Overview
LAISSAC wastewater treatment plant in Laissac-Sévérac l'Église, Occitanie, France, serves 2,227 people with secondary treatment. It discharges 397.29 m³/day of treated water into the local watershed.
LAISSAC is a municipal wastewater treatment plant located in Laissac-Sévérac l'Église, a commune in the Aveyron department of Occitanie, southern France. The plant serves a population of approximately 2,227 residents, classifying it as a small agglomeration under French and EU regulations. The facility provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for inland plants serving populations between 2,000 and 10,000. The plant has a designed capacity of 2,800 m³/day and currently treats an average daily flow of 397.29 m³, indicating ample reserve capacity for future growth. Treated effluent from LAISSAC is discharged into the local river system, which ultimately drains into the Garonne basin and the Atlantic Ocean. The plant plays a key role in protecting the water quality of the Aveyron River and its tributaries, supporting aquatic life and downstream uses such as agriculture and recreation.
Environmental context
The plant discharges into the Aveyron River watershed, a tributary of the Tarn River, which flows into the Garonne and eventually the Atlantic Ocean. The region supports diverse aquatic ecosystems, including fish species such as brown trout and European eel. The plant's secondary treatment helps reduce organic pollution and nutrient loads, safeguarding water quality in this ecologically sensitive area.
Frequently asked questions
LAISSAC is located in Laissac-Sévérac l'Église, a commune in the Aveyron department of Occitanie, southern France. The address is D 622, Molenes, Laissac, Laissac-Sévérac l'Église, Rodez, Aveyron, Occitanie, France.
The plant serves approximately 2,227 residents, classifying it as a small agglomeration under EU regulations.
Treated effluent is discharged into the local river system within the Aveyron River watershed, which flows into the Tarn and Garonne rivers before reaching the Atlantic Ocean.
LAISSAC provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for inland plants serving populations between 2,000 and 10,000.
As a French plant, LAISSAC operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into French law. The directive mandates secondary treatment for agglomerations of this size, with compliance monitored by local authorities.
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