Overview
GUICHEN PONT REAN is an advanced wastewater treatment plant in Pont-Réan (Guichen), Bretagne, France, serving 5,100 people. It discharges 909.83 m³/day and has a designed capacity of 8,000 m³/day.
GUICHEN PONT REAN is an advanced wastewater treatment plant located in Pont-Réan (Guichen), within the Bretagne region of France. The facility serves a population of approximately 5,100 and is part of the municipal wastewater infrastructure for the Guichen area. The plant employs advanced treatment processes, ensuring a high level of pollutant removal. With a designed capacity of 8,000 m³/day and an average discharge volume of 909.83 m³/day, it operates well below its capacity, indicating room for future growth. As a French facility, it complies with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment levels based on agglomeration size and receiving water sensitivity. The treated effluent is discharged into the local watershed, which ultimately drains into the Vilaine River and then into the Atlantic Ocean. The plant plays a key role in protecting the water quality of the Vilaine basin and the downstream marine environment, supporting aquatic life and recreational uses.
Environmental context
The plant discharges into the Vilaine River basin, which flows through Bretagne and into the Atlantic Ocean near Pénestin. The Vilaine estuary and coastal zone support diverse aquatic life, including migratory fish species. Advanced treatment helps minimize nutrient loading, reducing the risk of eutrophication in the downstream waters.
Frequently asked questions
GUICHEN PONT REAN is located in Pont-Réan (Guichen), in the Bretagne region of France, near the Vilaine River.
The plant serves approximately 5,100 people in the Guichen area.
The treated effluent is discharged into the local watershed, which flows into the Vilaine River and eventually reaches 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, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for sensitive areas and secondary treatment for standard discharges. The plant's advanced treatment aligns with the directive's goals for protecting water bodies.
Nearby plants