Overview
UWWTP Kranj Zarica serves approximately 81,790 people in Kranj, Slovenia. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
UWWTP Kranj Zarica is a municipal wastewater treatment plant located in Kranj, Slovenia, serving a population of approximately 81,790. The facility is situated along Ljubljanska cesta in the Orehek area, within the Gorenjska region. As a medium-to-large agglomeration, the plant plays a key role in managing wastewater from the city and surrounding areas. The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations between 10,000 and 150,000 population equivalent. For larger agglomerations in sensitive areas, tertiary treatment may be required. The regulatory framework ensures compliance with European standards for effluent quality. The treated wastewater from the plant is discharged into the local water system, which ultimately drains into the Sava River, a major tributary of the Danube. The Sava River flows through Slovenia, Croatia, and into Serbia, supporting diverse aquatic ecosystems and providing water for agriculture and industry. The plant's operations help protect the water quality of the Sava basin and downstream environments.
Environmental context
The plant discharges into the Sava River basin, which flows through Slovenia and Croatia before joining the Danube. The Sava River supports diverse aquatic life and is an important ecological corridor in the region. Downstream, the Danube Delta is a critical wetland ecosystem. The plant's treatment helps reduce nutrient and pollutant loads, protecting these water bodies from eutrophication and contamination.
Frequently asked questions
UWWTP Kranj Zarica is located on Ljubljanska cesta in the Orehek area of Kranj, Slovenia, in the Gorenjska region.
The plant serves approximately 81,790 people, classifying it as a medium-to-large agglomeration under EU regulations.
The treated wastewater is discharged into the local water system, which flows into the Sava River, a major tributary of the Danube.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for collection and treatment based on agglomeration size and receiving water sensitivity.
Under the EU UWWTD, agglomerations over 10,000 PE typically require secondary treatment. In sensitive areas, tertiary treatment for nutrient removal may be mandated to protect water bodies like the Sava River.
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