Overview
Gruissan wastewater treatment plant serves approximately 33,510 people in the Aude department of southern France. The facility is located within 50 km of the Mediterranean coast, discharging into the local watershed.
The Gruissan wastewater treatment plant is situated in the Occitanie region of southern France, near the Mediterranean coast. It serves a population of around 33,510, placing it in the medium agglomeration category under French and EU regulations. The plant is part of the municipal infrastructure for the Gruissan area, which includes both residential and tourist populations. As a French wastewater facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The regulatory framework ensures that the plant meets national standards for effluent quality before discharge. The plant's treated effluent ultimately reaches the Mediterranean Sea via local watercourses. The coastal environment supports diverse marine life and is important for regional tourism and fisheries. The plant plays a key role in protecting the water quality of the nearby coastal zone and the Gulf of Lion.
Environmental context
The plant discharges into the local watershed that drains into the Mediterranean Sea, specifically the Gulf of Lion. This coastal area supports seagrass meadows and fish nurseries, making it ecologically sensitive. The region's karst geology and seasonal tourism pressures require robust wastewater management to prevent nutrient enrichment and protect bathing water quality.
Frequently asked questions
The Gruissan wastewater treatment plant is located in the Occitanie region of southern France, near the Mediterranean coast in the Aude department.
The plant serves approximately 33,510 people, making it a medium-sized agglomeration under EU classification.
Treated wastewater from the Gruissan plant is discharged into local watercourses that flow into the Mediterranean Sea, specifically the Gulf of Lion.
As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this size.
For medium agglomerations in France, secondary treatment is standard, often with additional nutrient removal in sensitive coastal areas to meet EU standards.
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