Overview
Rabastens wastewater treatment plant in Occitanie, France, serves about 4,591 people with secondary treatment. It discharges 819.03 m³/day and has a designed capacity of 3,800 m³/day.
The Rabastens wastewater treatment plant is located in the town of Rabastens, in the Occitanie region of southern France. It serves a population of approximately 4,591 residents, classifying it as a small agglomeration under French and EU regulations. 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. Its designed capacity is 3,800 m³/day, and the current discharge volume is 819.03 m³/day, indicating operational headroom. The treated effluent is discharged into the Tarn River, which flows through the Occitanie region and eventually joins the Garonne River near Bordeaux, ultimately reaching the Atlantic Ocean. The plant plays a key role in protecting the Tarn River's water quality and supporting downstream aquatic ecosystems.
Environmental context
The plant discharges into the Tarn River, a tributary of the Garonne River, which flows into the Gironde estuary and the Atlantic Ocean. The Tarn River supports diverse aquatic life and is used for recreation and agriculture. Secondary treatment helps reduce organic pollutants and nutrients, protecting the river's ecological health and downstream water bodies.
Frequently asked questions
The plant is located at Rue du Père Gasc, Rabastens, in the Tarn department of Occitanie, France.
The plant serves approximately 4,591 residents, classifying it as a small agglomeration under EU regulations.
The treated effluent is discharged into the Tarn River, which flows through Occitanie and eventually reaches the Atlantic Ocean via the Garonne River.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
The plant has a designed capacity of 3,800 m³ per day, with a current discharge volume of 819.03 m³ per day, indicating spare capacity.
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