Cedynia Wastewater Treatment Plant - Secondary Treatment in zachodniopomorskie, Poland

The Cedynia wastewater treatment plant is located in the town of Cedynia, in the powiat gryfiński of województwo zachodniopomorskie, Poland. It serves a population of approximately 3,032, classifying it as a small agglomeration under Polish and EU regulations. The plant operates with secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into freshwater bodies. Its designed capacity is 4,100 m³/day, and it currently treats an average of 432.32 m³/day, indicating significant spare capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Oder River basin and then into the Baltic Sea. The plant plays a key role in protecting the region's water quality and supporting downstream aquatic ecosystems.

The plant discharges into the Oder River basin, which flows northward into the Szczecin Lagoon and then into the Baltic Sea. This watershed supports diverse aquatic life and is an important ecological corridor in the region. The secondary treatment provided helps reduce nutrient loads and organic pollution, contributing to the health of downstream waters.