Overview
TP 790 of Someron kt serves approximately 7,800 people in Somero, Varsinais-Suomi, Finland. The plant treats municipal wastewater and discharges into local waterways.
TP 790 of Someron kt is a municipal wastewater treatment plant located in Somero, within the Varsinais-Suomi region of Finland. It serves a population of about 7,800 residents, placing it in the small to medium agglomeration category under Finnish and EU regulations. As a plant in Finland, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Finnish environmental legislation further mandates nutrient removal in sensitive areas, which includes many inland waters. The plant's treatment processes are designed to meet these standards, ensuring compliance with national permits. The treated effluent is discharged into local water bodies that eventually drain into the Baltic Sea via the Archipelago Sea. This region is ecologically sensitive, supporting diverse aquatic life and serving as an important migratory corridor for fish. The plant plays a key role in protecting downstream water quality and the broader Baltic ecosystem.
Environmental context
The plant discharges into local streams that flow into the Paimionjoki river basin, which ultimately reaches the Archipelago Sea and the Baltic Sea. The Baltic Sea is a brackish, semi-enclosed sea with limited water exchange, making it vulnerable to nutrient pollution. The plant's nutrient removal helps mitigate eutrophication, supporting aquatic habitats and biodiversity in the downstream environment.
Frequently asked questions
TP 790 of Someron kt is located in Somero, in the Varsinais-Suomi region of Finland. The address is Myllypellontie, Joensuu, Somero.
The plant serves approximately 7,800 people, classifying it as a small to medium agglomeration under EU regulations.
Treated wastewater is discharged into local streams that flow into the Paimionjoki river basin, eventually reaching the Archipelago Sea and the Baltic Sea.
As a Finnish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 population equivalent, and Finnish national laws requiring nutrient removal in sensitive areas.
Plants of this scale in Finland typically employ secondary biological treatment with nutrient removal (nitrogen and phosphorus) to meet EU and national standards, protecting sensitive inland and coastal waters.
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