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.
Minnesota StreamStats incorporates regression equations for estimating instantaneous peak flows with annual exceedance probabilities of 66.7, 50, 20, 10, 4, 2, 1, and 0.002 percent. These peak flows have recurrence intervals of 1.5, 2, 5, 10, 25, 50, 100, and 500 years, respectively. The report below documents the regression equations available in StreamStats for Minnesota, the methods used to develop the equations and to measure the basin characteristics used in the equations, and the errors associated with the estimates obtained from the equations. This report describes the development of a region-of-influence method for estimating peak flows as well as the development of regression equations. StreamStats has not implemented the region-of-influence method. Users should familiarize themselves with the report before using StreamStats to obtain estimates of peak flows for ungaged sites.
- Lorenz, D.L., Sanocki, C.A., and Kocian, M.J., 2009, Techniques for estimating the magnitude and frequency of peak flows on Small Streams in Minnesota based on data through water year 2005: U.S. Geological Survey Scientific Investigations Report 2009–5250, 54 p.
General information on the Interactive Map application, as well as specific sources and computation methods for basin characteristics are available here.
Contact Us if you experience any problems with this application.