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 2023-2024 results from all over the United States. Click on any dot to see more data. Then, explore more results from previous years.