Overview
Villers-Saint-Paul wastewater treatment plant serves approximately 13,767 people in the Hauts-de-France region of northern France. The facility operates under the EU Urban Waste Water Treatment Directive.
The Villers-Saint-Paul wastewater treatment plant is located in the commune of Villers-Saint-Paul, within the Oise department of the Hauts-de-France region in northern France. The plant serves a population of around 13,767 residents, classifying it as a medium-sized agglomeration under European Union classification. 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. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas, such as those prone to eutrophication. The plant's treatment processes align with these regulatory standards to ensure compliance and environmental protection. The treated effluent is discharged into the local watershed, which ultimately drains into the Oise River, a major tributary of the Seine. The Seine River flows through Paris and into the English Channel, supporting diverse aquatic ecosystems and providing water for agricultural and industrial use. The plant plays a key role in protecting downstream water quality and the ecological health of the Seine basin.
Environmental context
The plant discharges into the Oise River, a tributary of the Seine, which flows through the Paris Basin and into the English Channel. The Seine estuary and downstream marine environment support diverse aquatic life, including migratory fish species such as Atlantic salmon and eel. The watershed is ecologically sensitive due to agricultural runoff and urban pressures, making effective wastewater treatment critical for maintaining water quality and biodiversity.
Frequently asked questions
The plant is located in Villers-Saint-Paul, a commune in the Oise department of the Hauts-de-France region in northern France.
The plant serves approximately 13,767 residents, classifying it as a medium-sized agglomeration under EU classification.
The plant discharges into the Oise River, a major tributary of the Seine, which flows through Paris and into the English Channel.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), plants serving agglomerations of this size must provide secondary treatment. If the receiving waters are sensitive, tertiary treatment may be required.
In France, plants serving around 14,000 people typically employ secondary biological treatment, such as activated sludge or biofiltration, to meet EU standards for organic matter and suspended solids removal.
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