Overview
CHATEAU DU LOIR wastewater treatment plant in Montval-sur-Loir, Pays de la Loire, France, serves 4,377 people with advanced treatment and a designed capacity of 8,000 m³/day, discharging 780.85 m³/day.
The CHATEAU DU LOIR wastewater treatment plant is located in Montval-sur-Loir, within the Pays de la Loire region of France. It serves a population of approximately 4,377 people, classifying it as a small to medium agglomeration under French and EU regulations. The plant is situated inland, away from coastal areas, and its operations are part of the local municipal wastewater infrastructure. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 8,000 m³/day and an actual discharge volume of 780.85 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The advanced treatment ensures high-quality effluent suitable for discharge into sensitive environments. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River basin. The Loire is one of France's major rivers, flowing into the Atlantic Ocean. The plant's advanced treatment helps protect the ecological health of the receiving water bodies, supporting aquatic life and downstream water quality in this agriculturally and ecologically important region.
Environmental context
The plant discharges into the Loire River basin, which flows through the Pays de la Loire region and empties into the Atlantic Ocean. The Loire is known for its diverse aquatic ecosystems and supports migratory fish species such as salmon and eels. The advanced treatment at this plant helps reduce nutrient loads and pollutants, protecting the river's ecological balance and downstream environments, including the Loire estuary.
Frequently asked questions
The plant is located in Montval-sur-Loir, in the Pays de la Loire region of France, at the address Étrier castélorien, Chemin de Bannes, Château-du-Loir.
The plant serves approximately 4,377 people, classifying it as a small to medium agglomeration under French and EU wastewater regulations.
The plant uses advanced treatment processes, which provide a higher level of pollutant removal than standard secondary treatment, ensuring high-quality effluent for discharge.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 people, and advanced treatment in sensitive areas.
The plant discharges into the Loire River basin, a major waterway flowing to the Atlantic Ocean. Its advanced treatment helps protect aquatic ecosystems and downstream water quality.
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