Water Quality Indicators Map

For guidance on how to use the tool, please visit the WQI help page.

For more information about the tool, please visit the WQI home page.

Data Pull Date

The currently presented water monitoring data were pulled from the U.S. Water Quality Portal in January 2025 and include data recorded from January 2014 - December 2024.  The facility data presented are refreshed weekly and the water quality monitoring data is refreshed bi-annually.  Current and historical data presented in the WQI can be downloaded from the WQI Data Downloads Folder.