Bill Hafs
Kewaunee County dairy farmer Chuck Kinnard walks a grassed waterway on his land, built to keep runoff from contaminating groundwater. Like many farmers here, he is acutely aware of what a thin layer of soil protects the bedrock below.

Expert: Managing manure keeps emerging pollutants out of water

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“A well-managed place is not going to get manure into the groundwater,” said Laurence Shore, a physiologist in Israel who studies the fate of hormones in the environment. With a video tour of an anaerobic digester at the two-dairy, 8,000-cow Holsum Dairies in Calumet County.