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.
USGS Cumulative Streamflow Hydrograph Builder
(Warning: It may take several minutes to process)
Site Number: Year: 
Output: Y-axis scale: Y-axis unit:

For some streams, flow statistics may have been computed from mixed regulated
and unregulated flows; this can affect depictions of flow conditions.

Duration Hydrograph of Cumulative Streamflow

Additional Information