Wisla, Wisła | Poland Wastewater

Overview

Wisla wastewater treatment plant serves the city of Wisła in województwo śląskie, Poland. It treats wastewater from a population of approximately 25,155 under the EU Urban Waste Water Treatment Directive.

The Wisla wastewater treatment plant is located in the city of Wisła, in the Silesian Voivodeship (województwo śląskie) of southern Poland. The facility serves a population of around 25,155, classifying it as a medium-sized agglomeration under EU regulations. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent (PE) between 10,000 and 150,000 are required to have secondary treatment as a minimum. For plants in sensitive areas, tertiary treatment may be mandated. It operates within this regulatory framework. The treated effluent from the plant is discharged into local watercourses that ultimately drain into the Vistula River basin, which flows northward to the Baltic Sea. The plant plays a key role in protecting the water quality of the region's rivers and downstream ecosystems, supporting aquatic life and recreational uses.

Environmental context

The plant discharges into the Vistula River basin, which is the largest river system in Poland, flowing into the Baltic Sea. The watershed supports diverse aquatic habitats and is important for migratory fish species. The plant's operations help maintain water quality in the region, reducing nutrient loads that could contribute to eutrophication in the Baltic Sea.

Frequently asked questions

The Wisla wastewater treatment plant is located in the city of Wisła, in the Silesian Voivodeship (województwo śląskie) of southern Poland.

The plant serves a population of approximately 25,155, which classifies 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.

The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size, and tertiary treatment if the receiving waters are sensitive.

Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent are required to have secondary treatment. In sensitive areas, additional nutrient removal (tertiary treatment) may be required.