Overview
zPM zAKLADOWA is a wastewater treatment plant serving Kolno, Poland, in the Podlaskie Voivodeship. It treats wastewater for approximately 16,306 people, operating under EU regulations.
zPM zAKLADOWA is a wastewater treatment plant located in Kolno, a town in the Podlaskie Voivodeship of northeastern Poland. The plant serves a population of around 16,306, classifying it as a medium-sized agglomeration under Polish and EU standards. As a Polish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are sensitive areas. Compliance with national regulations ensures appropriate treatment levels. The treated effluent is discharged into local waterways that eventually drain into the Narew River, a major tributary of the Vistula River, which flows into the Baltic Sea. The plant plays a key role in protecting the region's water quality and supporting the ecological health of the Narew basin.
Environmental context
The plant discharges into the Narew River basin, which flows through northeastern Poland and eventually joins the Vistula River before reaching the Baltic Sea. The Narew is an ecologically significant river, supporting diverse aquatic life and serving as a migratory corridor for fish. The surrounding area includes wetlands and forests that benefit from maintained water quality.
Frequently asked questions
zPM zAKLADOWA is located in Kolno, a town in the Podlaskie Voivodeship of northeastern Poland, near the Narew River basin.
The plant serves approximately 16,306 people, classifying it as a medium-sized agglomeration under Polish and EU standards.
The treated effluent is discharged into local waterways that drain into the Narew River, a tributary of the Vistula River, which flows into the Baltic Sea.
As a Polish plant serving over 15,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and potentially more advanced treatment if the receiving waters are sensitive.
Under the EU directive, plants of this scale typically provide secondary treatment (biological treatment) to reduce organic matter and nutrients. In sensitive areas, tertiary treatment may be required to further reduce nitrogen and phosphorus.
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