Report Finds Wisconsin Is Among 10 States Where Nitrate Contamination Is Getting Worse

Wisconsin is among 10 states that have seen growing problems with nitrate contamination in drinking water, according to a new report by Environmental Working Group (EWG).

Nitrate contamination stems from a variety of sources, including farm runoff and leaking septic tanks or sewage. Long-term exposure to excess nitrate levels can cause blue-baby syndrome — a condition that affects how oxygen is transported through the blood. Nitrate exposure in infants under six months can cause serious illness or death...