PRAIRIE DU SAC, WI — This village, which uses groundwater to supply its drinking water, now relies solely on ultraviolet (UV) light for disinfection, according to a July 17 article in The Sauk Prairie Eagle.
According to the article, this system is one of the first of its kind nationwide to disinfect with UV. Mark Borchardt, a research scientist at the Marshfield Clinic Research Foundation based in Marshfield, WI, said in the article, “They might be only the third municipality in the nation to do this for a groundwater system.”
Borchardt chose Prairie du Sac as one of 14 municipalities in Wisconsin for a federally funded study to determine the link between municipal groundwater and gastrointestinal illnesses in children, the article said. None of the municipalities chosen for the study, including Prairie du Sac, disinfected its drinking water, the article said.
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