Overview
Saint-Coulomb wastewater treatment plant serves the commune of Saint-Coulomb in Brittany, France, with a designed capacity of 1.00 m³/day. It operates under the EU Urban Waste Water Treatment Directive.
The Saint-Coulomb wastewater treatment plant is located in the commune of Saint-Coulomb, in the Ille-et-Vilaine department of Brittany, France. It serves a population of approximately 6,590 residents, making it a small agglomeration under EU classification. As a French facility, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires appropriate treatment for discharges into sensitive areas. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the English Channel via the Rance River estuary or nearby coastal waters. The receiving environment supports diverse marine life and is part of the broader Brittany coastal ecosystem, which is important for migratory birds and fisheries.
Environmental context
The plant discharges into the coastal watershed of northern Brittany, with treated effluent likely reaching the English Channel via the Rance River estuary or direct coastal outfalls. This area supports diverse marine habitats, including intertidal zones and seagrass beds, which are sensitive to nutrient loading and require effective wastewater treatment to maintain ecological balance.
Frequently asked questions
The plant is located in Saint-Coulomb, a commune in the Ille-et-Vilaine department of Brittany, France, near the coast of the English Channel.
The plant serves approximately 6,590 residents, classifying it as a small agglomeration under EU wastewater treatment regulations.
Treated effluent is discharged into the local watershed, which drains into the English Channel via the Rance River estuary or nearby coastal waters.
As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for small agglomerations discharging into coastal waters.
For small agglomerations in France, secondary treatment is typically required, which involves biological processes to reduce organic matter and suspended solids before discharge.
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