Overview
BRIGNOGAN PLAGES is an advanced wastewater treatment plant in Plounéour-Brignogan-Plages, Bretagne, France, serving 2,650 people with a designed capacity of 3,000 m³/day.
BRIGNOGAN PLAGES is an advanced wastewater treatment plant located in the coastal commune of Plounéour-Brignogan-Plages in the Finistère department of Brittany, France. The plant serves a population of approximately 2,650 residents, reflecting its role in a small coastal agglomeration. Its designed capacity of 3,000 m³/day indicates it is sized to handle seasonal tourist flows common to this Atlantic coast area. The plant employs advanced treatment processes, which go beyond the secondary treatment mandated by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Advanced treatment typically includes nutrient removal (nitrogen and phosphorus) to protect sensitive receiving waters. As a French facility, it operates under national regulations transposing the directive, with oversight from the Agence de l'Eau Loire-Bretagne. The plant discharges treated wastewater into the coastal waters of the Atlantic Ocean, given its proximity to the coast (within 10 km). The local watershed drains into the English Channel via small coastal streams. The advanced treatment level helps minimize nutrient loading to marine ecosystems, supporting water quality in the Iroise Sea and the broader Celtic Sea region.
Environmental context
The plant discharges into the coastal waters of the Atlantic Ocean near the Iroise Sea, a marine area known for strong tidal currents and rich biodiversity. The local watershed consists of small coastal rivers draining the Brittany peninsula. The advanced treatment reduces nutrient inputs, protecting sensitive marine habitats such as seagrass beds and kelp forests that support diverse aquatic life.
Frequently asked questions
The plant is located at Rue du Corps de Garde, Le Lividic, in the commune of Plounéour-Brignogan-Plages, Finistère, Bretagne, France.
The plant serves approximately 2,650 residents, with capacity designed for up to 3,000 m³/day to accommodate seasonal population increases.
The plant discharges treated effluent into coastal waters of the Atlantic Ocean, near the Iroise Sea. Its advanced treatment ensures high-quality effluent before marine discharge.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 PE. The plant exceeds this with advanced treatment, and is overseen by the Agence de l'Eau Loire-Bretagne.
For small coastal agglomerations in France, advanced treatment (including nutrient removal) is often required to protect sensitive marine waters, as implemented at BRIGNOGAN PLAGES.
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