Overview
Lycksele Avlrenverk is a municipal wastewater treatment plant serving approximately 12,500 people in Lycksele, Sweden. It operates under Sweden's implementation of the EU Urban Waste Water Treatment Directive.
Lycksele Avlrenverk is a municipal wastewater treatment plant located in Lycksele, a town in Västerbotten County, northern Sweden. The plant serves a population of approximately 12,500, placing it in the medium agglomeration category under EU regulations. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), Sweden requires secondary treatment for agglomerations of this size discharging into inland waters. The plant's treatment processes are designed to meet these standards, ensuring effective removal of organic matter and nutrients before discharge. The treated effluent is discharged into the Ume River system, which flows southeast into the Gulf of Bothnia. This river supports diverse aquatic life and is an important migratory corridor for salmon and sea trout. The plant's operations help protect downstream water quality in both the river and the coastal marine environment.
Environmental context
The plant discharges into the Ume River, which flows through Västerbotten County into the Gulf of Bothnia, a brackish sea of the Baltic Sea. The river supports salmonid spawning and is ecologically sensitive to nutrient loading. Effective treatment at Lycksele Avlrenverk helps maintain water quality for downstream habitats and recreational use.
Frequently asked questions
Lycksele Avlrenverk is located in Lycksele, a town in Västerbotten County, northern Sweden. The plant is situated near the Ume River.
The plant serves approximately 12,469 people, classifying it as a medium-sized agglomeration under EU wastewater treatment regulations.
Treated wastewater from Lycksele Avlrenverk is discharged into the Ume River, which flows southeast into the Gulf of Bothnia.
As a Swedish plant serving over 10,000 people, Lycksele Avlrenverk operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges into inland waters.
Plants of this scale in Sweden typically employ secondary biological treatment with nutrient removal, as required by EU directives for sensitive areas like the Baltic Sea catchment.
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