Overview
Śrem wastewater treatment plant serves about 68,000 people in Wielkopolska, Poland. It discharges treated effluent into the Warta River, a tributary of the Oder, ultimately reaching the Baltic Sea.
The Śrem wastewater treatment plant is located in the town of Śrem in the Wielkopolska region of Poland. It serves a population of approximately 68,094, classifying it as a medium-to-large agglomeration under Polish and EU regulations. The plant is situated along the Warta River, which flows through the city and provides the receiving waters for treated effluent. As a Polish facility serving over 10,000 population equivalent, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment as a minimum. For agglomerations of this size, the directive also mandates more stringent treatment if the receiving waters are sensitive to eutrophication. It is expected to comply with Polish national standards transposing the directive. The treated wastewater from Śrem is discharged into the Warta River, a major watercourse in western Poland. The Warta flows northward and joins the Oder River near Kostrzyn nad Odrą, which then empties into the Baltic Sea via the Szczecin Lagoon. This river system supports diverse aquatic life and is an important ecological corridor in the region. The plant's operations contribute to protecting water quality in the Warta catchment and the broader Baltic Sea basin.
Environmental context
The Śrem plant discharges into the Warta River, which flows through the Wielkopolska region and joins the Oder River before reaching the Baltic Sea via the Szczecin Lagoon. The Warta is an ecologically significant river supporting diverse fish populations and riparian habitats. Downstream, the Oder estuary is a sensitive coastal ecosystem that benefits from effective nutrient removal upstream.
Frequently asked questions
The plant is located in the town of Śrem, in the Wielkopolska region of Poland, along the Promenada nadwarciańska near the Warta River.
The plant serves approximately 68,094 people, classifying it as a medium-to-large agglomeration under EU regulations.
Treated wastewater is discharged into the Warta River, which flows through Śrem and eventually joins the Oder River before reaching the Baltic Sea.
As a Polish facility serving over 10,000 population equivalent, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment and potentially more stringent treatment for sensitive areas.
Plants of this scale in Poland typically provide secondary biological treatment, and may include nutrient removal if discharging into sensitive waters like the Baltic Sea catchment.
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