Overview
Rignac bourg is an advanced wastewater treatment plant in Rignac, Occitanie, France, serving a population of 1,117. It discharges 199.27 m³/day of treated effluent.
Rignac bourg is a wastewater treatment plant located in the commune of Rignac, within the Aveyron department of Occitanie, southern France. The plant serves a small population of 1,117 residents, reflecting its role in a rural community. It is situated at 1059 Avenue de Villefranche, near the Brazils area. 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 agglomerations of this size. Its designed capacity is 2,500 m³/day, with an actual discharge volume of 199.27 m³/day, indicating significant spare capacity. As a French facility, it operates under national regulations transposing EU directives, overseen by the local water agency. The treated effluent is discharged into a local watercourse that ultimately drains into the Aveyron River, a tributary of the Tarn, which flows into the Garonne and then the Atlantic Ocean. The plant helps protect the local watershed and downstream aquatic ecosystems from nutrient pollution and pathogens.
Environmental context
The plant discharges into a small stream that feeds the Aveyron River, part of the Garonne basin. This river system supports diverse freshwater life and is important for regional agriculture. The advanced treatment reduces nutrient loads, helping to prevent eutrophication in downstream waters, including the Garonne estuary and the Atlantic coastal zone.
Frequently asked questions
The plant is located at 1059 Avenue de Villefranche, in the Brazils area of Rignac, Aveyron, Occitanie, France.
The plant serves a population of 1,117 residents in the commune of Rignac and surrounding areas.
The treated effluent is discharged into a local stream that flows into the Aveyron River, a tributary of the Tarn, which eventually reaches the Atlantic Ocean via the Garonne.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, in compliance with French regulations and the EU Urban Waste Water Treatment Directive.
The plant has a designed capacity of 2,500 m³ per day, with an average discharge of about 199 m³ per day, indicating ample capacity for future growth.
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