Skip to main content
U.S. flag

An official website of the United States government

Methods for estimating annual exceedance-probability streamflows for streams in Kansas based on data through water year 2015

August 14, 2017

A study was done by the U.S. Geological Survey in cooperation with the Kansas Department of Transportation and the Federal Emergency Management Agency to develop regression models to estimate peak streamflows of annual exceedance probabilities of 50, 20, 10, 4, 2, 1, 0.5, and 0.2 percent at ungaged locations in Kansas. Peak streamflow frequency statistics from selected streamgages were related to contributing drainage area and average precipitation using generalized least-squares regression analysis. The peak streamflow statistics were derived from 151 streamgages with at least 25 years of streamflow data through 2015. The developed equations can be used to predict peak streamflow magnitude and frequency within two hydrologic regions that were defined based on the effects of irrigation. The equations developed in this report are applicable to streams in Kansas that are not substantially affected by regulation, surface-water diversions, or urbanization. The equations are intended for use for streams with contributing drainage areas ranging from 0.17 to 14,901 square miles in the nonirrigation effects region and, 1.02 to 3,555 square miles in the irrigation-affected region, corresponding to the range of drainage areas of the streamgages used in the development of the regional equations.

Citation Information

Publication Year 2017
Title Methods for estimating annual exceedance-probability streamflows for streams in Kansas based on data through water year 2015
DOI 10.3133/sir20175063
Authors Colin C. Painter, David C. Heimann, Jennifer L. Lanning-Rush
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Scientific Investigations Report
Series Number 2017-5063
Index ID sir20175063
Record Source USGS Publications Warehouse
USGS Organization Kansas Water Science Center