Overview
COV Nizna is a municipal wastewater treatment plant serving Nižná, Slovakia, in the Žilinský kraj region. It treats wastewater for approximately 19,420 people as part of the local infrastructure.
COV Nizna is a municipal wastewater treatment plant located in Nižná, a town in the Tvrdošín District of the Žilinský kraj region in northern Slovakia. The plant serves a population of approximately 19,420 residents, placing it in the medium agglomeration category under European Union classification. It plays a key role in managing wastewater from the local community and surrounding areas. As a plant serving a medium-sized agglomeration in Slovakia, COV Nizna operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for discharges into freshwater systems. The plant's treatment processes are designed to meet national standards aligned with this directive, ensuring that effluent quality is controlled to protect the environment. The treated wastewater from COV Nizna is discharged into local watercourses that eventually drain into the Orava River basin, a tributary of the Váh River, which flows into the Danube River and ultimately the Black Sea. The plant's operation helps maintain water quality in the sensitive Carpathian region, supporting aquatic ecosystems and downstream water uses.
Environmental context
COV Nizna discharges into the Orava River basin, which flows into the Váh River, a major tributary of the Danube River. The Danube carries water through several countries to the Black Sea. The local watershed includes the Orava region, known for its diverse aquatic life and ecologically sensitive Carpathian habitats. Proper treatment is essential to protect these ecosystems from nutrient pollution and other contaminants.
Frequently asked questions
COV Nizna is located in Nižná, a town in the Tvrdošín District of the Žilinský kraj region in northern Slovakia.
The plant serves approximately 19,420 people, classifying it as a medium agglomeration under EU standards.
Treated wastewater from COV Nizna is discharged into local watercourses that flow into the Orava River basin, eventually reaching the Danube River and the Black Sea.
As a Slovak plant serving a medium agglomeration, COV Nizna operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for discharges into freshwater.
For agglomerations of this size, secondary treatment is standard under EU directives, often including biological processes to reduce organic matter and nutrients before discharge.
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