Oczyszczalnia Sciekow Pobiedziska - Secondary Wastewater Treatment in Pobiedziska, Greater Poland

Oczyszczalnia Sciekow Pobiedziska is a municipal wastewater treatment plant located in Pobiedziska, a town in the Greater Poland Voivodeship of Poland. The plant serves a population of 2,352 and operates with a designed capacity of 2,000 m³/day, currently treating an average of 335.36 m³/day of wastewater. The plant provides secondary treatment, which is the minimum standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. As a small agglomeration (under 10,000 population equivalent), the directive mandates secondary treatment before discharge into inland waters. The treated effluent is discharged into local watercourses that ultimately drain into the Warta River basin, part of the Oder River system flowing into the Baltic Sea. The plant plays a key role in protecting the local watershed from nutrient pollution, supporting aquatic life in downstream rivers and the Baltic Sea ecosystem.

The plant discharges into the Warta River basin, which flows through western Poland and joins the Oder River before reaching the Baltic Sea. The Baltic Sea is a semi-enclosed sea sensitive to eutrophication from nutrient inputs. The plant's secondary treatment helps reduce organic load and nutrients, mitigating algal blooms and oxygen depletion in downstream waters. The local watershed supports diverse freshwater habitats and agricultural land use.