GESA pur SE 35 Oczyszczalnia sciekow, Żernica - Primary Wastewater Treatment Plant

GESA pur SE 35 Oczyszczalnia sciekow is a wastewater treatment plant located in Żernica, a village in the Silesian Voivodeship of southern Poland. The plant serves a small population of 352 residents, reflecting its role in a rural or suburban community. It operates as a primary treatment facility, which is the first stage of wastewater processing, involving physical separation of solids. As a small-scale plant in Poland, it falls under the national implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations with a population equivalent (PE) under 2,000, the directive requires appropriate treatment, which may include primary treatment if the receiving waters are less sensitive. The plant's designed capacity of 103 m³/day and current discharge of 50.19 m³/day indicate it operates below its maximum capacity. The treated effluent is discharged into local water bodies, likely small streams or ditches that drain into the broader Oder River basin. The region is part of the Upper Silesian industrial area, but Żernica itself is a rural locality. The plant's primary treatment helps reduce suspended solids and organic load before discharge, protecting downstream aquatic ecosystems.

The plant discharges into local watercourses that are part of the Oder River basin, which flows northward to the Baltic Sea. The surrounding area includes agricultural land and small forests, contributing diffuse pollution. Primary treatment reduces but does not eliminate nutrients, so downstream waters may experience eutrophication risks. The Oder basin supports diverse fish species and is an important ecological corridor in Central Europe.