Overview
The Saint Paul Trois Chateaux wastewater treatment plant serves approximately 13,700 residents in Saint-Paul-Trois-Châteaux, Auvergne-Rhône-Alpes, France. It operates under the EU Urban Waste Water Treatment Directive.
The Saint Paul Trois Chateaux wastewater treatment plant is located in Saint-Paul-Trois-Châteaux, a commune in the Drôme department of the Auvergne-Rhône-Alpes region in southeastern France. The plant serves a population of approximately 13,723 people, classifying it as a medium-sized agglomeration under EU regulations. As a French wastewater facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The directive also requires appropriate treatment before discharge into freshwater or coastal waters, with more stringent tertiary treatment if the receiving waters are designated as sensitive areas. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Rhône River, one of Europe's major rivers. The Rhône flows southward into the Mediterranean Sea, supporting diverse aquatic ecosystems along its course. The plant plays a key role in protecting water quality in this ecologically significant basin.
Environmental context
The plant discharges into the local watershed that feeds the Rhône River, a major European waterway flowing into the Mediterranean Sea. The Rhône basin supports diverse aquatic life and is an important migratory corridor for fish species. Protecting water quality in this region helps maintain the ecological health of both the river and the Mediterranean coastal zone.
Frequently asked questions
The plant is located in Saint-Paul-Trois-Châteaux, a commune in the Drôme department of the Auvergne-Rhône-Alpes region in southeastern France.
The plant serves approximately 13,723 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which ultimately drains into the Rhône River and then into the Mediterranean Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size and may require tertiary treatment if the receiving waters are sensitive.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 people are required to have at least secondary treatment. In France, these plants are also subject to national regulations that align with the directive.
Nearby plants