Summary statistics from the Nitrate Watch 2025 annual report are shared in reporting from Axios Des Moines. These statistics tell a story of high nitrate concentrations in waterways across Iowa as well as increased awareness and interest in documenting this pollution problem throughout the state in 2025.
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Your kit will include a bottle containing 25 nitrate test strips which you can use to test your water source(s) throughout the year. You’ll also receive postcards explaining how to use your nitrate test strips and how to share your Nitrate Watch results on the Clean Water Hub.
Your kit will include four test strips so you can test your waterway throughout the season. You’ll also receive a chart to help you interpret your results and a postcard with instructions for completing a Salt Watch test and reporting your findings.