ORGON Wastewater Treatment Plant, Orgon, France

The ORGON wastewater treatment plant is located in Orgon, a commune in the Bouches-du-Rhône department of the Provence-Alpes-Côte d'Azur region in southern France. It serves a population of approximately 2,393 people, classifying it as a small agglomeration under French and EU regulations. The plant provides 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. With a designed capacity of 3,000 m³/day and an average daily flow of 426.91 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Rhône River and then the Mediterranean Sea. The plant plays a key role in protecting the water quality of the region's rivers and the coastal environment of the Camargue delta, a ecologically significant area.

The ORGON plant discharges into the local drainage network that feeds the Durance River, a major tributary of the Rhône. The Rhône flows into the Mediterranean Sea via the Camargue delta, a vast wetland of international ecological importance. The plant's secondary treatment helps reduce organic pollution and protect downstream aquatic habitats, including fish spawning grounds and migratory bird corridors.