In late August, the Izaak Walton League of America voiced concerns over the U.S. Department of Agriculture’s reorganization plan. In a letter (PDF Document) to Secretary of Agriculture Brooke Rollins,…
The nitrate pollution at the root of Central Iowa’s lawn watering ban is not unique to Central Iowa. The issue – and its sources – are incredibly widespread. In this…
Denise and Larry O’Brien, organic farmers and founding members of the Nishnabotna Water Defenders, are teaching their neighbors in Atlantic, Iowa to monitor pollution in waterways with Nitrate Watch. Learn…
Residents in Central Iowa have been placed under a first-of-its-kind lawn watering ban in response to stress on the water utilities from nitrate pollution in water sources. Data and insight…
Salt Watch staff and partners interviewed with reporter Kasha Patel from The Washington Post to discuss regional and nationwide chloride testing results and issues related to road salt pollution. One…
The League’s Samantha Puckett and Matthew Kierce led a Virginia Save Our Streams benthic macroinvertebrate monitoring demonstration at the Choose Clean Water Conference in May 2025. They are featured in…
Kate Hansen As the League’s Agriculture Program Director, I think about soil more than the average person. It has never felt more personal than last month, when my spouse and…

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.