Researchers have completed the fourth and final round of private well sampling to determine sources of fecal contamination in wells that were previously flagged for issues as part of an ongoing groundwater study in southwestern Wisconsin. The findings released Wednesday found 76% of all wells sampled during those rounds had fecal contamination from humans or livestock.

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The cities of New Berlin and Waukesha approved a deal on Tuesday to resolve a standoff over a pumping station that threatened to delay Waukesha's plan to build a pipeline to supply it with Lake Michigan water.

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The board of the state Department of Natural Resources on Wednesday authorized the department to start drafting new water quality standards for a range of pollutants, including PFAS.

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A committee on Wednesday voted to advance a bill that would compel Wisconsin child care centers to root out lead-tainted water infrastructure.

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A bipartisan water pollution task force proposed more than a dozen bills Wednesday designed to curb contamination across Wisconsin, capping a year's worth of research and discussion.

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In recent years, the safety of our drinking water has come to the forefront of Wisconsin politics.

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The majority of private wells in southwestern Wisconsin are substantially polluted with fecal matter as concerns intensify over the pollution of rural drinking water, according to a new study.

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Gov. Tony Evers' administration is recommending new groundwater-quality standards for 27 substances determined to be a threat to public health, including compounds known as PFAS.

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Gov. Tony Evers plans to use his first state budget to call for allowing state environmental and agricultural officials to borrow nearly $70 million more over the next two years to combat water pollution and replace lead pipes, following through on his pledge to improve the quality of drinking water.

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The new state Department of Natural Resources Secretary, Preston Cole, is bringing a former water administrator back to the agency.

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