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Why central Iowa's nitrate concentrations are down

An expert explains why the factors driving lower nitrate levels are temporary.
Monday, August 3, 2026
We Are Iowa
https://www.weareiowa.com/article/tech/science/environment/nitrate-concentratio…
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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