Frank Michna buys bottled water for drinking and cooking in his Caledonia home because of high levels of molybdenum and boron in his well.

Safe, clean drinking water eludes many Wisconsinites

Hundreds of thousands of Wisconsin’s 5.8 million residents are at risk of consuming drinking water tainted with substances including lead, nitrate, disease-causing bacteria and viruses, naturally occurring heavy metals and other contaminants, the Wisconsin Center for Investigative Journalism has found.

Fly ash samples

‘Beneficial reuse’ of coal ash could contaminate drinking water statewide

It’s not a good sign when even the dogs won’t drink your tap water. “They sniff it and then drink the bottled water we pour,” said Frank Michna of Caledonia, one of hundreds of southeastern Wisconsin residents whose wells are contaminated by pollutants that may be coming from buried coal ash.

The number of CAFOs, or concentrated animal feeding operations, has shot up in the past decade — as have concerns about their impact on water quality and quantity.

Big farms, frac sand mines could feel force of judge’s groundwater ruling

Two weeks ago, Administrative Law Judge Jeffrey Boldt approved the state Department of Natural Resources’ issuance of permits for a large and controversial dairy farm in Central Wisconsin. But he also reduced the amount of water the farm could pump from proposed high-capacity wells and required the DNR to consider the impact of the withdrawals in conjunction with other, nearby wells — a concept known as cumulative impacts.