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<br />SUMMARY OF 1oo-YEAR FLOOD DISCHARGES <br />USED IN VARIOUS FLOOD PLAIN STUDIES <br />OF SOUTH BOULDER CREEK <br /> <br />..' <br /> <br />~, <br /> <br />'" <br />" <br /> <br /> Overbank Channel , Total <br />Year Consultant Study Prepared for: . Discharge Discharge ' Discharge Comment <br /> (CFS) (CFS) (CFS) ",,'. , <br />1969 US Army Corps of Denver Regional " <br /> Engineers Council of Unknown Unknown 5,000 <br /> Governments '. <br />1973 R.W. Beck & Urban Drainage and 5,200 ,@USHW36 <br /> Associates Flood Control Dist., Unknown Unknown " <br /> , City of Boulder, & 4,800 '@COHW,93 <br /> , <br /> Boulder County .' <br />1979 'C Leonard Rice . . . <br /> " <br /> Copsulting Water Flatiron Companies 3,600 2,600 6,200 (a) <br />" . Engineers, Inc. , \.: <br />.' . ,. <br />1986 Greenhorn and Urban Drainage and 3,850 2,100 ' 5,950 @COHW93 <br /> O'Mara, Inc. Flood Control Disl., <br /> . and Boulder County 1,600 4,500 6,160' @USHW36 <br /> @OSHW36, <br /> 2,620+- 3,540+- 6,160 wi Berm Around <br />1996 Love & Associates, University of Gravel Pit, <br /> Inc. Colorado ." @U$ HW 3{j, <br />, ,3,680+- 2,480+- 6,160, <br /> '. '. w/o Berm ArOllnd <br /> , y. ' Gravel ph <br /> .. <br /> <br />... <br /> <br />, ' <br /> <br />(a) Flood discharge was increased to 6,200+- cfs by the US Army Corps of Engineers between 1973 and 1979. <br />File: Q10OS.MMO <br /> <br />., <br />