Lidkopings avloppsreningsverk - Lidköping Wastewater Treatment Plant, Sweden

Lidkopings avloppsreningsverk is the municipal wastewater treatment plant for Lidköping, a city in Västra Götaland County, Sweden. The plant serves a population of around 51,308, placing it in the medium agglomeration category under EU regulations. It is situated in the industrial area of Västra Hamnen, near the shores of Lake Vänern. As a Swedish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Sweden also enforces national standards that often mandate advanced treatment, especially for discharges into sensitive water bodies like Lake Vänern. The plant discharges treated effluent into Lake Vänern, which drains via the Göta River into the Kattegat strait and ultimately the North Sea. Lake Vänern is a large, ecologically significant freshwater lake that supports diverse aquatic life and serves as a vital water resource. The plant's operations are crucial for protecting the lake's water quality and the downstream ecosystems of the Göta River and the Kattegat.

The plant discharges into Lake Vänern, Sweden's largest lake, which flows through the Göta River into the Kattegat and the North Sea. Lake Vänern is a sensitive ecosystem that supports diverse fish species and migratory birds. The lake is also a source of drinking water for nearby communities, making nutrient removal and pathogen control critical for protecting both human health and aquatic biodiversity.