Overview
GUIGNEN wastewater treatment plant in Guignen, Bretagne, France serves 1,700 people with advanced treatment. It discharges 303.28 m³/day and has a designed capacity of 3,000 m³/day.
The GUIGNEN wastewater treatment plant is located in Guignen, a commune in the Ille-et-Vilaine department of Bretagne, France. It serves a population of 1,700 and operates with advanced treatment processes, ensuring high-quality effluent before discharge. With a designed capacity of 3,000 m³/day and an average daily flow of 303.28 m³, the plant operates well below its capacity. As a French facility, it complies with national regulations transposing the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for small agglomerations. The plant's treated effluent is discharged into local waterways that ultimately drain into the Atlantic Ocean via the Vilaine River basin. Its advanced treatment helps protect the sensitive aquatic ecosystems of Bretagne's rivers and coastal waters.
Environmental context
The GUIGNEN plant discharges into the Vilaine River basin, which flows through Ille-et-Vilaine and eventually reaches the Atlantic Ocean near Pénestin. This watershed supports diverse aquatic life and is important for migratory fish species. The advanced treatment helps minimize nutrient loading and protects downstream water quality in this ecologically sensitive region.
Frequently asked questions
The GUIGNEN plant is located in Guignen, a commune in the Ille-et-Vilaine department of Bretagne, France.
The plant serves a population of approximately 1,700 people.
The treated effluent is discharged into local waterways within the Vilaine River basin, which flows to the Atlantic Ocean.
The plant provides advanced treatment, which goes beyond secondary treatment to remove nutrients and other pollutants, ensuring high effluent quality.
As a French plant, GUIGNEN operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for agglomerations of its size. Advanced treatment is typical for sensitive areas to protect water quality.
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