Overview
ANDREST wastewater treatment plant serves Talazac, France, with secondary treatment for a population of 2,600. It discharges 463.84 cubic meters of treated effluent daily.
ANDREST is a municipal wastewater treatment plant located in Talazac, within the Occitanie region of southern France. The facility serves a population of approximately 2,600 people, making it a small agglomeration under EU classification. It is situated near Tarbes in the Hautes-Pyrénées department. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. The designed capacity is 2,200 cubic meters per day, and the current discharge volume is 463.84 cubic meters per day, indicating operational headroom. Treated effluent from ANDREST is discharged into local waterways that eventually drain into the Adour River basin, flowing toward the Bay of Biscay. The plant plays a key role in protecting the region's water quality, supporting both agricultural and ecological needs in the Adour watershed.
Environmental context
The plant discharges into the Adour River basin, which flows through southwestern France before reaching the Bay of Biscay. The downstream environment includes diverse aquatic habitats that support species such as Atlantic salmon and European eel. The Adour estuary is an ecologically sensitive area, serving as a nursery for marine fish and a stopover for migratory birds.
Frequently asked questions
ANDREST is located in Talazac, a commune in the Hautes-Pyrénées department of the Occitanie region in southern France. The address is Chemin Vicinal de Lassalle, Talazac, near Tarbes.
The plant serves a population of approximately 2,600 people, classifying it as a small agglomeration under EU wastewater treatment regulations.
The plant discharges treated effluent into local waterways that are part of the Adour River basin, which ultimately flows into the Bay of Biscay.
ANDREST provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
As a French plant serving fewer than 10,000 people, ANDREST operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for freshwater discharges. French enforcement is handled by local water agencies and the Ministry of Ecological Transition.
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