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<br />Elbert County, Colorado <br /> <br />Drainage Basins: Running Creek, Kiowa Creek, <br />Comanche Creek, and West Bijou Creek <br /> <br />1.0 Introduction <br /> <br />The Colorado Water Conservation Board (CWCB) has retained <br />Michael Baker Jr, Inc, to complete a hydrologic study of the <br />following four drainage basins in Western Elbert County: Running <br />Creek, Kiowa Creek, Comanche Creek, and West Bijou Creek. <br /> <br />This report provides background on the hydrologic analysis of the <br />above four drainage basins. It is supported by the hydrologic <br />supporting computation packet. <br /> <br />2.0 Background Information <br /> <br />Elbert County is currently not a participating member of the National <br />Flood Insurance Program (NFIP). Therefore, a Flood Insurance Study <br />(FIS) has never been completed for the county. No other hydrologic <br />studies were used as background in the preparation of this report. <br /> <br />The studied drainage basins flow in a northerly direction and <br />eventually outfall into the South Platte River All four drainage basins <br />have downstream limits at the northern corporate boundary of Elbert <br />County. Discharges downstream of the Elbert County corporate limits <br />were not analyzed as part of this study. <br /> <br />IOO-year peak discharges were determined for every "major" tributary <br />found in the four drainage basins described above For the purposes of <br />this study, a major tributary is defined as any flooding source assigned <br />a name on the USGS 7.5" Quad map. Table I lists the major <br />tributaries found in each of the four drainage basins. <br />