‘Iowans across the state asked to conserve water due to dry wells, high nitrate levels’
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…
Volunteers detect nitrate on the rise in waters nationwide
Nitrate Watch volunteers have been busy in 2025 and their data is starting to paint a picture. What does the data show us? Nitrate concentrations are steadily climbing in surface…
League staff featured in NPR article on how government and non-profit agencies assess stream health in Virginia
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…
A dust storm hit close to home. Congress is behind on the bill that could help.
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…
Federal judge rules in favor of wetlands, Conservation Compliance
In a win for conservation, water quality and wildlife across the country, on May 29, a federal judge ruled in favor of wetland protections on agricultural lands. American taxpayers fund…
Responding to an Acute Pollution Event
On April 3, 2025, a tanker truck carrying gasoline and diesel fuel crashed into a bridge in Great Falls, Virginia. As a result, around 2,600 gallons of fuel spilled onto…
New York Times profiles youth-led Green Crew program created by Izaak Walton League in Minnesota
On May 20, the New York Times featured the work of the Green Crew, which is a youth-led program created by an Izaak Walton League chapter in Minnesota. The Times…
League urges Senate to remove dangerous anti-conservation provisions for reconciliation package
To prevent irreparable damage to the nation’s natural resources, the Izaak Walton League is calling on the U.S. Senate to take dangerous anti-conservation measures out of the budget reconciliation package.…
Don’t short-change future generations by selling off America’s public lands to pay for a tax package
Some Republicans in Congress have begun to float ideas about paying for a massive package of tax cuts by selling off some of America’s priceless public lands. House Natural Resources…

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.