In 2019, private wells in the Mower County study area (eleven townships) were sampled for nitrate-N. Samples were collected from private wells using homeowner collection and mail-in methods. These initial samples were collected from 852 wells representing an average response rate of 40 percent of homeowners. Well log information was obtained when available and correlated with nitrate-N results. Initial well dataset results showed that across the study area, 6.3 percent of private wells sampled were at or above the health standard of 10 mg/L for nitrate-N. Based on the initial results, it is estimated that 400 residents could be consuming well water with nitrate-N at or over the HRL.
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Minnesota Department of Agriculture (St. Paul, Minnesota)
Minnesota Department of Agriculture