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Warming Winters Bring More Nitrate Pollution In Drinking Water Near Farms

"When pollution gets bad enough in the rivers supplying Iowa’s largest city with drinking water, it costs Des Moines around $16,000 a day to run a special system to filter out dangerous nitrates. It’s a fact of life in the agriculture-dependent state — and climate change is making the water quality problem even worse."

Source: AP, 04/03/2026

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