Overview
TP 426 of Lieksan kt is a municipal wastewater treatment plant in Lieksa, Pohjois-Karjala, Finland, serving approximately 11,100 people. It operates under Finnish environmental regulations and EU directives.
TP 426 of Lieksan kt is a municipal wastewater treatment plant located in Lieksa, within the region of Pohjois-Karjala in eastern Finland. The plant serves a population of approximately 11,100 residents, placing it in the medium agglomeration category under EU classification. As a Finnish treatment facility, the plant operates under the national implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant discharges treated wastewater into the local watershed, which ultimately drains into the Baltic Sea via the Pielinen lake system and the Vuoksi River. This region is ecologically sensitive, supporting diverse aquatic life and serving as an important migratory corridor for fish species.
Environmental context
The plant's treated effluent enters the Pielinen lake system, which flows through the Vuoksi River into Lake Ladoga in Russia and eventually reaches the Baltic Sea. The watershed supports diverse aquatic ecosystems, including fish populations that rely on clean water for spawning. The region's cold climate and forested catchment influence seasonal flow patterns and nutrient dynamics.
Frequently asked questions
The plant is located in Lieksa, Pohjois-Karjala, Finland, at Savottatie in the Brahea district.
The plant serves approximately 11,100 residents, classifying it as a medium-sized agglomeration under EU standards.
Treated wastewater is discharged into the local watershed, which flows into the Pielinen lake system and eventually reaches the Baltic Sea via the Vuoksi River.
The plant operates under Finland's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 10,000 population equivalent.
Finnish plants of this scale typically employ secondary biological treatment with nutrient removal, as required by EU directives for sensitive areas like the Baltic Sea catchment.
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