Overview
Maraussan wastewater treatment plant serves 4,600 people in Occitanie, France, with secondary treatment. It discharges 820.63 m³/day and has a designed capacity of 5,000 m³/day.
The Maraussan wastewater treatment plant is located in the commune of Maraussan, within the Hérault department of Occitanie, southern France. It serves a population of approximately 4,600 residents, placing it in the small agglomeration category under French and EU regulations. The plant operates with secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. It has a designed capacity of 5,000 m³/day and currently treats an average daily flow of 820.63 m³/day, indicating significant spare capacity. The treated effluent is discharged into a local watercourse that ultimately drains into the Mediterranean Sea via the Orb River or its tributaries. The plant plays a key role in protecting the region's water quality, supporting both local ecosystems and downstream coastal environments.
Environmental context
The plant discharges into a small river system within the Orb basin, which flows into the Mediterranean Sea near Béziers. The downstream environment includes sensitive coastal lagoons and marine habitats that depend on good water quality. Effective treatment helps prevent nutrient pollution and protects aquatic life in the Orb River and the Gulf of Lion.
Frequently asked questions
The plant is located on Route de Tabarka in Maraussan, near Béziers, in the Hérault department of Occitanie, southern France.
The plant serves approximately 4,600 residents, classifying it as a small agglomeration under EU wastewater regulations.
The treated effluent is discharged into a local watercourse within the Orb River basin, which flows into the Mediterranean Sea.
The plant provides secondary treatment, meeting the minimum EU requirement for freshwater discharges from agglomerations of its size.
As a French plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for such agglomerations.
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