The Spring Flush: Why are nitrate concentrations higher in the spring?
April showers bring… polluted runoff? Unfortunately, this is the case in many parts of the United States. The results can be dangerous. Waterways often see peak nitrate concentrations in the…
My Town Tried to Tell Me There’s No Road Salt in This Photo
In late January 2019, I observed a township truck spreading salt in my neighborhood ahead of what turned out to be a dusting of snow. The driver spread so much…
Sackett v. EPA Spells Disaster for Wetlands and Clean Water
In the largest rollback of clean water protections in 50 years, the Supreme Court ruled in May that the Clean Water Act does not protect a majority of the nation’s…
Something’s Fishy in Maryland
Karl, a Salt Watch volunteer in Maryland, is passionate about water sampling and protecting our waterways. He is promoting change in the water quality world, and he encourages others to…
70 Years of Conservation
Mike Delaney, an Iowan and an Izaak Walton League member, is passionate about combatting nitrate pollution in his local waterways. He has been monitoring and advocating for change for over…
It Takes a Village
Bepe had just moved into her home in Grayson County, VA, when she heard helicopters overhead. Small droplets were falling from these helicopters onto Bepe and her property. She would…
This Fifth-Grader Is Making Important Discoveries About Salt Pollution
Alice, a mom of three kids in central Minnesota, got started with the Izaak Walton League’s Salt Watch program last winter – and her family is already making a difference…
Got Clean Water? Demand Better Farm Policies
Three-quarters of all the water we use and 56 percent of our drinking water comes from lakes and rivers. Each year, 55 million Americans go fishing—that’s one out of six…
‘Conservation group hosts its first-ever ‘snapshot’ of Cedar River nitrate levels’
This article from the Cedar Rapids Gazette profiles Nitrate Watch water monitoring efforts by the Linn County Iowa chapter of the Izaak Walton League.

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.