Overview
PLESTIN LES GREVES LD LA VILLE NEUVE is an advanced wastewater treatment plant in Plestin-les-Grèves, Bretagne, France. It serves 4,623 people with a designed capacity of 4,000 m³/day and discharges 824.73 m³/day.
PLESTIN LES GREVES LD LA VILLE NEUVE is an advanced wastewater treatment plant located in Plestin-les-Grèves, a coastal commune in the Côtes-d'Armor department of Brittany, France. The plant serves a population of 4,623, placing it in the small-to-medium agglomeration category under French and EU regulations. The facility operates with advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for sensitive areas. Its designed capacity is 4,000 m³/day, with an average daily discharge of 824.73 m³/day, indicating operational headroom. As a coastal plant within 10 km of the sea, the advanced treatment likely addresses nutrient removal to protect marine water quality. The plant discharges treated effluent into local watercourses that drain into the English Channel (La Manche) near the Baie de Lannion. This coastal area supports diverse marine life, including seagrass beds and shellfish fisheries. The advanced treatment helps minimize nutrient loading and protects the ecological health of the downstream marine environment.
Environmental context
The plant's treated effluent flows into small coastal streams that empty into the Baie de Lannion, part of the English Channel. This bay is ecologically sensitive, supporting seagrass meadows, nursery habitats for fish, and shellfish farming. The advanced treatment reduces nitrogen and phosphorus loads, helping to prevent eutrophication in these productive coastal waters. The region's Atlantic climate and tidal dynamics influence the dispersal and dilution of treated wastewater.
Frequently asked questions
The plant is located in Plestin-les-Grèves, a coastal commune in the Côtes-d'Armor department of Brittany, France. Its address is Moulin de Rochelan, Plestin-les-Grèves.
The plant serves a population of 4,623, classifying it as a small-to-medium agglomeration under EU wastewater treatment regulations.
The plant discharges treated effluent into local streams that flow into the Baie de Lannion, part of the English Channel. Its coastal location within 10 km of the sea requires advanced treatment to protect marine ecosystems.
The plant provides advanced treatment, which goes beyond secondary treatment. This is typical for sensitive coastal areas in France, where nutrient removal helps prevent eutrophication in marine waters.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this size require secondary treatment. As a coastal plant in a sensitive area, the advanced treatment exceeds the directive's minimum requirements, ensuring protection of the English Channel marine environment.
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