Overview
Skoklosters Avloppsreningsverk is an advanced wastewater treatment plant in Slottsskogen, Sweden, serving 1,083 people. It discharges 170.01 m³/day of treated wastewater and is located near the coast.
Skoklosters Avloppsreningsverk is an advanced wastewater treatment plant located in Slottsskogen, Håbo kommun, Uppsala län, Sweden. The facility serves a population of 1,083 and has a designed capacity of 2,900 m³/day, with a current discharge volume of 170.01 m³/day. As an advanced treatment plant, it goes beyond secondary treatment to remove nutrients such as nitrogen and phosphorus, which is typical for Swedish plants discharging into sensitive coastal waters. Sweden implements the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for discharges into eutrophication-sensitive areas. The plant is situated within 10 km of the Baltic Sea coast, making its discharge potentially influential on coastal water quality. The treated effluent likely flows into local watercourses that drain into the Baltic Sea, a brackish sea with significant ecological importance and vulnerability to nutrient pollution.
Environmental context
The plant is located near the Baltic Sea coast, within the drainage basin of the Norrström river system, which ultimately discharges into the Baltic Sea. The Baltic Sea is a semi-enclosed brackish sea with limited water exchange, making it highly sensitive to nutrient inputs that can cause eutrophication and algal blooms. The advanced treatment at this plant helps reduce the nutrient load to this ecologically sensitive marine environment.
Frequently asked questions
Skoklosters Avloppsreningsverk is located in Slottsskogen, Håbo kommun, Uppsala län, Sweden. The address is Österkvarnsvägen, Österkvarn, Slottsskogen, 193 91.
The plant serves a population of 1,083 people.
The plant discharges treated wastewater at a volume of 170.01 m³/day. Given its proximity to the coast, the effluent likely enters local watercourses that flow into the Baltic Sea.
The plant provides advanced treatment, which includes nutrient removal (nitrogen and phosphorus) beyond secondary treatment. This is required under the EU Urban Waste Water Treatment Directive for discharges into sensitive areas like the Baltic Sea.
Sweden implements the EU Urban Waste Water Treatment Directive (91/271/EEC). For plants serving over 1,000 people, secondary treatment is mandatory, and advanced treatment is required for discharges into eutrophication-sensitive waters. This plant's advanced treatment aligns with these requirements.
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