Overview
Montbert 1 La Grambaudiere is an advanced wastewater treatment plant in Montbert, Pays de la Loire, France, serving approximately 2,067 people with a design capacity of 3,000 m³/day.
Montbert 1 La Grambaudiere is an advanced wastewater treatment plant located in Montbert, within the Pays de la Loire region of France. The facility serves a population of approximately 2,067 and has a design capacity of 3,000 cubic meters per day, with an average discharge volume of 368.75 cubic meters per day. As an advanced treatment plant, it goes beyond secondary treatment to remove nutrients and other pollutants, aligning with the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC) for sensitive areas. The plant operates under French national regulations, which implement the directive and mandate appropriate treatment levels based on the receiving environment. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River and then into the Bay of Biscay in the Atlantic Ocean. The plant plays a key role in protecting the water quality of the Loire basin, supporting aquatic ecosystems and downstream uses.
Environmental context
The plant discharges into the Loire River basin, which flows into the Bay of Biscay in the Atlantic Ocean. The Loire is one of France's major rivers, supporting diverse aquatic life and providing water for agriculture and drinking. The advanced treatment helps reduce nutrient loading, protecting downstream ecosystems from eutrophication.
Frequently asked questions
The plant is located at Route de la Grambaudière, La Grambaudière, Montbert, in the Loire-Atlantique department of the Pays de la Loire region, France.
The plant serves approximately 2,067 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The treated effluent is discharged into the local watershed, which flows into the Loire River and eventually reaches the Bay of Biscay in the Atlantic Ocean.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, as required for sensitive areas under the EU Urban Waste Water Treatment Directive.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC) and French national regulations, which mandate appropriate treatment for agglomerations based on population and receiving water sensitivity.
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