Overview
VIVIEZ wastewater treatment plant serves Viviez, Occitanie, France, treating wastewater for approximately 21,072 people. It operates under the EU Urban Waste Water Treatment Directive.
VIVIEZ is a wastewater treatment plant located in Viviez, a commune in the Aveyron department of Occitanie, southern France. The plant serves a population of approximately 21,072, placing it in the medium agglomeration category under EU regulations. It is situated in the Lot River basin, an area characterized by rolling hills and agricultural landscapes. As a French facility, VIVIEZ is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The directive also requires more advanced treatment if the discharge enters sensitive areas. The plant is expected to meet these standards to protect local water quality. The treated effluent from VIVIEZ likely discharges into a tributary of the Lot River, which flows westward to join the Garonne River and eventually reaches the Atlantic Ocean via the Gironde estuary. The Lot River supports diverse aquatic life and is used for recreation and agriculture, making effective wastewater treatment essential for maintaining ecological health.
Environmental context
VIVIEZ discharges into the Lot River basin, part of the larger Garonne watershed that drains into the Atlantic Ocean. The Lot River is a significant watercourse in southern France, supporting fish populations such as trout and grayling. Downstream, the river flows through agricultural and rural areas before joining the Garonne, which is ecologically important for migratory fish like salmon and eels. Effective treatment at VIVIEZ helps prevent nutrient pollution and protects these downstream ecosystems.
Frequently asked questions
The VIVIEZ plant is located in Viviez, a commune in the Aveyron department of Occitanie, southern France. Its address is Cass Auto du Bassin, Chemin des Granges, ZA des Granges, Viviez.
The VIVIEZ plant serves approximately 21,072 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated wastewater from VIVIEZ is discharged into the Lot River basin, which flows into the Garonne River and eventually reaches the Atlantic Ocean.
VIVIEZ operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size and potentially tertiary treatment if discharging into sensitive areas.
In France, plants serving approximately 21,000 people typically provide secondary biological treatment, such as activated sludge or biofiltration, to meet EU standards for organic matter and nutrient removal.
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