Overview
Sussargues wastewater treatment plant serves 1,800 people in Occitanie, France, with secondary treatment. It discharges 321.12 m³/day and is located within 10 km of the Mediterranean coast.
The Sussargues wastewater treatment plant is located in the commune of Sussargues, part of the Montpellier metropolitan area in the Hérault department of Occitanie, southern France. The facility serves a population of approximately 1,800 residents and operates as a secondary treatment plant, reflecting the scale of this small agglomeration. As a French wastewater treatment plant serving fewer than 2,000 people, Sussargues falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges into freshwater and estuaries. The plant has a designed capacity of 2,000 m³/day and currently treats an average daily flow of 321.12 m³, indicating significant spare capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Mediterranean Sea via the coastal rivers of the Hérault region. The proximity to the coast (within 10 km) means the discharge may affect sensitive coastal ecosystems, including seagrass meadows and marine biodiversity, making proper treatment essential.
Environmental context
The plant discharges into the Mediterranean coastal watershed near the Gulf of Lion. The receiving environment includes small coastal streams that flow into the Mediterranean Sea, an ecologically sensitive area supporting diverse marine life, including seagrass beds and fish nurseries. The proximity to the coast underscores the importance of secondary treatment to protect coastal water quality and prevent eutrophication.
Frequently asked questions
The plant is located at Rue des Pouderouzes in Sussargues, a commune in the Hérault department of Occitanie, southern France, near Montpellier.
The plant serves approximately 1,800 residents of Sussargues and surrounding areas.
The treated effluent is discharged into local watercourses that drain into the Mediterranean Sea, given the plant's location within 10 km of the coast.
The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for discharges into freshwater and estuaries for agglomerations of this size.
As a French plant serving fewer than 2,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for sensitive areas and coastal zones. French regulations implement this directive through national water laws.
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