Overview
PRIVAS Gratenas wastewater treatment plant serves the city of Privas in Auvergne-Rhône-Alpes, France. It handles a population equivalent of approximately 20,230 under the EU Urban Waste Water Treatment Directive.
PRIVAS Gratenas is a municipal wastewater treatment plant located in Privas, within the Ardèche department of the Auvergne-Rhône-Alpes region in southeastern France. The facility serves a population equivalent of around 20,230, classifying it as a medium-sized agglomeration under EU regulations. As a French plant, it 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 more stringent treatment if the receiving waters are designated as sensitive areas, which is common in the Rhône basin. The plant discharges treated effluent into the Ouvèze River, a tributary of the Rhône River, which flows into the Mediterranean Sea. This water body supports diverse aquatic life and is part of a broader watershed that includes agricultural and natural areas, making effective treatment essential for downstream ecological health.
Environmental context
The plant discharges into the Ouvèze River, which flows into the Rhône River and ultimately reaches the Mediterranean Sea. The Rhône basin is a major European watershed supporting diverse ecosystems, including migratory fish species and wetlands. Effective wastewater treatment is critical to prevent nutrient enrichment and protect aquatic habitats in this ecologically sensitive region.
Frequently asked questions
PRIVAS Gratenas is located at Chemin du Ranc, Privas, Ardèche, Auvergne-Rhône-Alpes, France.
The plant serves a population equivalent of approximately 20,230 people.
The treated effluent is discharged into the Ouvèze River, a tributary of the Rhône River, which flows to the Mediterranean Sea.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 100,000 population equivalent typically require secondary treatment, with tertiary treatment if discharging into sensitive areas.
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