Salt Watch Findings

winter salt watch logo

Season 4 of Winter Salt Watch is happening now! Explore the map below to see the results of chloride tests that are coming in from around the country. Click on any dot to see more data, or click the double-arrow icon at the top left to see the legend. Then get your Salt Watch kit and join our community science project.

Did you know that 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.

Results from Previous Years