BREHAL LA VANLEE Wastewater Treatment Plant, Bréhal, Normandy, France

BREHAL LA VANLEE is an advanced wastewater treatment plant located in Bréhal, a commune in the Manche department of Normandy, France. The plant serves a population of approximately 3,480 people, placing it in the small agglomeration category under French and EU regulations. Its location near the English Channel coast makes it part of the sensitive coastal zone management framework. 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 coastal discharges. With a designed capacity of 3,000 m³/day and an actual discharge volume of 620.83 m³/day, the facility operates well within its capacity. The advanced treatment level ensures high-quality effluent, reducing nutrient loads and protecting the receiving marine environment. The treated wastewater 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 advanced treatment helps minimize eutrophication risks and maintains water quality standards for bathing and shellfish harvesting along the Normandy coast.

The plant discharges into the coastal waters of the English Channel near Bréhal. This area is part of the wider Baie du Mont-Saint-Michel ecosystem, known for its high tidal range and rich biodiversity, including migratory birds and marine species. The advanced treatment reduces nutrient and pollutant loads, protecting the sensitive coastal environment from eutrophication and supporting local fisheries and tourism.