Sätra waterworks produces drinking water for the Gävle distribution area. Today's preparation consists of pH adjustment with lye and chlorine dosage as well as UV light as a microbial barrier. Sampling of PFAS substances in the wells belonging to the distribution area has shown concentrations above the Swedish National Food Agency's new limit values for PFAS 4 and PFAS 21.

The goal of the project is to install a new preparation step to reduce the PFAS content so that in outgoing drinking water it is below the Swedish National Food Agency's new limit values for: PFAS 4: 4 ng / l PFAS 21: 100 ng / l.

Measurement of concentrations in groundwater from the start of the pilot trials 2022-10-01 shows PFAS 4 measured MAX 10.19 ng/l

Capacity Sätra waterworks: 360l/s The waterworks is located within the primary water protection area.

The scope of the general consulting assignment is estimated at approximately SEK 5,000,000

Sätra waterworks produces drinking water for the Gävle distribution area. Today's preparation consists of pH adjustment with lye and chlorine dosage as well as UV light as a microbial barrier. Sampling of PFAS substances in the wells belonging to the distribution area has shown concentrations above the Swedish National Food Agency's new limit values for PFAS 4 and PFAS 21.

The goal of the project is to install a new preparation step to reduce the PFAS content so that in outgoing drinking water it is below the Swedish National Food Agency's new limit values for: PFAS 4: 4 ng / l PFAS 21: 100 ng / l.

Measurement of concentrations in groundwater from the start of the pilot trials 2022-10-01 shows PFAS 4 measured MAX 10.19 ng/l

Capacity Sätra waterworks: 360l/s The waterworks is located within the primary water protection area.

The scope of the general consulting assignment is estimated at approximately SEK 5,000,000