Since last autumn, the municipality has investigated what lies behind the high levels.
First, they looked at the water pipes that go to the treatment plant, without results.
Now you look instead at the sewers in the area.
But the investigation is not expected to be completed before the summer, and therefore they are now choosing to issue a dissuasion.
Frösjöstrand is the bathing place just north of the train station.
Now the municipality instead wants to attract to Klämmingsbergsbadet a couple of kilometers north of Gnesta.
To do this, the municipal board has decided to procure a bath taxi that will go from the center to the bath during the summer.
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What exactly is E. coli?
Hear Anders Jonsson, professor of environmental science at Mid Sweden University, explain.
Photo: SVT