Overview
Kilafors ARV is an advanced wastewater treatment plant in Kilafors, Sweden, serving approximately 1,800 people. It discharges treated effluent into the local water system with a designed capacity of 2,500 m³/day.
Kilafors ARV is a municipal wastewater treatment plant located in Kilafors, a locality in Bollnäs Municipality, Gävleborg County, Sweden. The plant serves a population of about 1,800 people, placing it in the small agglomeration category under Swedish and EU regulations. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for smaller agglomerations. With a designed capacity of 2,500 m³/day and an average discharge volume of 282.41 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated wastewater is discharged into a local watercourse that eventually drains into the Baltic Sea via the Ljusnan River system. This discharge contributes to the nutrient and pollutant load in the region, but the advanced treatment level helps minimize environmental impact on downstream ecosystems.
Environmental context
The plant's effluent enters a local stream that flows into the Ljusnan River, which ultimately reaches the Baltic Sea. The Baltic Sea is a brackish, semi-enclosed sea with limited water exchange, making it sensitive to nutrient pollution. Advanced treatment at Kilafors ARV reduces the load of nitrogen and phosphorus, helping to mitigate eutrophication risks in the coastal waters of the Gulf of Bothnia.
Frequently asked questions
Kilafors ARV is located at Björnnäsvägen, Kilafors herrgård, in Kilafors, Bollnäs Municipality, Gävleborg County, Sweden.
The plant serves approximately 1,800 people, classifying it as a small agglomeration under EU wastewater treatment directives.
Treated wastewater from Kilafors ARV is discharged into a local watercourse that flows into the Ljusnan River system, eventually reaching the Baltic Sea.
Kilafors ARV provides advanced treatment, which includes nutrient removal beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive.
Sweden implements the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets treatment standards based on population size and receiving water sensitivity. For small agglomerations like Kilafors, secondary treatment is typically required, but the plant exceeds this with advanced treatment.
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