Overview
TP 695 of Ranuan kk is an advanced wastewater treatment plant serving 1,800 people in Ranua, Lappi, Finland. It discharges 295.01 cubic meters of treated wastewater daily.
TP 695 of Ranuan kk is a municipal wastewater treatment facility located in Ranua, within the Lappi region of northern Finland. The plant serves a population of approximately 1,800 residents, reflecting the small-scale community infrastructure typical of rural Finnish municipalities. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Advanced treatment typically includes nutrient removal (nitrogen and phosphorus), which is especially important for protecting sensitive water bodies in the region. The plant discharges an average of 295.01 cubic meters of treated wastewater per day. The treated effluent is released into the local watershed, which ultimately drains into the Gulf of Bothnia via the Kemijoki river system. The region's cold climate and sensitive aquatic ecosystems require effective nutrient removal to prevent eutrophication. The plant's advanced treatment helps maintain water quality in downstream rivers and the Baltic Sea, a brackish water body vulnerable to nutrient pollution.
Environmental context
The plant discharges into the local catchment of the Kemijoki river basin, which flows into the Gulf of Bothnia, part of the Baltic Sea. The Baltic Sea is highly sensitive to nutrient loading, and advanced treatment at this plant helps reduce phosphorus and nitrogen inputs, supporting the ecological health of downstream lakes, rivers, and coastal waters. The region's pristine environment and cold-water fish species benefit from this level of treatment.
Frequently asked questions
TP 695 of Ranuan kk is located in Ranua, in the Lappi region of northern Finland. The plant serves the local community of about 1,800 residents.
The plant provides advanced treatment, which includes nutrient removal (nitrogen and phosphorus) beyond secondary treatment. This is important for protecting sensitive water bodies in the region.
The treated wastewater is discharged into the local watershed, which is part of the Kemijoki river basin. The water eventually flows into the Gulf of Bothnia in the Baltic Sea.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent (PE) between 2,000 and 10,000 require secondary treatment. Although Ranua's population is below 2,000, the plant provides advanced treatment, exceeding the directive's minimum requirements and aligning with Finland's national standards for sensitive areas.
In Finland, small municipal plants serving populations under 2,000 often use biological or chemical treatment with nutrient removal, especially in areas draining to the Baltic Sea. Advanced treatment is common to meet strict environmental permits and protect sensitive northern ecosystems.
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