NOTICE: In January 2020, USGS WaterWatch began operating in maintenance-only mode. Existing tools, features, and web data services are being fully maintained as before, but new tools and enhancements will no longer be developed. Please click here for more information or contact USGS WaterWatch if you have any questions.
USGS WaterWatch Streamflow Map
WaterWatch Streamflow Map
Choose a region and then click "GO" to view a regional map
(Warning: It may take several minutes to process)
Map type


Map of below normal 7-day average streamflow compared to historical streamflow for the day of the year

Tuesday, December 01, 2020
legend