Although road salt is (typically) only applied during the winter months, chloride pollution lingers and has year-round impacts within our waterways and environment. You can help uncover these impacts by getting involved in Salt Watch right now! As chloride persists, our monitoring and cleanup efforts do too. Thank you for being part of the solution.
Below, explore the interactive map of Salt Watch results from all over the United States. Click on any dot to see more data. You can also use the map controls to explore different timeframes and different water sources.
Scroll down to view final reports and more details from previous years.
Season 6 may be ending, but road salt can be even more of a problem for streams in the summer. Help us learn more about how aquatic life is affected by high chloride levels and warm weather. Get your Salt Watch test kit now.
Ready to submit your Salt Watch data? Head to the Clean Water Hub to get started.
Salt Watch is a trademark of the Izaak Walton League of America.