Des Moines Water Works spent over $1 million to treat near-record nitrate levels this summer that necessitated a law-watering ban A study is underway to determine the best approach for expanding ...

Over the past several weeks, nitrate levels in the Des Moines metro's drinking water have been a hot topic of discussion. A lawn watering ban that was implemented June 12 prompted rumors of a ...

Nitrate levels in the Des Moines and Raccoon rivers are still above the Environmental Protection Agency's safe limit of 10 milligrams per liter, but local water officials say treatment facilities ...

Central Iowa Water Works is allowing splash pads and spray grounds to reopen despite a lawn watering ban remaining in effect. The decision comes as nitrate levels in source water are slowly decreasing ...

CIWW's nitrate removal facility began operating on Jan. 6. It saw a brief reprieve March 3-8, but resumed operations on March ...