Madeline Gotkowitz, a hydrogeologist at the Wisconsin Geological and Natural History Survey.

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Content referencing Madeline Gotkowitz

Metro Groundwater Has Rising Radium Levels

Metro Groundwater Has Rising Radium Levels

Study finds high radium levels in southern Wisconsin’s well water, including Brookfield, Sussex, Waukesha.

Tainted Water: Arsenic Still Poisons Many Wells
Tainted Water

Arsenic Still Poisons Many Wells

Despite state efforts, problem persists in 51 of 72 counties, affects more than 22,000 homes.