Overview
COLOMBIERS wastewater treatment plant in Colombiers, Occitanie, France serves 3,800 people with advanced treatment. It discharges 677.91 m³/day and has a designed capacity of 3,500 m³/day.
The COLOMBIERS wastewater treatment plant is located in Colombiers, a commune in the Hérault department of Occitanie, southern France. The plant serves a population of approximately 3,800 and operates with advanced treatment processes, reflecting the high standards required for sensitive receiving environments. With a designed capacity of 3,500 m³/day and an average discharge volume of 677.91 m³/day, the plant operates well below its capacity. As a French facility, it complies with the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for discharges into sensitive areas. The plant's advanced treatment level ensures effective removal of nutrients and pollutants. The treated effluent is discharged into local watercourses that ultimately drain into the Mediterranean Sea. The plant plays a crucial role in protecting the regional aquatic ecosystems and supporting the ecological health of the Orb River basin and the Thau lagoon, an important coastal wetland.
Environmental context
The plant discharges into the Orb River basin, which flows into the Mediterranean Sea near the Thau lagoon. This coastal lagoon supports diverse aquatic life, including shellfish farming and migratory bird populations. The advanced treatment helps minimize nutrient loading and protects the sensitive marine and lagoon environments from eutrophication.
Frequently asked questions
The COLOMBIERS plant is located in Colombiers, a commune in the Hérault department of Occitanie, southern France, near the city of Béziers.
The plant serves approximately 3,800 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The treated effluent is discharged into local watercourses within the Orb River basin, which ultimately flows into the Mediterranean Sea.
The plant provides advanced treatment, which includes nutrient removal to protect sensitive receiving waters, as required by French regulations implementing the EU Urban Waste Water Treatment Directive.
As a French plant serving a small agglomeration, it must comply with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment as a minimum and advanced treatment for discharges into sensitive areas.
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