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…
More than a century ago, conservationists founded the Izaak Walton League of America to curb the rampant pollution of the nation’s waterways and conserve vanishing wild places. In the decades…

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.