COV Velke Dvorany Wastewater Treatment Plant, Veľké Dvorany, Slovakia

COV Velke Dvorany is a wastewater treatment plant located in Veľké Dvorany, a village in the Topoľčany district of Nitriansky kraj, western Slovakia. The plant provided secondary treatment for the local population before its closure. As a secondary treatment facility, it would have met the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC) for biological treatment of organic matter. The plant's closure suggests that wastewater services are now handled by a neighboring facility or an upgraded system. The plant's receiving waters are part of the Nitra River basin, which drains into the Váh River and ultimately the Danube River, flowing into the Black Sea. The region supports agricultural activities and diverse aquatic life, making proper wastewater management essential for water quality.

The plant is located in the Nitra River basin, a tributary of the Váh River, which flows into the Danube River and reaches the Black Sea. The area is predominantly agricultural, and the local watershed supports farmland and freshwater ecosystems. Proper treatment is crucial to prevent nutrient pollution and protect downstream aquatic habitats.