Overview
UWWTP_CELJE serves approximately 99,000 people in Celje, Slovenia. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
UWWTP_CELJE is a municipal wastewater treatment plant located in Tremerje, near Celje, Slovenia. It serves a population of approximately 99,328, classifying it as a large agglomeration under EU regulations. The plant is situated inland, away from the coast, and its treated effluent is discharged into the local watershed. As a facility serving over 15,000 population equivalent, UWWTP_CELJE is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary biological treatment as a minimum. For larger agglomerations in sensitive areas, tertiary treatment may be mandated to reduce nutrients and protect receiving waters. The plant's design and operation align with Slovenia's national implementation of this directive. The plant's discharge ultimately flows into the Savinja River, a tributary of the Sava River, which drains into the Danube River and eventually the Black Sea. This river system supports diverse aquatic life and is important for regional biodiversity. Proper treatment at UWWTP_CELJE helps protect downstream ecosystems and water quality in the Danube basin.
Environmental context
UWWTP_CELJE discharges into the Savinja River, which flows into the Sava River, a major tributary of the Danube River. The Danube ultimately reaches the Black Sea, making this plant part of a vast transboundary watershed. The Savinja River supports diverse aquatic habitats and is used for recreation and agriculture downstream. Effective wastewater treatment is essential to prevent nutrient pollution and protect the ecological health of this river system.
Frequently asked questions
UWWTP_CELJE is located in Tremerje, near the city of Celje, Slovenia. The address is Tremerje, Celje, 3104, Slovenija.
UWWTP_CELJE serves approximately 99,328 people, classifying it as a large agglomeration under EU regulations.
The plant discharges treated effluent into the Savinja River, which flows into the Sava River and eventually the Danube River and Black Sea.
As a Slovenian plant serving over 15,000 population equivalent, UWWTP_CELJE operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive areas, tertiary treatment.
For agglomerations of this size, the EU UWWTD mandates secondary biological treatment. In sensitive catchments like the Danube basin, additional nutrient removal (tertiary treatment) is often required to reduce nitrogen and phosphorus loads.
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