Overview
Oczyszczalnia sciekow w Mokrej Prawej serves over 113,000 people in the Lodz Voivodeship of Poland. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Oczyszczalnia sciekow w Mokrej Prawej is a municipal wastewater treatment plant located in Mokra Prawa, within the Skierniewice district of the Lodz Voivodeship in central Poland. Serving a population of over 113,000, it is classified as a large agglomeration under Polish and EU regulations. As a plant of this scale, it is required to meet the standards of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary biological treatment for agglomerations above 10,000 population equivalent. In sensitive areas, tertiary treatment may also be required. The plant's treatment processes and capacity are designed to comply with these regulatory requirements, ensuring effective pollutant removal. The treated effluent is discharged into local watercourses that ultimately drain into the Vistula River basin, which flows northward into the Baltic Sea. The plant plays a crucial role in protecting the region's water quality, supporting aquatic ecosystems, and safeguarding downstream environments from nutrient pollution.
Environmental context
The plant discharges into the Vistula River basin, which flows through central Poland and empties into the Baltic Sea via the Gulf of Gdansk. The Baltic Sea is a semi-enclosed brackish sea sensitive to nutrient inputs, making effective wastewater treatment critical to preventing eutrophication. The local watershed supports diverse aquatic life and is an important ecological corridor in the region.
Frequently asked questions
The plant is located in Mokra Prawa, in the Skierniewice district of the Lodz Voivodeship, central Poland.
The plant serves a population of over 113,000, classifying it as a large agglomeration under EU regulations.
Treated effluent is discharged into local watercourses that are part of the Vistula River basin, eventually reaching the Baltic Sea.
As a Polish plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive areas, tertiary treatment.
Plants of this scale in Poland typically employ secondary biological treatment, often with nutrient removal, to meet EU standards and protect the Baltic Sea from eutrophication.
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