Overview
SAINT MEDARD D EYRANS is an advanced wastewater treatment plant in Quinsac, Nouvelle-Aquitaine, France, serving approximately 3,983 people with a designed capacity of 3,700 m³/day.
SAINT MEDARD D EYRANS is an advanced wastewater treatment plant located in Quinsac, within the Bordeaux metropolitan area of Nouvelle-Aquitaine, France. The facility serves a population of approximately 3,983 and has a designed capacity of 3,700 m³/day, with a current discharge volume of 710.56 m³/day. As an advanced treatment plant, it goes beyond secondary treatment to remove nutrients and other pollutants, meeting stringent standards under the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size (under 10,000 population equivalent), the directive typically requires secondary treatment, but the plant's advanced status indicates it operates in a sensitive area or under local requirements. The plant discharges treated effluent into the Garonne River, which flows through Bordeaux and into the Gironde estuary, eventually reaching the Atlantic Ocean. The Garonne is a major river supporting diverse aquatic life and providing drinking water for the region. The advanced treatment helps protect the estuary's ecological balance and downstream water quality.
Environmental context
The plant discharges into the Garonne River, a major watercourse that flows through the Gironde estuary to the Atlantic Ocean. The Garonne supports a rich ecosystem, including migratory fish species such as salmon and sturgeon. The advanced treatment level helps reduce nutrient loading, protecting the estuary from eutrophication and maintaining water quality for downstream communities and habitats.
Frequently asked questions
The plant is located in Quinsac, a commune in the Gironde department of Nouvelle-Aquitaine, France, near Bordeaux.
The plant serves approximately 3,983 people, classifying it as a small agglomeration under EU wastewater directives.
The plant discharges treated effluent into the Garonne River, which flows into the Gironde estuary and then the Atlantic Ocean.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, meeting stringent EU standards for sensitive areas.
Under the EU UWWTD, agglomerations under 10,000 population equivalent typically require secondary treatment. The plant's advanced status suggests it serves a sensitive area or meets local requirements for higher effluent quality.
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