Overview
GRAMAT wastewater treatment plant serves Gramat, Occitanie, France, with a population equivalent of 12,750. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for inland communities.
The GRAMAT wastewater treatment plant is located in Gramat, a commune in the Lot department of Occitanie, southern France. Serving a population equivalent of 12,750, the facility is part of the region's municipal wastewater infrastructure, handling domestic sewage from the town and surrounding areas. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this scale (between 10,000 and 15,000 population equivalent) are required to provide secondary treatment or equivalent. The plant's design and operation align with these standards, ensuring effective biological treatment before discharge. French water agencies oversee compliance through national regulations transposing the directive. The treated effluent is discharged into a local watercourse that flows into the Dordogne River basin, eventually reaching the Atlantic Ocean via the Gironde estuary. The receiving waters support diverse aquatic life and are part of a region known for its karst landscapes and sensitive groundwater resources. The plant plays a key role in protecting downstream ecosystems from nutrient pollution.
Environmental context
The GRAMAT plant discharges into a tributary of the Dordogne River, which flows westward through the Aquitaine region to the Gironde estuary and the Atlantic Ocean. The Dordogne basin is ecologically significant, supporting migratory fish species such as salmon and eels, and is part of a broader network of rivers in the Massif Central foothills. The karst geology of the area makes groundwater particularly vulnerable to contamination, so effective wastewater treatment is critical for protecting both surface and subsurface water quality.
Frequently asked questions
The GRAMAT plant is located on Route des Jonquilles in Gramat, in the Lot department of Occitanie, southern France.
The plant serves a population equivalent of 12,750, covering the town of Gramat and surrounding areas.
The plant discharges into a tributary of the Dordogne River, which flows to the Gironde estuary and the Atlantic Ocean, protecting downstream aquatic ecosystems.
Under the EU UWWTD, agglomerations of 10,000-15,000 PE like Gramat require secondary treatment. The plant is designed to meet these standards, with oversight from French water agencies.
For this scale, French plants typically employ secondary biological treatment (activated sludge or similar) to reduce organic matter and nutrients before discharge into inland waters.
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