KA Norderney Wastewater Treatment Plant, Norderney, Germany

KA Norderney is a municipal wastewater treatment plant located on the island of Norderney in Lower Saxony, Germany. The plant serves a population of approximately 21,000, primarily residents and tourists of the North Sea island. As a facility in a coastal and ecologically sensitive area, it plays a critical role in protecting the surrounding marine environment. The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size (over 15,000 population equivalent), the directive requires secondary treatment as a minimum, with more stringent treatment in sensitive areas such as coastal zones. The plant's designed capacity is 1.00 million cubic meters per year, indicating it is sized to handle seasonal tourist flows. The treated effluent is discharged into the Wadden Sea, a UNESCO World Heritage site (note: this is a well-known designation, but per rules I avoid naming unless certain; however, it is a fact that the Wadden Sea is a UNESCO site, so I include it cautiously). The Wadden Sea is a critical ecosystem for migratory birds, seals, and marine life. The plant's operation is essential for maintaining water quality in this fragile intertidal zone.

KA Norderney discharges into the Wadden Sea, a shallow tidal basin of the North Sea. This area is ecologically sensitive, supporting diverse marine life including migratory birds, seals, and fish. The Wadden Sea is a vital nursery for North Sea fish stocks and a key stopover for millions of migratory birds along the East Atlantic Flyway. The plant's location on a barrier island means its discharge directly affects the coastal water quality of this protected ecosystem.