Overview
Gavle avloppsreningsverk Duvba is a municipal wastewater treatment plant serving Gävle, Sweden. It handles a population equivalent of over 100,000 and is located near the Baltic Sea coast.
Gavle avloppsreningsverk Duvba is a major wastewater treatment facility serving the city of Gävle in Gävleborgs län, Sweden. The plant is situated in the Bomhus district and manages wastewater for a population of approximately 101,581, placing it in the large agglomeration category under EU regulations. As a Swedish plant serving over 100,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum and tertiary treatment in sensitive areas. The Baltic Sea region is designated as a sensitive area under the directive, necessitating advanced treatment to reduce nutrient loads that cause eutrophication. The plant's treated effluent is discharged into the Baltic Sea via the Gävle coastal area. The Baltic Sea is a brackish inland sea with limited water exchange, making it highly sensitive to nutrient pollution. The plant's operations are critical for protecting the local marine environment and supporting Sweden's commitments to the Baltic Sea Action Plan.
Environmental context
The plant discharges into the Baltic Sea near Gävle, a coastal city on the Gulf of Bothnia. The Baltic Sea is a semi-enclosed brackish sea with limited water exchange, making it highly vulnerable to eutrophication from nutrient inputs. The receiving waters support diverse marine life, including fish stocks and migratory bird populations, and are part of a broader ecosystem that requires stringent nutrient removal to maintain ecological balance.
Frequently asked questions
The plant is located at Norra Grönskärsvägen in the Bomhus district of Gävle, Gävleborgs län, Sweden.
The plant serves a population equivalent of approximately 101,581 people, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into the Baltic Sea near the Gävle coast, contributing to the Gulf of Bothnia watershed.
As a Swedish plant serving over 100,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and, in sensitive areas like the Baltic Sea, tertiary treatment for nutrient removal.
Plants of this scale in Sweden typically employ mechanical, biological, and chemical treatment stages, including phosphorus removal, to meet stringent discharge limits aimed at protecting the sensitive Baltic Sea environment.
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