A UC Davis study reveals that extreme weather, such as heavy rains following droughts, rapidly pushes nitrates from ...

EPA says parts of Des Moines, Raccoon, Iowa, Cedar and S. Skunk rivers should be added to Iowa's impaired waters list because ...

"There's always some level of nitrates, even in the dead of winter," Hesemann said of the Cedar River. There is an existing ...

Iowa’s major urban drinking water supplies are contaminated with levels of toxic nitrates, linked to cancer, that exceed ...

and lower nitrate levels. Typically, if you have a high clay content soil, a heavy soil, it will get wetter quicker, and most ...

The nitrate concentration in the shallow groundwater exceeded the U.S. Environmental Protection Agency maximum contaminant level of 10 milligrams per liter for drinking water. “In California, we often ...

Several Kansas counties are seeing a dramatic increase in groundwater contamination. The region’s nitrate pollution comes ...

The nitrate concentration in the shallow groundwater exceeded the U.S. Environmental Protection Agency maximum contaminant level of 10 milligrams per liter for drinking water. “In California ...