SAINT REMY SUR DUROLLE Wastewater Treatment Plant, La Monnerie-le-Montel, Auvergne-Rhône-Alpes

SAINT REMY SUR DUROLLE is a municipal wastewater treatment plant located in La Monnerie-le-Montel, in the Puy-de-Dôme department of Auvergne-Rhône-Alpes, France. It serves a population of approximately 1,439 people, classifying it as a small agglomeration under French and EU regulations. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. The facility has a designed capacity of 7,967 cubic meters per day, with an average daily discharge volume of 256.72 cubic meters, indicating a low utilization rate relative to capacity. The treated effluent is discharged into a local watercourse that ultimately drains into the Loire River basin, contributing to the broader hydrological network of central France. The plant plays a key role in protecting local streams and downstream water quality in the Loire watershed.

The plant discharges into a tributary of the Dore River, which flows into the Allier River and eventually the Loire River, one of France's major waterways. The Loire basin supports diverse aquatic ecosystems, including migratory fish species such as Atlantic salmon and European eel. Secondary treatment helps reduce organic pollution and nutrient loads, safeguarding these downstream habitats.