Overview
REGNY Billard is an advanced wastewater treatment plant in Saint-Symphorien-de-Lay, Auvergne-Rhône-Alpes, France. It serves a population of 2,661 and discharges treated effluent into the local watershed.
REGNY Billard is an advanced wastewater treatment plant located in Saint-Symphorien-de-Lay, within the Auvergne-Rhône-Alpes region of France. The plant serves a population of approximately 2,661 and is part of the municipal infrastructure managed by the local authority. It operates under the French regulatory framework, which implements the EU Urban Waste Water Treatment Directive (91/271/EEC). The plant employs advanced treatment processes, ensuring a high level of pollutant removal. Its designed capacity is 5,870 cubic meters per day, with an average daily discharge volume of 474.72 cubic meters, indicating that the plant operates well below its capacity. This suggests ample headroom for future growth or seasonal variations. The treated effluent is discharged into the Rhins River, a tributary of the Loire River, which flows into the Atlantic Ocean. The plant plays a crucial role in protecting the water quality of the Rhins and Loire watersheds, supporting aquatic life and downstream ecosystems. Its advanced treatment helps minimize nutrient loading and other pollutants, contributing to the ecological health of the region.
Environmental context
The plant discharges into the Rhins River, which flows into the Loire River, one of France's major waterways, ultimately reaching the Atlantic Ocean. The Loire basin supports diverse aquatic habitats and is an important corridor for migratory fish species. Advanced treatment at this plant helps reduce nutrient and pollutant loads, protecting the ecological integrity of the river system.
Frequently asked questions
REGNY Billard is located in Saint-Symphorien-de-Lay, in the Auvergne-Rhône-Alpes region of France, near the Rhins River.
The plant serves a population of approximately 2,661 people.
Treated wastewater is discharged into the Rhins River, a tributary of the Loire River, which flows to the Atlantic Ocean.
The plant provides advanced treatment, which goes beyond secondary treatment to remove nutrients and other pollutants, ensuring high effluent quality.
As a French plant serving a population under 10,000, it operates under the EU Urban Waste Water Treatment Directive, which requires appropriate treatment based on the sensitivity of the receiving waters. Advanced treatment is typical for plants discharging into sensitive areas.
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