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<br />. <br /> <br />1-25 to the Arkansas River no major ponding problems were <br /> <br />. <br /> <br />encountered. <br /> <br />It should be noted that flooding downstream of the lake can be <br /> <br />. <br /> <br />documented by historic accounts. <br /> <br />According to CF & I Steel <br /> <br />records, Lake Minnequa overflowed in 1921 and 1965. <br /> <br />No records <br /> <br />or documentation of the 1921 flood are available but according to <br /> <br />. <br /> <br />Mr. Ralph Adkins of CF & I Steel the 1965 flood event did flood <br /> <br />the street system below the curb line the night of August 22, <br /> <br /> <br />1965. Using a gage height of 17.72 feet and a spillway crest of <br /> <br />. <br /> <br />1.32 feet as stated by Mr. Adkins and using our stage-discharge <br />curve the 1965 event had a outflow discharge of 800 to 1000 cfs. <br /> <br />I This is <br />I- records <br />I <br />I Pueblo <br />, <br /> <br />important, since according to National Weather Service <br /> <br />the August 22, 1965 precipitation amount measured at the <br />Reservoir located 0.6 miles from Lake Minnequa was 2.35 <br />inches and according to the NOAA Atlas for Colorado less than a <br /> <br />. <br /> <br />la-year storm event. <br /> <br />Selected technical information developed for this determination <br /> <br />. <br /> <br />are included with this report. <br /> <br />South Pueblo Area <br /> <br />. <br /> <br />The U. S. Army Corps of Engineers hydrologic determination for <br />this area followed the same procedures as described for the Lake <br /> <br />. <br /> <br />-7- <br /> <br />. <br />