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Version 3 is now available for all states

StreamStats version 3 is now available for all states. Version 2 has been retired. Currently, version 3 can only delineate drainage basins, compute basin characteristics, and estimate streamflow statistics using regression equations for user-selected sites. It also can provide reports of information for USGS data-collection stations. All other functionality that previously was available in version 2 will be added to version 3 as quickly as possible, with a goal of having all functionality available by the end of 2015.

Please help us conserve our server system resources by closing the Interactive Map window when you are finished using it. Doing so will help ensure system availability for all users. Thank you.

Also, please bookmark this page rather than the Interactive Map page, as the URL for the interactive map may change in the future.

StreamStats for Georgia can be used to estimate the magnitude of peak flows for Georgia under natural streamflow conditions at the 2-, 5-, 10-, 25-, 50-, 100-, 200-, and 500-year recurrence-intervals, which have the probability of exceedance in any single year of 50, 20, 10, 4, 2, 1, 0.5, and 0.2 percent, respectively. The report below presents the equations used to estimate the flow statistics, describes the errors associated with the estimates, and describes the methods used to develop the equations and to measure the basin characteristics used in the equations. Users should familiarize themselves with the report before using StreamStats to obtain estimates of streamflow statistics for ungaged sites.


Interactive Map


General information on the Interactive Map application, as well as specific sources and computation methods for basin characteristics are available here.


Information for streamgages that is provided in output from the Gaging Station Information tool has not yet been updated for Georgia. This information will be updated as soon as possible, and this notice will be removed at that time. Meanwhile, additional statistics can be found in the report above, as well as in the reports:

Streamflow estimates obtained for ungaged sites by use of the Estimate Flows Based on Similar Streamgaging Stations tool will be based on streamflow statistics from all three of the reports noted above.

StreamStats for Georgia was developed in cooperation with the Georgia Department of Transportation and the Georgia Environmental Protection Division.

Link to Georgia Department of Transportation Link to Georgia Environmental Protection Division

Contact Us if you experience any problems with this application.

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