Human waste pollutes some Wisconsin drinking water

Failing septic systems, leaking public sewer pipes and landspreading of septic waste can introduce dangerous pathogens into both rural and urban water systems. Experts say Wisconsin needs tougher laws to protect Wisconsin drinking water from contamination by sewage and septic waste.

Bacteria in state’s drinking water is ‘public health crisis’

Hundreds of thousands of Wisconsin residents are at risk of illness from waterborne pathogens in private and public drinking water supplies. Contamination by pathogens is of special concern because unlike pollution by metals or chemicals, pathogens can sicken people after just a single exposure.

As wells go deeper, radium levels rise in state tap water

As communities grow and pump more groundwater, radium from deep bedrock is contaminating dozens of water systems. The city of Waukesha wants to tap into Lake Michigan to solve its radium problem.