Oczyszczalnia Sciekow w Polskiej Wsi k_Mragowa - Gązwa Wastewater Treatment Plant

Oczyszczalnia Sciekow w Polskiej Wsi k_Mragowa is a municipal wastewater treatment plant located in Gązwa, within the Mrągowo commune of the Warmian-Masurian Voivodeship in northeastern Poland. The plant serves a population of approximately 39,505 people, classifying it as a medium-sized agglomeration under Polish and European Union regulations. As a facility operating in Poland, which is a member of the European Union, the plant is subject to the Urban Waste Water Treatment Directive (91/271/EEC). This directive requires secondary treatment for agglomerations of this size, with more stringent tertiary treatment if the receiving waters are designated as sensitive areas. The plant's treatment processes are designed to meet these standards, ensuring compliance with national and EU water quality objectives. The treated effluent from the plant is discharged into local water bodies that ultimately drain into the Baltic Sea via the Vistula Lagoon or the Pregolya River basin. The Warmian-Masurian region is known for its numerous lakes and rivers, making proper wastewater treatment essential for protecting aquatic ecosystems and recreational water quality. The plant plays a vital role in safeguarding the region's water resources and supporting sustainable development.

The plant's discharge enters the local watershed, which is part of the larger Vistula Lagoon catchment area that drains into the Baltic Sea. This region features a dense network of lakes and rivers, including the Łyna and Guber rivers, which support diverse aquatic life and are important for local biodiversity. The Baltic Sea is a sensitive marine environment with eutrophication challenges, making nutrient removal from wastewater critical. The plant's operations help reduce the load of pollutants entering these waters, contributing to the ecological health of the downstream environment.