Overview
TP 860 of Toholammin kk serves about 14,000 people in Toholampi, Keski-Pohjanmaa, Finland. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
TP 860 of Toholammin kk is a municipal wastewater treatment plant located in Toholampi, a town in the Keski-Pohjanmaa region of Finland. The plant serves an estimated population of 14,000, placing it in the medium agglomeration category under EU classification. As a Finnish plant, TP 860 operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 10,000 and 150,000. The directive also mandates more advanced treatment if the receiving waters are sensitive to eutrophication, which is common in the Baltic Sea region. The plant's treated effluent is discharged into local waterways that ultimately drain into the Gulf of Bothnia, part of the Baltic Sea. The Baltic Sea is a brackish, semi-enclosed sea with limited water exchange, making it highly sensitive to nutrient pollution. Proper treatment at plants like TP 860 is critical to reducing eutrophication and protecting marine ecosystems.
Environmental context
The plant discharges into the local river system, which flows into the Gulf of Bothnia, a northern basin of the Baltic Sea. The Baltic Sea is one of the most eutrophied seas globally, with excess nitrogen and phosphorus causing algal blooms and oxygen depletion. Finnish plants in this region must meet stringent nutrient removal standards to mitigate these impacts. The watershed supports diverse aquatic life and is an important area for migratory fish species.
Frequently asked questions
TP 860 of Toholammin kk is located in Toholampi, a town in the Keski-Pohjanmaa region of Finland. The plant's address is Jokirannantie, Toholampi.
The plant serves approximately 14,000 people, classifying it as a medium-sized agglomeration under EU standards.
The treated effluent is discharged into local rivers that flow into the Gulf of Bothnia, part of the Baltic Sea. The plant must meet EU standards for nutrient removal to protect this sensitive marine environment.
As a Finnish plant, TP 860 operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of its size and may require tertiary treatment if the receiving waters are sensitive.
Plants of this scale in Finland typically provide secondary biological treatment, often with nutrient removal (nitrogen and phosphorus) to comply with Baltic Sea protection requirements. Many also incorporate chemical precipitation for phosphorus removal.
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