Overview
AUSSILLON SIVU des moulins is an advanced wastewater treatment plant in Payrin-Augmontel, Occitanie, France, serving a population of 2,960. It discharges 528.06 m³/day and has a designed capacity of 5,000 m³/day.
AUSSILLON SIVU des moulins is a wastewater treatment plant located in Payrin-Augmontel, a commune in the Tarn department of Occitanie, southern France. The plant serves a population of approximately 2,960 residents, classifying it as a small agglomeration under French and EU regulations. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 5,000 m³/day and an average daily discharge of 528.06 m³, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Tarn River, a tributary of the Garonne, and then into the Atlantic Ocean via the Gironde estuary. The plant's advanced treatment helps protect the sensitive aquatic ecosystems of the Tarn and Garonne basins, supporting biodiversity and water quality downstream.
Environmental context
The plant discharges into the Tarn River basin, which flows into the Garonne River and eventually the Gironde estuary and Atlantic Ocean. The Tarn is known for its diverse aquatic life and supports migratory fish species. Advanced treatment at this plant helps reduce nutrient loading and protect downstream water quality in this ecologically important watershed.
Frequently asked questions
The plant is located at Rue de la Fontaine, Payrin-Augmontel, in the Tarn department of Occitanie, France.
The plant serves approximately 2,960 residents, classifying it as a small agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which flows into the Tarn River, a tributary of the Garonne, and eventually reaches the Atlantic Ocean.
The plant provides advanced treatment, exceeding the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a French plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment based on receiving water sensitivity. The advanced treatment here likely addresses local environmental requirements.
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