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 ...

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

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 ...

The Raccoon River is one of the sources of drinking water for Des Moines Water Works. The water utility says nitrate levels in the river are elevated due to a rainy spring, which washes nitrates off ...

Excessive use of fertilizers has fueled global food production, but it has also left behind a serious problem: nitrate pollution in soil and water. High nitrate levels threaten drinking water safety, ...

Iowa’s largest water utility has begun operating its nitrate removal facility, as nitrate levels have spiked in the rivers that are the source of drinking water to 600,000 customers. “It isn’t as easy ...

It’s been a wet spring across Iowa, but water utilities in the Des Moines area are asking people to save water because nitrate levels are high in the Des Moines and Raccoon rivers. The rivers are a ...

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 ...

NEWS. I WAS NEWS LEADER DES MOINES WATERWORKS IS DOGIN SOMETHING IT HASN’T DONE IN FIVE YEARS. TH E NITRATE REMALOV FACILITY IS OPERATING AGAIN DUE TO SPIKE NITRATE LEVELS IN RAW SOURCE WATER.

PRATT —Nitrate pollution has forced a central Kansas town to shut off two wells that make up nearly one-quarter of its total permissible water supply. The state of Kansas will help Pratt afford the ...

ALGONA, Iowa -Cattails, native grasses and abundant wildlife flourish at two Conservation Reserve Enhancement Program wetlands, northeast and southeast of Algona. Lanny Miller, Conservation Reserve ...