From 1979 to 2005, the total water use in Pepin County had increased from about 1.2 milliongallons per day to about 3 million gallons used per day (Protecting Groundwater in Wisconsinthrough Comprehensive Planning). This increase in water use is believed to be from irrigationand industrial use. Water use trends in commercial use do not reflect the use in private water, orits quality however. In 2019, the Department of Natural Resources (DNR) estimated that 1 in 5(20.1%) private wells exceed the ...