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 contact USGS WaterWatch if you have any questions.

Download WaterWatch Map Shapefile

More information is available from WaterWatch shapefile description. Data of USGS streamflow condition maps are available from USGS WaterWatch. The map data for real-time streamflow, and flood and high flow conditions are also available from USGS WaterWatch Data Services.