Overview
Moëlan-sur-Mer Kerglouanou wastewater treatment plant in Brittany, France serves 4,121 people with advanced treatment. It discharges 735.18 m³/day and has a designed capacity of 7,000 m³/day.
The Moëlan-sur-Mer Kerglouanou wastewater treatment plant is located in the coastal commune of Moëlan-sur-Mer in the Finistère department of Brittany, France. It serves a population of 4,121, classifying it as a small to medium agglomeration under French and EU regulations. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into sensitive areas. Its designed capacity is 7,000 m³/day, and it currently treats an average of 735.18 m³/day, indicating significant spare capacity. The treated effluent is discharged into the coastal waters of the Atlantic Ocean, as the plant is located within 10 km of the coast. This proximity to a sensitive marine environment necessitates advanced treatment to protect water quality and marine ecosystems. The plant plays a key role in safeguarding the local coastal environment and supporting tourism and fishing activities in the region.
Environmental context
The plant discharges into the Atlantic Ocean near the coast of Brittany, a region known for its rich marine biodiversity and productive fisheries. The receiving waters are part of the Iroise Sea and the wider Bay of Biscay, which support diverse habitats including seagrass beds and rocky reefs. Advanced treatment helps minimize nutrient and pollutant loads, protecting sensitive coastal ecosystems from eutrophication and contamination.
Frequently asked questions
The plant is located in Moëlan-sur-Mer, a coastal commune in the Finistère department of Brittany, France. Its address is Sentier Côtier, Poulguen Per, Moëlan-sur-Mer.
The plant serves a population of 4,121 people, classifying it as a small to medium agglomeration under EU regulations.
The treated wastewater is discharged into the Atlantic Ocean, as the plant is located within 10 km of the coast. Advanced treatment ensures that the effluent meets strict standards to protect the marine environment.
The plant provides advanced treatment, which includes nutrient removal and disinfection, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for sensitive coastal areas.
As a French plant discharging into a coastal sensitive area, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for agglomerations over 10,000 PE in sensitive zones. Although serving fewer than 10,000 people, the plant's advanced treatment reflects local environmental protection goals.
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