Arboga avloppsreningsverk, Arboga

Overview

Arboga avloppsreningsverk refn serves approximately 15,300 people in Arboga, Sweden. The plant discharges treated wastewater into local waterways within the Norrström drainage basin.

Arboga avloppsreningsverk refn is a municipal wastewater treatment plant located in Arboga, Västmanlands län, Sweden. Serving a population of around 15,300, the facility is part of the region's wastewater infrastructure managed under Swedish environmental regulations. As a plant serving a medium-sized agglomeration, it operates under Sweden's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges to freshwater. Indicating it is sized for the local population. The treated effluent is discharged into the Arbogaån river system, which flows into Lake Mälaren, Sweden's third-largest lake. Lake Mälaren is a vital freshwater resource and supports diverse aquatic life, including fish species such as pike and perch. The plant plays a key role in protecting this important water body from nutrient pollution.

Environmental context

The plant discharges into the Arbogaån river, which flows into Lake Mälaren, a large freshwater lake that ultimately drains into the Baltic Sea via the Norrström. Lake Mälaren is a critical water source for Stockholm and supports a rich ecosystem. The plant's operations help reduce nutrient loads, preventing eutrophication in the lake and downstream coastal waters.

Frequently asked questions

The plant is located at Norra Ågatan in Arboga, Västmanlands län, Sweden.

The plant serves approximately 15,300 people in the Arboga area.

Treated effluent is discharged into the Arbogaån river, which flows into Lake Mälaren.

As a Swedish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for discharges to freshwater from agglomerations of this size.

Plants of this scale in Sweden typically provide secondary treatment, often with nutrient removal to protect sensitive water bodies like Lake Mälaren.