Overview
The Gniew wastewater treatment plant serves the community of Ciemniki in Poland's Kuyavian-Pomeranian Voivodeship. It handles wastewater for approximately 7,300 residents as part of the region's municipal infrastructure.
The Gniew wastewater treatment plant is located in Ciemniki, a village within the gmina of Jeżewo in the Kuyavian-Pomeranian Voivodeship of Poland. The facility serves a population of approximately 7,300 people, placing it in the small to medium agglomeration category under Polish and EU regulations. As a Polish wastewater treatment plant, Gniew operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The plant's design and operational practices align with national standards set by Polish water law, ensuring compliance with environmental protection requirements. The treated effluent from the Gniew plant is discharged into local water bodies that ultimately drain into the Vistula River basin, one of Poland's major river systems. The Vistula flows northward into the Baltic Sea, making the plant's operations important for protecting both local aquatic ecosystems and the broader marine environment of the Baltic.
Environmental context
The Gniew plant discharges into the Vistula River basin, which drains into the Baltic Sea via the Vistula Delta. This watershed supports diverse aquatic life and is an important ecological corridor for migratory fish species. The Baltic Sea is a semi-enclosed brackish sea sensitive to nutrient pollution, making effective wastewater treatment crucial for preventing eutrophication and maintaining water quality in downstream coastal areas.
Frequently asked questions
The Gniew wastewater treatment plant is located in Ciemniki, a village in the gmina of Jeżewo, within the Kuyavian-Pomeranian Voivodeship of Poland.
The Gniew plant serves approximately 7,296 people, classifying it as a small to medium agglomeration under Polish and EU wastewater regulations.
The treated wastewater from the Gniew plant is discharged into local water bodies that are part of the Vistula River basin, which ultimately flows into the Baltic Sea.
As a Polish facility, the Gniew plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of its size, and is subject to Polish water law and environmental permits.
Under the EU Urban Waste Water Treatment Directive, plants serving agglomerations between 2,000 and 15,000 population equivalent are required to provide secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids.
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