Each summer, the Gulf of Mexico develops a hypoxic “dead zone,” an area of low to no oxygen spanning thousands of square miles where aquatic life is scarce. Join Dr.…
Environmental stewardship and farm profitability are not mutually exclusive. Join Dr. Matt Liebman, Iowa State University Professor Emeritus, as he draws from decades of groundbreaking research to describe actionable strategies…
In communities across the country, nitrate pollution is a tasteless, odorless, invisible contaminant posing serious harm to public health. Join Dr. David Cwiertny, Director of the University of Iowa’s Center…
Nitrate Pollution Awareness Week is a new initiative of the Izaak Walton League of America, aimed at amplifying education, monitoring, and advocacy surrounding nitrate pollution in water. But what is…
Nitrate Pollution Awareness Week is an initiative of the Izaak Walton League of America aimed at increasing public awareness of nitrate pollution, including its sources, impacts, and associated risks. During the…
On March 25, 2026, the Iowa Environmental Council and the Harkin Institute released an 88-page report titled “Environmental Risk Factors and Iowa’s Cancer Crisis” that summarizes medical research on the risk factors…
Reporting from the Cedar Rapids Gazette explains how Iowans participated in a record-breaking year for volunteer water testing in 2025. The Izaak Walton League’s Nitrate Watch program saw more requests…
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…
Growing up in a rural area surrounded by rivers and creeks, Grace has always been interested in the relationship between communities and waterways. So, when it came time to choose a topic for her senior capstone project, Grace decided to focus on water pollution…
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.