Nitrate levels in the Raccoon River are the highest they have been since 2013, forcing local officials in central Iowa to enact a lawn watering ban for the first time. The stage three water shortage ...

A new report from the Alliance for the Great Lakes finds agricultural runoff is driving nitrate contamination in Wisconsin’s ...

Rich Gradoville reads the results of a test strip he dipped into a spot along the Des Moines River to monitor the nitrate levels, and records the results on an app on his phone. (Photo by Cami ...

Environmental groups penned a letter to the U.S. Environmental Protection Agency urging the federal agency to maintain its ...

Nitrates and nitrites are naturally occurring compounds that are found in vegetables and added to processed meats. Nitrates convert to nitrites that can become either beneficial nitric oxide or ...

Citizen scientists in Iowa are monitoring nitrate levels in streams and drinking water through the Izaak Walton League's Nitrate Watch program. The data collected supplements state monitoring efforts ...

A study conducted in Nebraska reveals that agricultural nitrate can mobilize natural uranium in Midwestern aquifers, ...

The Wisconsin Department of Natural Resources put in place a "Do Not Drink" order to the residents of Williams Bay after tests of the water supply revealed elevated nitrite levels. The village is ...

These chemicals are found in everything from bacon and sausage to beets and celery — but how you consume them matters. Here‘s what the research says. Nitrates and nitrites are naturally occurring ...