Overview
Czechowice Dziedzice wastewater treatment plant serves approximately 30,000 residents in the Silesian Voivodeship of southern Poland. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agg
The Czechowice Dziedzice wastewater treatment plant is located in the town of Czechowice-Dziedzice, within the Silesian Voivodeship in southern Poland. The facility serves a population of approximately 30,419, classifying it as a medium-sized agglomeration under EU regulations. As a Polish treatment plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations with a population equivalent between 10,000 and 150,000. The plant's discharge is regulated by Polish environmental authorities, ensuring compliance with national water quality standards. The treated effluent is discharged into local watercourses that ultimately drain into the Vistula River basin, which flows northward to the Baltic Sea. The facility plays a key role in protecting the region's surface waters from nutrient pollution and organic loading, supporting aquatic life and downstream ecosystems.
Environmental context
The plant discharges into the Vistula River basin, which flows through southern and central Poland before emptying into the Baltic Sea via the Gulf of Gdańsk. The Vistula is the longest river in Poland and supports diverse aquatic habitats, including fish spawning grounds and migratory bird corridors. The treatment plant helps reduce nutrient loads that could otherwise contribute to eutrophication in the Baltic Sea, a sensitive marine environment.
Frequently asked questions
The plant is located in Czechowice-Dziedzice, a town in the Silesian Voivodeship of southern Poland, near the city of Bielsko-Biała.
The plant serves approximately 30,419 residents, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into local watercourses that are part of the Vistula River basin, which ultimately flows into the Baltic Sea.
As a Polish facility, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size.
Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent are required to have secondary treatment, and may require more advanced treatment if discharging into sensitive areas.
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