Overview
BONNETABLE la grande brancherie is a secondary wastewater treatment plant serving Bonnétable, France. It treats wastewater for approximately 4,920 people with a designed capacity of 6,000 m³/day.
BONNETABLE la grande brancherie is a wastewater treatment plant located in Bonnétable, in the Pays de la Loire region of France. The facility serves a population of about 4,920 people, classifying it as a small to medium agglomeration under French and EU regulations. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for inland freshwater discharges from agglomerations of this size. The designed capacity is 6,000 m³/day, and the current discharge volume is approximately 877.72 m³/day, indicating operational headroom. The treated effluent is discharged into the local watershed, which ultimately drains into the Sarthe River, a tributary of the Loire River. The Loire basin is ecologically significant, supporting diverse aquatic life and migratory fish species. The plant's operation helps protect downstream water quality in this important river system.
Environmental context
The plant discharges into the local watercourse that flows into the Sarthe River, part of the Loire River basin. The Loire is one of France's longest rivers and supports a rich ecosystem, including migratory fish such as Atlantic salmon and European eel. The secondary treatment provided helps reduce organic pollution and nutrient loads, contributing to the ecological health of the downstream river network.
Frequently asked questions
The plant is located in Bonnétable, in the Sarthe department of the Pays de la Loire region, France.
The plant serves approximately 4,920 people, classifying it as a small to medium agglomeration under EU regulations.
The treated effluent is discharged into the local watercourse, which flows into the Sarthe River, a tributary of the Loire River.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for inland discharges from agglomerations of this size.
Under the EU UWWTD, agglomerations with a population equivalent between 2,000 and 10,000 are required to provide secondary treatment for freshwater discharges. This plant meets that requirement.
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