region, France.
The plant serves approximately 7,029 residents of Milly-la-Forêt and surrounding areas.
The plant discharges treated effluent into the local watershed, which flows into the Seine River basin and eventually reaches the English Channel.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. French national regulations and the local water agency (Agence de l'Eau Seine-Normandie) oversee compliance.
Under the EU Urban Waste Water Treatment Directive, plants serving 2,000 to 10,000 population equivalent in freshwater areas typically require secondary treatment (biological treatment) to reduce organic matter and suspended solids.
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