Knokke Wastewater Treatment Plant, Knokke-Heist, West-Vlaanderen, Belgium

The Knokke wastewater treatment plant is located in Knokke-Heist, a coastal municipality in the province of West-Vlaanderen, Belgium. The facility serves a population equivalent of approximately 9,800 residents and is situated near the North Sea coast, within 50 kilometers of the shoreline. As a municipal plant, it plays a key role in managing wastewater from this popular tourist destination. Under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), treatment plants serving agglomerations between 2,000 and 10,000 population equivalent are generally required to provide secondary treatment. The plant is expected to comply with Belgian national regulations implementing the directive, which mandate appropriate treatment to protect sensitive coastal waters. The treated effluent from the Knokke plant is discharged into the local water system, which ultimately drains into the North Sea. The coastal environment of the Belgian North Sea is ecologically sensitive, supporting diverse marine life and serving as an important area for migratory birds. Proper wastewater treatment is essential to maintain water quality and protect the recreational and ecological value of the region's beaches and coastal waters.

The Knokke plant discharges into the local drainage network that flows into the North Sea, a shallow continental shelf sea with significant ecological importance. The Belgian coastal zone supports diverse marine habitats, including sandbanks and estuaries, and is a key area for seabirds and marine mammals. Nutrient and pollutant loads from wastewater must be carefully managed to prevent eutrophication and maintain the health of this sensitive coastal ecosystem.