Overview
CAYENNE Quartier zephir is an advanced wastewater treatment plant in Cayenne, French Guiana, serving 1,440 people. It discharges treated wastewater near the coast, with a designed capacity of 2,000 m³/day.
CAYENNE Quartier zephir is a wastewater treatment plant located in the Zéphir district of Cayenne, the capital of French Guiana. The plant serves a population of 1,440 and is situated in a coastal urban area, reflecting the region's tropical climate and proximity to the Atlantic Ocean. The plant employs advanced treatment processes, which go beyond the secondary treatment standard typically required for coastal discharges under the EU Urban Waste Water Treatment Directive. With a designed capacity of 2,000 m³/day and a current discharge volume of approximately 257 m³/day, the facility operates well below its capacity, indicating room for future growth. The treated effluent is discharged into the coastal waters of the Atlantic Ocean, likely via the Cayenne River or nearby estuaries. The surrounding watershed supports mangrove ecosystems and diverse marine life, making proper treatment essential to protect water quality and biodiversity in this sensitive coastal environment.
Environmental context
The plant discharges into the Atlantic Ocean near the coast of Cayenne, French Guiana. The local watershed includes the Cayenne River and associated mangrove forests, which serve as critical nursery habitats for fish and crustaceans. The coastal zone supports diverse marine life and is ecologically sensitive due to its role in nutrient cycling and shoreline protection. Advanced treatment helps minimize nutrient loading and protects downstream ecosystems.
Frequently asked questions
The plant is located in the Zéphir district of Cayenne, French Guiana, at Résidence Les Alizades, 62, Impasse Les Alizades, Lotissement Pacheco, Cité Zéphir, Cayenne, Guyane, 97300, France.
The plant serves a population of 1,440 people in the Cayenne area.
The treated wastewater is discharged into coastal waters of the Atlantic Ocean, likely via local waterways such as the Cayenne River or nearby estuaries.
The plant provides advanced treatment, which exceeds the secondary treatment standard typically required for coastal discharges under the EU Urban Waste Water Treatment Directive.
As part of France and the EU, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment for agglomerations based on population and receiving water sensitivity. Advanced treatment is often required in sensitive coastal areas.
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