Overview
SIVOM DU HAUT MAINE Les Ouzeras is a secondary treatment plant in Vivoin, Pays de la Loire, France. It serves approximately 2,728 people and discharges treated wastewater into local waterways.
SIVOM DU HAUT MAINE Les Ouzeras is a municipal wastewater treatment plant located in Vivoin, within the Sarthe department of Pays de la Loire, France. The plant serves a population of about 2,728, classifying it as a small agglomeration under French and EU regulations. Its location in the rural Loire region places it within a network of small to medium-sized plants managing wastewater from scattered communities. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. With a designed capacity of 5,000 cubic meters per day and an average daily flow of 486.67 cubic meters, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into local streams that eventually flow 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 secondary treatment helps protect downstream water quality in this sensitive watershed, reducing nutrient loads and organic pollution before discharge.
Environmental context
The plant discharges into small watercourses that drain into the Sarthe River, a major tributary of the Loire River. The Loire basin is one of France's largest watersheds, supporting diverse aquatic ecosystems and migratory fish such as Atlantic salmon and European eel. Secondary treatment reduces organic matter and suspended solids, helping to maintain water quality in this ecologically sensitive region.
Frequently asked questions
The plant is located in Vivoin, a commune in the Sarthe department of Pays de la Loire, France. Its address is D 6BIS, Beaurepaire, Vivoin.
The plant serves approximately 2,728 people, classifying it as a small agglomeration under EU regulations.
The plant provides secondary treatment before discharging effluent into local streams that flow into the Sarthe River, a tributary of the Loire River.
As a French plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for freshwater discharges from agglomerations of this size.
For small agglomerations in France, secondary treatment is standard. This typically involves biological processes such as activated sludge or trickling filters, followed by sedimentation to remove organic matter and suspended solids.
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