Slawsk Wastewater Treatment Plant, Mądroszki, Poland

Slawsk is a wastewater treatment plant located in Mądroszki, within the gmina Rzgów, powiat koniński, województwo wielkopolskie, Poland. The facility serves a small population of 598 residents, reflecting its role in a rural community. It operates under Polish regulations which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). The plant provides secondary treatment, which is the standard required by the EU directive for discharges into freshwater from agglomerations of this size. With a designed capacity of 601 m³/day and an actual discharge volume of 85.27 m³/day, the plant operates well below its capacity, indicating potential for future growth or seasonal variations. The treated effluent is discharged into local watercourses that eventually drain into the Warta River basin, part of the Oder River system flowing into the Baltic Sea. The plant's operation helps protect the local aquatic environment and downstream ecosystems from untreated wastewater pollution.

The plant discharges into the Warta River basin, which flows into the Oder River and ultimately reaches the Baltic Sea. The region is part of the Wielkopolska lowlands, with agricultural land use dominating. The plant's secondary treatment reduces organic load and nutrients, helping to prevent eutrophication in downstream water bodies and supporting aquatic biodiversity.