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.

Map of 7-day average streamflow compared to historical streamflow for the day of the year (Delaware)

or

de
01488500 01484100 01493000 01491000 01487000 01483700 01483200 01478000 01495000 01485000 01484525 01481500 01481000 01480000 01479820 01479000 01477800 01477000 0148471320 01484695 01483155 01480015 01478650 01478245 01478120
Choose a data retrieval option and select a location on the map
map legend