Overview
MONTBONNOT SAINT MARTIN _ SIzOV 2 Innovallee is a wastewater treatment plant in Meylan, Auvergne-Rhône-Alpes, France, serving approximately 20,300 people. It operates under the EU Urban Waste Water Treatment Directive.
MONTBONNOT SAINT MARTIN _ SIzOV 2 Innovallee is a wastewater treatment plant located in Meylan, within the Grenoble metropolitan area in the Auvergne-Rhône-Alpes region of France. The plant serves a population of approximately 20,300, placing it in the medium agglomeration category under EU classification. As a French facility, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas, such as those prone to eutrophication. The plant's treated effluent is discharged into the Isère River, a major tributary of the Rhône River. The Rhône flows into the Mediterranean Sea, making this plant part of a large transboundary river basin. The Isère supports diverse aquatic life and is an important corridor for migratory fish species.
Environmental context
The plant discharges into the Isère River, which flows into the Rhône River and ultimately reaches the Mediterranean Sea. The Isère watershed supports diverse aquatic ecosystems, including fish species such as brown trout and grayling. Downstream, the Rhône delta is an ecologically sensitive area with extensive wetlands and bird habitats. The plant's treatment performance is critical to maintaining water quality in this interconnected river system.
Frequently asked questions
The plant is located in Meylan, in the Auvergne-Rhône-Alpes region of France, along the banks of the Isère River near Grenoble.
The plant serves approximately 20,300 people, classifying it as a medium-sized agglomeration under EU standards.
The treated wastewater is discharged into the Isère River, which flows into the Rhône River and eventually reaches the Mediterranean Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size discharging into freshwater.
Under the EU Urban Waste Water Treatment Directive, plants serving 10,000 to 150,000 people typically require secondary treatment, with tertiary treatment if discharging into sensitive areas.
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