Overview
BENECHOU wastewater treatment plant serves Olemps, France, in the Occitanie region. It handles a population equivalent of 84,165 and operates under the EU Urban Waste Water Treatment Directive.
BENECHOU is a wastewater treatment plant located in Olemps, a commune in the Aveyron department of Occitanie, southern France. The plant serves a population equivalent of 84,165, classifying it as a medium-to-large agglomeration under EU regulations. Its location near Rodez places it within a region characterized by mixed urban and agricultural land use. As a French facility, BENECHOU operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. For sensitive areas, tertiary treatment may be mandated to reduce nutrient loads. The plant's treatment processes align with national standards set by the French Ministry of Ecology, with oversight from local water agencies. The plant discharges treated effluent into the local watershed, which ultimately drains into the Aveyron River, a tributary of the Tarn River, and then into the Garonne River before reaching the Atlantic Ocean via the Gironde estuary. This downstream chain supports diverse aquatic ecosystems and is important for regional water quality management.
Environmental context
The treated effluent from BENECHOU enters the local watercourse, which flows into the Aveyron River, a tributary of the Tarn River. The Tarn joins the Garonne River, which empties into the Atlantic Ocean through the Gironde estuary. This watershed supports a variety of freshwater species and is ecologically sensitive to nutrient pollution, particularly from phosphorus and nitrogen, which can impact downstream water quality and estuarine habitats.
Frequently asked questions
BENECHOU is located in Olemps, a commune in the Aveyron department of the Occitanie region in southern France. Its address is Rue du Moulin, Le Bourg, Olemps, 12510.
BENECHOU serves a population equivalent of 84,165, classifying it as a medium-to-large agglomeration under the EU Urban Waste Water Treatment Directive.
The plant discharges treated effluent into the local watercourse, which flows into the Aveyron River, a tributary of the Tarn River, and eventually reaches the Atlantic Ocean via the Garonne River and Gironde estuary.
As a French facility, BENECHOU operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 PE and tertiary treatment in sensitive areas. National enforcement is handled by French water agencies.
Under the EU Urban Waste Water Treatment Directive, plants serving over 15,000 PE in sensitive areas require tertiary treatment (nutrient removal). For non-sensitive areas, secondary treatment is standard. French regulations often require advanced treatment to protect water bodies like the Aveyron River.
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