Overview
SAINT JACUT DE LA MER LES MARAIS is an advanced wastewater treatment plant in Saint-Jacut-de-la-Mer, Brittany, France. Serving 4,875 people, it discharges 869.69 m³/day of treated effluent into the local coastal environment.
SAINT JACUT DE LA MER LES MARAIS is an advanced wastewater treatment plant located in Saint-Jacut-de-la-Mer, a coastal commune in the Côtes-d'Armor department of Brittany, France. The plant serves a population of 4,875 and has a designed capacity of 6,000 m³/day, with an average discharge volume of 869.69 m³/day. As a coastal facility within 10 km of the shoreline, it plays a key role in protecting the marine environment of the English Channel. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Under this directive, sensitive areas such as coastal zones may necessitate tertiary treatment to reduce nutrients and prevent eutrophication. The advanced treatment level indicates compliance with stringent French and European standards for wastewater discharge. The treated effluent is discharged into the coastal waters of the English Channel, near the Rance estuary and the Emerald Coast. This area supports diverse marine life, including shellfish beds and migratory fish species. The plant's advanced treatment helps minimize nutrient loading and protect the ecological balance of the local marine ecosystem, which is important for tourism and fisheries in the region.
Environmental context
The plant discharges into the coastal waters of the English Channel, near the Rance estuary and the Emerald Coast. This region is ecologically sensitive, supporting diverse marine habitats, shellfish farming, and migratory bird populations. The advanced treatment reduces nutrient and pollutant loads, helping to prevent eutrophication and protect water quality in the downstream marine environment.
Frequently asked questions
The plant is located at La Ville Neuve, Saint-Jacut-de-la-Mer, in the Côtes-d'Armor department of Brittany, France. It is situated within 10 km of the coast on the Emerald Coast of the English Channel.
The plant serves a population of 4,875 people in the Saint-Jacut-de-la-Mer area, which includes both permanent residents and seasonal tourists.
The treated effluent is discharged into the coastal waters of the English Channel. The plant uses advanced treatment processes to ensure the effluent meets strict environmental standards before release.
The plant protects the coastal waters of the English Channel near the Rance estuary. By treating wastewater to an advanced level, it helps maintain water quality in the local marine environment, which supports shellfish beds and migratory fish.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent above 2,000 must provide at least secondary treatment. As a coastal plant serving 4,875 people, SAINT JACUT DE LA MER LES MARAIS exceeds this requirement with advanced treatment, likely to protect sensitive coastal waters from nutrient pollution.
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