CLAIRA nouvelle Wastewater Treatment Plant, Claira, Occitanie, France

CLAIRA nouvelle is a municipal wastewater treatment plant located in Claira, a commune in the Pyrénées-Orientales department of Occitanie, southern France. The plant serves a population of 3,689 and is situated near the city of Perpignan, in a region characterized by a Mediterranean climate and proximity to the coast. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 4,750 m³/day and an average discharge volume of 658.11 m³/day, the facility operates well within its capacity, ensuring effective treatment of wastewater from the local community. The treated effluent is discharged into the local watershed, which ultimately drains into the Mediterranean Sea. The plant's coastal location means its discharge contributes to the ecological health of the Gulf of Lion, a marine area that supports diverse aquatic life and is important for regional fisheries and tourism. Advanced treatment helps minimize nutrient loading and protects sensitive coastal ecosystems.

The plant discharges into the local watershed that flows into the Mediterranean Sea via the Gulf of Lion. This coastal region supports diverse marine life, including seagrass meadows and fish nurseries, and is an important area for migratory birds. The advanced treatment level helps reduce nutrient and pollutant loads, protecting the sensitive coastal environment from eutrophication and other ecological impacts.