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

Impaired waters have an identified pollutant that exceeds water quality standards and require a water improvement plan, known ...

Extreme weather spurred by climate change, including droughts and heavy rains, may increase the risk of nitrates from ...

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

Climate-driven extreme weather conditions, such as droughts and intense precipitation, may be accelerating the pace at which ...

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

The letter from the EPA said these segments need to be on the impaired water list because of their levels of nitrate and nitrite, which have a “known toxicity.”The EPA said it asked Iowa ...

The EPA identified one segment on the Cedar River, two segments on the Des Moines River, two segments on the Iowa River, one segment on the Raccoon River and one segment on the South Skunk River as ...

The study found heavy rains after a drought caused nitrates to seep 33 feet under farm fields in as little as 10 days. The study was published in Water Resources Research. "The conventional wisdom ...