DIAMANT DIZAC Wastewater Treatment Plant, Le Diamant, Martinique

DIAMANT DIZAC is a municipal wastewater treatment plant located in Le Diamant, on the Caribbean island of Martinique, an overseas department of France. The plant serves a population of approximately 3,815 residents, placing it in the small agglomeration category under French and EU regulations. The facility provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into coastal waters. The plant has a designed capacity of 3,200 m³/day and currently treats an average daily flow of 680.59 m³/day. As a French facility, it operates under national transposition of EU directives, with oversight from the local water agency and prefectural authorities. The treated effluent is discharged into the Caribbean Sea, a sensitive marine environment that supports coral reefs, seagrass beds, and diverse marine life. The plant's coastal location necessitates careful management to protect bathing waters and coastal ecosystems, which are vital for tourism and local fisheries.

The plant discharges into the Caribbean Sea near Le Diamant, a coastal area known for its beaches and coral reefs. The receiving waters are part of the wider Caribbean basin, which supports diverse marine ecosystems including sea turtles, fish, and coral communities. Proper treatment is essential to prevent nutrient enrichment and protect water quality for recreational use and marine biodiversity.