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 ...

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 ...

This bioreactor in Gifford is scheduled to go online soon. The bioreactor will remove nitrates from the village’s wastewater stream. It will be the first municipal-operated one in the state. Our ...

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 ...

DES MOINES (AP) -- A new cleanup system could help end complaints over Des Moines officials dumping nitrates removed from public water supplies back into the river that some southern Iowans must then ...

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 ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Nitrate pollution is no longer just some nebulous concept for residents of Iowa’s largest city, and the ...

A water tower in Marion, Ohio. A recent analysis by the Environmental Working Group found that Iowa communities dealing with nitrate contamination in their drinking water are more likely to be lower ...