Ryan Kunkle collects water from the Middle River in Warren County to test for nitrates. (Screenshot from video by Zach Sommers for Iowa Capital Dispatch)
On a Wednesday in April, after heavy rainfall, Paul Carlson of Ankeny drove to the end of a road under the Saylorville Dam and parked alongside Rock Creek. It was his sixth time this year at that location with a goal of testing the nitrate…
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https://iowacapitaldispatch.com/2026/04/25/heres-why-iowans-say-they-volunteer-to-test-lakes-rivers-for-nitrates/
https://iowacapitaldispatch.com/2026/04/25/heres-why-iowans-say-they-volunteer-to-test-lakes-rivers-for-nitrates/
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