Overview
GALLARDON wastewater treatment plant in Bailleau-Armenonville, Centre-Val de Loire, France, serves about 2,905 people with advanced treatment and a designed capacity of 5,800 m³/day.
The GALLARDON wastewater treatment plant is located in Bailleau-Armenonville, within the Centre-Val de Loire region of France. It serves a population of approximately 2,905 people and operates with advanced treatment processes, reflecting the high standards of French wastewater management. The plant has a designed capacity of 5,800 m³/day and currently discharges 518.25 m³/day of treated effluent. As an advanced treatment facility, 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 treated effluent is discharged into local watercourses that ultimately drain into the Seine River basin and the English Channel. The plant plays a key role in protecting the region's water quality and supporting the ecological health of downstream aquatic environments.
Environmental context
The plant discharges into the local watershed, which is part of the Seine River basin. The Seine flows through Paris and into the English Channel, supporting diverse aquatic life and providing water for agriculture and industry. The advanced treatment helps reduce nutrient loading, protecting downstream ecosystems from eutrophication.
Frequently asked questions
The plant is located in Bailleau-Armenonville, in the Centre-Val de Loire region of France, near the town of Gallardon.
The plant serves approximately 2,905 people, making it a small to medium agglomeration under EU classifications.
The plant uses advanced treatment processes, which include nutrient removal beyond secondary treatment, to meet stringent environmental standards.
The plant discharges into local watercourses that are part of the Seine River basin, ultimately flowing into the English Channel.
As a French plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive, which requires appropriate treatment to protect receiving waters.
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