Overview
Soyons wastewater treatment plant in Auvergne-Rhône-Alpes, France, serves 1,744 people with advanced treatment. It discharges 311.13 m³/day and has a designed capacity of 2,000 m³/day.
The Soyons wastewater treatment plant is located in the commune of Soyons, within the Ardèche department of the Auvergne-Rhône-Alpes region in southeastern France. This facility serves a population of approximately 1,744 residents, placing it in the small agglomeration category under French regulations. 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. With a designed capacity of 2,000 m³/day and an average daily discharge of 311.13 m³/day, 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 Rhône River, one of Europe's major waterways. The Rhône flows southward through the Camargue delta into the Mediterranean Sea. The advanced treatment helps protect the Rhône's water quality and the diverse aquatic ecosystems it supports, including fish species and migratory birds.
Environmental context
The plant discharges into the Rhône River basin, which flows through the Camargue region before reaching the Mediterranean Sea. The Rhône supports a rich biodiversity, including fish like the European eel and migratory birds. Advanced treatment reduces nutrient loads, helping to prevent eutrophication in downstream waters and the coastal zone.
Frequently asked questions
The Soyons wastewater treatment plant is located in the commune of Soyons, in the Ardèche department of the Auvergne-Rhône-Alpes region in southeastern France.
The plant serves approximately 1,744 residents, classifying it as a small agglomeration under French and EU regulations.
The treated effluent is discharged into the local watershed, which flows into the Rhône River. The Rhône ultimately reaches the Mediterranean Sea via the Camargue delta.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for small agglomerations.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 population equivalent. The plant's advanced treatment goes beyond this requirement.
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