Grimaud Wastewater Treatment Plant - Provence-Alpes-Côte d'Azur, France

The Grimaud wastewater treatment plant is located in the commune of Grimaud, within the Var department of the Provence-Alpes-Côte d'Azur region in southeastern France. The facility serves an estimated population of 37,407, placing it in the medium agglomeration category under EU classification. Its address along Route de Saint-Tropez places it near the popular coastal area of the French Riviera. As a French wastewater facility serving a population between 10,000 and 100,000, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment as a minimum standard. The plant's location within 50 kilometers of the Mediterranean coast means its treated effluent ultimately drains into the Mediterranean Sea, likely via local watercourses such as the Giscle or other coastal streams. This coastal discharge environment requires careful management to protect marine water quality and sensitive coastal ecosystems, including seagrass meadows and marine habitats typical of the region.

The Grimaud plant discharges into the Mediterranean Sea via local coastal streams in the Gulf of Saint-Tropez area. The receiving waters support diverse marine life, including Posidonia oceanica seagrass meadows, which are ecologically sensitive and provide critical habitat for fish and invertebrates. The watershed is part of the French Mediterranean coastal basin, where nutrient management is important to prevent eutrophication in near-shore waters.