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Closeup of two hands, one holding a plastic bottle containing a water sample, and the other writing on it with a black Sharpie
Republished with permission © 2026 The Gazette, Cedar Rapids, Iowa

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Experts Sound Alarm Over High Nitrate Levels in Iowa Waterways

Monday, August 17, 2026
Sioux Country Radio
https://siouxcountyradio.com/local-news/experts-sound-alarm-over-high-nitrate-l…
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
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