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The Raccoon River during a drought, with only a small channel of water flowing by rocky banks and sandbars

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Will More Downpours Spike Iowa Nitrate Levels? What Experts Say

Wednesday, August 12, 2026
Des Moines Register
https://www.desmoinesregister.com/story/weather/iowa/2026/08/11/will-rainy-augu…
The University of Iowa

IIHR—Hydroscience and Engineering

 College of Engineering

100 C. Maxwell Stanley Hydraulics Laboratory
Iowa City, Iowa 52242-1585
Email: iihr@uiowa.edu
Office: 319-335-5237
Fax: 319-335-5238

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