Overview
Karksi Nuia wastewater treatment plant in Karksi-Nuia, Estonia, is a secondary treatment facility with a designed capacity of 3,550 m³/day. The plant is currently closed.
Karksi Nuia wastewater treatment plant is located in Karksi-Nuia, a small town in Mulgi Parish, Viljandi County, Estonia. The facility was designed to serve the local population with a capacity of 3,550 m³ per day, operating at a secondary treatment level. As a municipal plant in Estonia, it would have been subject to national regulations aligned with the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this scale. The plant is currently closed, and its operational status reflects changes in local wastewater management infrastructure. The plant's discharge would have entered local watercourses that drain into the Baltic Sea via the Gulf of Riga. The region's watershed supports diverse aquatic life and is part of Estonia's network of rivers and lakes that contribute to the broader Baltic Sea ecosystem. Proper wastewater treatment is essential to protect these water bodies from nutrient pollution and maintain ecological balance.
Environmental context
The plant's receiving waters flow through the Viljandi County river system, eventually reaching the Baltic Sea via the Gulf of Riga. This watershed supports sensitive aquatic habitats and migratory fish species. Effective wastewater treatment is critical to prevent eutrophication and maintain water quality in this ecologically important region.
Frequently asked questions
The plant is located in Karksi-Nuia, Mulgi Parish, Viljandi County, Estonia, at the address Kajaku, Maie - Kajaku - Nuia, Univere küla.
The plant has a designed capacity of 3,550 m³ per day and operated at a secondary treatment level.
The plant is currently closed.
Estonia follows the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this scale. The plant would have been subject to national permits and monitoring.
The plant's discharge would have entered local rivers draining into the Baltic Sea via the Gulf of Riga, helping to protect these waters from nutrient pollution.
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