Overview
MISSILLAC Les Petits Herbets is an advanced wastewater treatment plant in Missillac, Pays de la Loire, France, serving 2,200 people with a designed capacity of 2,700 m³/day.
MISSILLAC Les Petits Herbets is a wastewater treatment plant located in Missillac, a commune in the Loire-Atlantique department of Pays de la Loire, France. The plant serves a population of approximately 2,200 residents and has a designed capacity of 2,700 cubic meters per day, with an average discharge volume of 392.48 cubic meters per day. The plant employs advanced treatment processes, which go beyond the secondary treatment 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 Atlantic Ocean via the Loire estuary. The plant's proximity to the coast (within 10 km) underscores the importance of advanced treatment in safeguarding coastal water quality and marine ecosystems.
Environmental context
The plant discharges into the local watershed, which flows into the Loire River and then the Atlantic Ocean. The Loire estuary is a dynamic and ecologically sensitive area that supports diverse aquatic life, including migratory fish species. Advanced treatment helps minimize nutrient and pollutant loads, protecting downstream habitats and coastal water quality.
Frequently asked questions
The plant is located at Rue des Platanes, Les Peupliers, Missillac, in the Loire-Atlantique department of Pays de la Loire, France.
The plant serves approximately 2,200 residents in the Missillac area.
The treated effluent is discharged into the local watershed, which flows into the Loire River and eventually the Atlantic Ocean.
Under the EU UWWTD, agglomerations with a population equivalent between 2,000 and 10,000 require secondary treatment. MISSILLAC Les Petits Herbets provides advanced treatment, exceeding the directive's minimum requirements.
In France, plants serving this population size typically employ secondary treatment as a minimum. Advanced treatment is used in sensitive areas to reduce nutrient pollution, particularly in coastal zones.
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