Overview
Portiragnes wastewater treatment plant serves approximately 28,856 people in Occitanie, France. It is located near the Mediterranean coast and operates under EU Urban Waste Water Treatment Directive standards.
The Portiragnes wastewater treatment plant is a municipal facility serving the town of Portiragnes in the Occitanie region of southern France. Located in the Hérault department, the plant handles wastewater for a population of around 28,856 residents, placing it in the medium agglomeration category under EU regulations. As a French plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day or population equivalent), indicating it is sized to handle the local load. Compliance with the directive ensures adequate treatment before discharge. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Mediterranean Sea. The region's coastal environment is ecologically sensitive, supporting diverse marine life and tourism. Proper treatment is essential to protect water quality in the nearby coastal lagoons and bathing areas.
Environmental context
The plant discharges into the local drainage network that flows into the Mediterranean Sea near the Gulf of Lion. This coastal area supports seagrass meadows and fish nurseries, making nutrient and pathogen removal critical. The region's karstic geology and seasonal tourism add pressure on water resources, requiring effective treatment to prevent eutrophication and safeguard recreational waters.
Frequently asked questions
The plant is located at Chemin de la Carrière du Grand Salan, Portiragnes, in the Hérault department of Occitanie, southern France.
The plant serves approximately 28,856 people, classifying it as a medium-sized agglomeration under EU regulations.
Treated effluent is discharged into the local watershed, which flows into the Mediterranean Sea near the Gulf of Lion.
Under the EU UWWTD (91/271/EEC), agglomerations of this size (10,000-100,000 population equivalent) require secondary treatment. The plant is expected to comply with this standard.
French plants of this scale typically employ secondary biological treatment, often with nutrient removal to protect sensitive coastal waters, in line with EU directives.
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