Overview
TP 558 of Nurmeksen kt is a municipal wastewater treatment plant in Nurmes, Pohjois-Karjala, Finland, serving approximately 9,100 people. It operates under Finland's national implementation of the EU Urban Waste Water Treatment Directive.
TP 558 of Nurmeksen kt is a municipal wastewater treatment plant located in Nurmes, a town in the Pohjois-Karjala region of eastern Finland. The plant serves a population of approximately 9,100, placing it in the medium agglomeration category under EU regulations. As a Finnish plant, TP 558 operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Finland's national legislation enforces these standards, and the plant's designed capacity of 1.00 million cubic meters per year indicates its scale. The regulatory framework ensures appropriate treatment for the receiving environment. The plant's treated effluent discharges into the local watershed, which is part of the Vuoksi drainage basin. This basin ultimately drains into Lake Ladoga in Russia via the Vuoksi River. The region's aquatic ecosystems include sensitive boreal lakes and rivers that support diverse fish populations and migratory bird species. Proper treatment is essential to protect water quality in this transboundary basin.
Environmental context
The plant discharges into the local watershed within the Vuoksi drainage basin, which flows through the Pielinen lake system and the Vuoksi River into Lake Ladoga in Russia. This transboundary basin supports diverse aquatic life, including salmonid fish and migratory waterfowl, and is ecologically sensitive to nutrient loading. The region's boreal climate and forested catchments contribute to natural water quality, making effective wastewater treatment critical for maintaining downstream ecosystem health.
Frequently asked questions
TP 558 of Nurmeksen kt is located in Nurmes, a town in the Pohjois-Karjala region of eastern Finland. The plant's address is near Kirkkokatu in the Itäkaupunki district.
The plant serves approximately 9,100 people, classifying it as a medium-sized agglomeration under EU wastewater treatment regulations.
The plant discharges treated effluent into the local watershed, which is part of the Vuoksi drainage basin. This basin flows through the Pielinen lake system and the Vuoksi River into Lake Ladoga.
As a Finnish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. Finland's national environmental authorities enforce these standards.
Under the EU UWWTD, plants serving between 2,000 and 15,000 population equivalents are required to have secondary treatment. In Finland, many such plants also incorporate phosphorus removal to protect sensitive inland waters.
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