A team of researchers at Iowa State University is developing a new way to test for nitrates in difficult-to-reach areas. The ...

Iowa State researchers are pioneering drone technology to streamline water testing for nitrates, promising faster data ...

AMES, Iowa – The underground tiles that drain farm fields can release water into remote and shallow waterways. It’s not always easy to get out there with equipment to sample and test for agricultural ...

On a Wednesday in April, after heavy rainfall, Paul Carlson of Ankeny drove to the end of a road under the Saylorville Dam and parked alongside Rock Creek. It was his sixth time this year at that ...

Gov. Mark Dayton unveiled a revised measure on March 6 to reduce elevated nitrate levels in water supplies that includes restrictions on the application of farm fertilizers in the fall, his ...

A federal judge has granted a preliminary injunction requested by the Environmental Protection Agency that will force Granger-area dairies to test for nitrates in nearby residential drinking water.