ReVAQ – How EMS and Stakeholder Involvement is Getting Qualifying Biosolids Back onto Swedish Farms

Hugmark, P., Stockholm Water Company, Sweden


The project is driven by eight wastewater treatment plants (WWTPs) and lead by a governing group with representatives from
the Farmers Association, Food Industry, Perishables Trade, the Swedish Nature Conservation Society, Swedish Water and
the participating WWTPs. An independent inspector is engaged to check that the WWTPs really do what they have
The principal aim of the project is to investigate if sludge from municipality WWTPs can be so clean of pollutants with regard
to possible environmental disturbances that it can be used on arable land for food production in the long run. Another
important aim, and at the same time a very important goal, is to make a solid and trusting co-operation between the
participating stakeholders.
So far the experiences from the project are very good. The work in the governing group appears to function very well and in
a trustful way. The WWTPs taking part in the project have so far passed the inspections well enough to be approved for
continuous participation. And not to forget, the sludge quality has gone on to improve.

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