Overview
TP 218 of Kankaanpaan kt is a municipal wastewater treatment plant serving Kankaanpää, Satakunta, Finland. It treats wastewater for approximately 15,300 residents under EU regulations.
TP 218 of Kankaanpaan kt is a municipal wastewater treatment plant located in Kankaanpää, within the Satakunta region of western Finland. The plant serves a population of approximately 15,300 people, placing it in the medium agglomeration category under the EU Urban Waste Water Treatment Directive (UWWTD). As a Finnish facility, the plant operates under the EU UWWTD (91/271/EEC), which requires secondary treatment for discharges to freshwater and estuaries from agglomerations of this size. Finland's national implementation also mandates nutrient removal (nitrogen and phosphorus) for plants serving over 10,000 population equivalent in sensitive areas, which includes most of the country's inland waters. The plant's treated effluent is discharged into local waterways that ultimately drain into the Gulf of Bothnia via the Kokemäenjoki river system. This region supports diverse aquatic life and is important for migratory fish species. Proper treatment helps protect the downstream Baltic Sea ecosystem from eutrophication.
Environmental context
The plant discharges into the Kokemäenjoki river basin, which flows into the Gulf of Bothnia, a brackish sea arm of the Baltic Sea. The Baltic Sea is highly sensitive to nutrient pollution, and Finnish regulations require advanced treatment to reduce phosphorus and nitrogen loads. The surrounding Satakunta region features forested landscapes and agricultural areas, contributing diffuse runoff that the plant's effluent must not exacerbate.
Frequently asked questions
The plant is located in Kankaanpää, in the Satakunta region of western Finland, approximately 50 km inland from the Gulf of Bothnia.
The plant serves about 15,300 residents, classifying it as a medium-sized agglomeration under EU wastewater directives.
Treated effluent is discharged into local waterways within the Kokemäenjoki river basin, which flows into the Gulf of Bothnia and ultimately the Baltic Sea.
Under the EU UWWTD, plants serving over 10,000 population equivalent in sensitive areas must achieve secondary treatment plus nutrient removal. Finland designates most inland waters as sensitive, so this plant likely employs biological treatment with phosphorus and nitrogen reduction.
Finnish plants of this scale typically use activated sludge or similar biological processes with chemical phosphorus precipitation and nitrogen removal, meeting stringent discharge limits to protect the Baltic Sea.
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