Overview
CESSENON wastewater treatment plant in Cessenon-sur-Orb, Occitanie, France, serves 1,900 people with advanced treatment. It discharges 338.96 m³/day and has a designed capacity of 2,900 m³/day.
The CESSENON wastewater treatment plant is located in Cessenon-sur-Orb, a commune in the Hérault department of Occitanie, southern France. It serves a population of approximately 1,900 residents and operates with advanced treatment processes to ensure high-quality effluent. The plant has a designed capacity of 2,900 m³/day and currently discharges an average of 338.96 m³/day of treated wastewater. As a French facility, it operates under the national regulations transposing the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for sensitive areas and secondary treatment for all agglomerations above 2,000 population equivalent. The treated effluent is discharged into the local watershed, which ultimately drains into the Orb River and then into the Mediterranean Sea. The plant plays a key role in protecting the Orb River's water quality and the downstream coastal environment, supporting aquatic life and recreational uses.
Environmental context
The plant discharges into the Orb River basin, which flows through the Hérault department and empties into the Mediterranean Sea near Valras-Plage. The Orb River supports diverse aquatic ecosystems and is used for irrigation and recreation. The advanced treatment helps minimize nutrient and pollutant loads, protecting the sensitive coastal lagoon and marine habitats downstream.
Frequently asked questions
The CESSENON plant is located at Chemin du Moulin Neuf, Cessenon-sur-Orb, in the Hérault department of Occitanie, southern France.
The plant serves approximately 1,900 residents of Cessenon-sur-Orb and surrounding areas.
The treated effluent is discharged into the local watercourse, which flows into the Orb River and eventually reaches the Mediterranean Sea.
The plant provides advanced treatment, which includes nutrient removal to protect sensitive receiving waters, in line with French regulations under the EU Urban Waste Water Treatment Directive.
As a French wastewater facility, it operates under national laws transposing the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for discharges into sensitive areas like the Mediterranean coastal zone.
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