Overview
Saint Jean Le Thomas wastewater treatment plant serves 1,800 people in Saint-Jean-le-Thomas, Normandie, France. It provides secondary treatment and discharges 321.12 m³/day, located within 10 km of the coast.
The Saint Jean Le Thomas wastewater treatment plant is located in Saint-Jean-le-Thomas, a commune in the Manche department of Normandie, France. It serves a population of approximately 1,800 residents, classifying it as a small agglomeration under French and EU regulations. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into coastal waters. With a designed capacity of 2,000 m³/day and an average daily flow of 321.12 m³, the plant operates well within its capacity. The facility is situated on the Chemin de Sous la Mer, near the coast of the English Channel. The treated effluent is discharged into the coastal waters of the English Channel, which supports diverse marine life and is an important area for fisheries and tourism. The plant's proximity to the coast necessitates compliance with stringent discharge standards to protect the marine environment and bathing water quality.
Environmental context
The plant discharges into the English Channel, a major marine ecosystem that supports diverse aquatic life, including fish, seabirds, and marine mammals. The coastal waters near Saint-Jean-le-Thomas are part of the larger Baie du Mont-Saint-Michel, an ecologically sensitive area known for its tidal flats and migratory bird populations. The plant's secondary treatment helps reduce organic pollutants and nutrients, mitigating eutrophication risks in the bay.
Frequently asked questions
The plant is located at Chemin de Sous la Mer, Saint-Jean-le-Thomas, in the Manche department of Normandie, France.
The plant serves approximately 1,800 residents, classifying it as a small agglomeration under EU regulations.
The plant provides secondary treatment and discharges treated effluent into the coastal waters of the English Channel, near the Baie du Mont-Saint-Michel.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for coastal discharges from agglomerations of this size.
For small agglomerations in France, secondary treatment is standard, especially for coastal discharges, to meet EU directive requirements and protect marine water quality.
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