Overview
PUYLAURENS wastewater treatment plant in Puylaurens, Occitanie, France, serves 1,458 people with advanced treatment and a designed capacity of 4,000 m³/day.
The PUYLAURENS wastewater treatment plant is located in Puylaurens, a commune in the Tarn department of the Occitanie region in southern France. It serves a population of approximately 1,458 people, classifying it as a small agglomeration under French regulations. 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 inland agglomerations of this size. Its designed capacity is 4,000 m³/day, with a current discharge volume of 260.10 m³/day, indicating ample reserve capacity. Treated effluent is discharged into the local watershed, which ultimately drains into the Tarn River and then the Garonne River, contributing to the Garonne basin. This region supports diverse aquatic life and is important for downstream water quality in the Garonne estuary and the Atlantic Ocean.
Environmental context
The plant discharges into the Tarn River basin, part of the larger Garonne drainage system that flows into the Atlantic Ocean via the Gironde estuary. The Tarn River supports diverse aquatic species and is ecologically sensitive, particularly downstream where water quality affects migratory fish populations and estuarine habitats.
Frequently asked questions
The plant is located at Rue René Cassin, Le Drétgenq Hameau, Puylaurens, in the Tarn department of the Occitanie region, France.
The plant serves approximately 1,458 people, classifying it as a small agglomeration under French and EU regulations.
The plant provides advanced treatment, which includes nutrient removal and disinfection, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive.
Under the EU UWWTD, agglomerations with a population equivalent (PE) between 2,000 and 10,000 require secondary treatment. Although PUYLAURENS serves fewer than 2,000 people, France applies advanced treatment to protect sensitive water bodies.
The plant has a designed capacity of 4,000 m³/day, with a current average discharge of 260.10 m³/day, indicating significant reserve capacity for future growth.
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