Overview
Erigne St Melaine wastewater treatment plant serves Saint-Melaine-sur-Aubance in Pays de la Loire, France. It treats wastewater from approximately 6,770 people under EU Urban Waste Water Treatment Directive standards.
Erigne St Melaine is a wastewater treatment plant located in Saint-Melaine-sur-Aubance, a commune in the Maine-et-Loire department of Pays de la Loire, France. The plant serves a population of approximately 6,770 people, placing it in the small-to-medium agglomeration category under EU classification. As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates appropriate treatment before discharge into freshwater bodies to protect water quality and ecosystems. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Loire River, one of France's major rivers. The Loire flows westward to the Atlantic Ocean, supporting diverse aquatic life and providing water for agriculture and communities along its course.
Environmental context
The plant discharges into the Aubance River, a tributary of the Loire River. The Loire basin is ecologically significant, hosting diverse fish species and migratory birds. The downstream environment includes the Loire estuary, a dynamic zone where freshwater meets the Atlantic Ocean, supporting rich biodiversity and important fisheries.
Frequently asked questions
The plant is located on D 748 in Saint-Melaine-sur-Aubance, in the Maine-et-Loire department of Pays de la Loire, France.
The plant serves approximately 6,770 people, classifying it as a small-to-medium agglomeration under EU standards.
Treated effluent is discharged into the local watershed, which flows into the Aubance River, a tributary of the Loire River, and eventually reaches the Atlantic Ocean.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size to protect water quality.
Under the EU directive, plants serving 2,000 to 10,000 population equivalent typically require secondary treatment, which includes biological processes to reduce organic matter and nutrients.
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