Overview
LE LOROUX BOTTEREAU 1 LES BAS PRES is an advanced wastewater treatment plant in Le Loroux-Bottereau, Pays de la Loire, France, serving 4,650 people with a designed capacity of 7,520 m³/day.
LE LOROUX BOTTEREAU 1 LES BAS PRES is an advanced wastewater treatment plant located in Le Loroux-Bottereau, within the Pays de la Loire region of France. It serves a population of 4,650 and has a designed capacity of 7,520 m³/day, with an average discharge volume of 829.55 m³/day. The plant employs advanced treatment processes, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment is typically implemented in sensitive areas to reduce nutrient loads and protect receiving water bodies. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River and then the Atlantic Ocean. The plant's advanced treatment helps safeguard downstream aquatic ecosystems and supports the ecological health of the Loire estuary.
Environmental context
The plant discharges into the Loire River basin, which flows into the Atlantic Ocean via the Loire estuary. The Loire is one of France's major rivers, supporting diverse aquatic life and providing critical habitat for migratory fish such as Atlantic salmon and European eel. Advanced treatment at this plant reduces nutrient pollution, helping to prevent eutrophication in the estuary and coastal waters.
Frequently asked questions
The plant is located at D 104, Le Chemin Noir, Le Loroux-Bottereau, in the Loire-Atlantique department of Pays de la Loire, France.
The plant serves a population of 4,650 people in the Le Loroux-Bottereau area.
The plant provides advanced treatment, which goes beyond secondary treatment to remove additional nutrients and pollutants.
Under the EU UWWTD, agglomerations with a population equivalent (PE) between 2,000 and 10,000 are required to have secondary treatment. This plant, serving 4,650 PE, meets and exceeds that standard with advanced treatment.
The plant has a designed capacity of 7,520 m³ per day, with an average discharge volume of 829.55 m³ per day.
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