The Raccoon River weaves past downtown Des Moines. One of the primary drinking water sources for the region, the river has high nitrate levels that have led to water restrictions for some 600,000 ...

A new study reveals the impact of what might may be precursors to harmful contaminants in drinking water, formed during water disinfection. Inactive ingredients in agricultural, pharmaceutical and ...

Iowa environmental groups — inspired by a successful campaign in Minnesota — are asking the U.S. Environmental Protection Agency to step in and protect drinking water in northeast Iowa from ...

Nearly a year ago, plans to turn some not-terribly-productive farmland into a wetland were announced as a pilot project. Now, deep-rooted grasses and plants friendly to bees and butterflies are ...

Illinois has been one of the top contributors to the problem. All the state’s waterways feed into the Mississippi River, so millions of pounds of nitrogen and phosphorus-rich discharge from wastewater ...

AMHERST, Mass. – Nitrous oxide (N 2 O) is a potent greenhouse gas, with 300 times the warming ability of carbon dioxide. Due to fertilizer runoff from farm fields, an increasing load of nitrogen is ...

Inactive ingredients in agricultural, pharmaceutical, and other common products have typically been excluded from consideration as potential contaminants in drinking water. However, while these ...