Overview
COV Chtelnica is a secondary wastewater treatment plant serving 1,955 people in Chtelnica, Trnavský kraj, Slovakia. It discharges 400.10 m³/day and has a designed capacity of 3,100 m³/day.
COV Chtelnica is a municipal wastewater treatment plant located in the village of Chtelnica, in the Trnavský kraj region of western Slovakia. The plant serves a population of approximately 1,955 residents, classifying it as a small agglomeration under EU guidelines. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. With a designed capacity of 3,100 m³/day and an average daily flow of 400.10 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into local watercourses that eventually drain into the Váh River basin, a major tributary of the Danube River. The Danube flows into the Black Sea, making this plant part of a large international watershed. Proper treatment helps protect downstream aquatic ecosystems and water quality in the Danube Delta.
Environmental context
COV Chtelnica discharges into small streams that feed into the Váh River, a major left-bank tributary of the Danube. The Váh flows through western Slovakia before joining the Danube near Komárno. The Danube then carries water through Hungary, Croatia, Serbia, and Romania to the Black Sea. This watershed supports diverse aquatic life and provides drinking water for millions. Secondary treatment reduces organic pollutants and suspended solids, protecting downstream habitats from eutrophication and oxygen depletion.
Frequently asked questions
COV Chtelnica is located in the village of Chtelnica, in the Piešťany district of Trnavský kraj, western Slovakia.
The plant serves approximately 1,955 residents, classifying it as a small agglomeration under EU wastewater treatment guidelines.
The treated effluent is discharged into local streams that flow into the Váh River, a major tributary of the Danube, which ultimately reaches the Black Sea.
COV Chtelnica provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
As a Slovak plant serving fewer than 2,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for freshwater discharges from agglomerations above 2,000 population equivalent. The plant's secondary treatment meets the directive's requirements for its scale.
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