$ 0 0 Series: Drinking Water QualityWhat Karst Is, And How It Affects Wisconsin's Drinking WaterScott GordonWisContextJuly 14, 2016 | 11 a.m.Any serious look at Wisconsin's geology and groundwater will at some point likely encounter the term "karst." The concept is hardly specific to Wisconsin, but it's helpful for understanding the land and drinking water across much of the state.More