Overview
ST JUST MALMONT Roche Moulin is a wastewater treatment plant serving Saint-Just-Malmont, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ST JUST MALMONT Roche Moulin is a wastewater treatment facility located in Saint-Just-Malmont, a commune in the Haute-Loire department of the Auvergne-Rhône-Alpes region in central France. The plant serves a population of approximately 8,121 people, classifying it as a medium-sized agglomeration under European Union regulations. As a plant in France, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges to freshwater and estuaries from agglomerations of this size. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas, such as those prone to eutrophication. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Loire River basin. The Loire is France's longest river and flows into the Atlantic Ocean, supporting diverse aquatic ecosystems and providing water for agriculture and human use. Proper treatment at this plant helps protect downstream water quality and ecological health.
Environmental context
The plant discharges into the Loire River basin, which flows through central France before reaching the Atlantic Ocean. The Loire is known for its diverse fish populations, including Atlantic salmon and European eel, and supports extensive riparian habitats. The watershed is ecologically sensitive, with several areas designated for conservation under national and European frameworks.
Frequently asked questions
The plant is located in Saint-Just-Malmont, a commune in the Haute-Loire department of the Auvergne-Rhône-Alpes region in central France.
The plant serves approximately 8,121 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which is part of the Loire River basin, ultimately flowing into the Atlantic Ocean.
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 and may require advanced treatment if the receiving waters are sensitive.
Under the EU Urban Waste Water Treatment Directive, plants serving between 2,000 and 10,000 population equivalent typically require secondary treatment, which includes biological treatment to reduce organic matter and suspended solids.
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