Elevated nitrate levels in the Des Moines and Raccoon rivers prompted Central Iowa Water Works to start up its nitrate removal system this month. A network of water quality sensors shows a similar ...

Nitrate levels in central Iowa rivers are unusually high for January, prompting early water treatment and raising concerns ...

Denitrification bioreactors are engineered systems designed to remove nitrate from contaminated waters, particularly those influenced by agricultural practices. By utilising a solid carbon ...

WE’RE TRACKING THAT SNOW CHANCE AND THE COLDER TEMPERATURES HERE IN JUST A FEW MINUTES. NEW AT FIVE. NITRATE LEVELS ARE HIGH AGAIN IN CENTRAL IOWA’S MAIN DRINKING WATER SOURCES. AND NOW OFFICIALS ARE ...

Central Iowa Water Works is removing nitrates and keeping levels below the EPA's threshold of 10 milligrams per liter. But what happens to those nitrates after they're removed from our water? KCCI's ...

Iowa’s drought of more than three years has significantly reduced the amount of farm fertilizers in the state’s streams, but that doesn’t guarantee a complete nitrate reprieve for the Des Moines metro ...

For decades the city of Cold Spring, Minn., has wrestled with pollution from farms fouling its drinking water. Sealing contaminated wells and digging new ones didn't fix it. Changes to farm practices ...

Spiking nitrate levels in the Des Moines and Raccoon rivers have prompted Des Moines Water Works to fire up its nitrate removal plant for the first time in five years. The plant ensures water is safe ...

Running the facility in January is unusual but not unprecedented. All water produced by CIWW meets safe drinking water standards.