Manure from cows, such as these seen in a barn in Pepin County, Wis., has been tied to drinking water contamination in Kewaunee County. Photograph by Coburn Dukehart/Wisconsin Watch
In February 2019 I reported on the latest findings from scientists in Wisconsin who conducted a study of drinking water wells and their surroundings, showing that manure from cows that is stored or spread on farm fields poses a high risk for certain contaminants to infiltrate the wells.
Most nitrate, coliform in Kewaunee County wells tied to animal waste
More of my reporting for Wisconsin Watch can be read here.