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FLOOD02643
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Last modified
1/25/2010 6:25:02 PM
Creation date
10/4/2006 11:02:12 PM
Metadata
Fields
Template:
Floodplain Documents
County
Denver
Community
Northeastern Colorado
Stream Name
South Platte and Tributaries
Basin
South Platte
Title
Post Flood Report South Platte Floods of May-June 1973
Date
7/1/1974
Prepared For
State of Colorado
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Flood Documentation Report
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<br />storage for the dB. te on 1 January 19"{3. Storage for January <br />was exceeded only in 1972 b~t the 1972 runoff was only average. <br />Runoff for the period April through September 1973, however, <br />was 257 percent or average. <br /> <br />c. Seminoe Reservoir. The fltoTage capacity of the Semi.noe <br />Reservoir is 1,010,825 acre-feet; on 1 January 19'73, the re,servoir <br />contained 649,262 acre-feet. Thill was 100,000 acre-feet lower <br />than on the same date the previOUl1 ~'ea.r. Forecasts of illflo" <br />generalJ.y were average or lOWer than average. The heavy SnollB <br />of April and May greatly increased the potential for high inflow <br />to the reservoir, consequently, inflow for the 4-mnth peri.od, <br />April through July, was the maximum of record, 1,301,200 acre- <br />feet. This was 183 percent of t.he s:lferage seasonal inflow of <br />712,500 acre-feet. The max:l.mum dllily inflow of 13,219 c.f.s. <br />was reached on 25 May 1973. The, maximum storage in Seminoe, <br />Reservoir of 999,682 acre-fElet ~Illll reached on 25 May 1973. <br /> <br />~'able, 12 <br />RESERVOIRS IN THE NOmE PlATTE RIVER BASIN <br /> <br />Reservoir River .storage Began Storage CeLpac ity <br /> (acre-fe,et) <br />Seminoe N. Platte 1939 1,0l0,E\25 <br />Kortes N. Platte 1959 4,'[65 <br />Pathfinder N. Platte 1909 1,015,B88 <br />Alcova N. Platte 193B 188,938 <br />Gray Reef N. Platte 1961 1,B04 <br />Glendo N. Platte 1956 795,1961 <br />Guernsey N. Platte 192'[ 45,228 <br />Whalen N. Platte 1909 1\00 <br />McConaughy N. Platte 1941 1,948,000 <br />LaPrele LaPrele 1909 20,000 <br />Lake Hattie Laramie BlJ.sin 190B Eo,ooo <br />Wheatland No. 2 Laramie BlIsin 18'78 98,000 <br />Lake Alice Canal 1912 11,171 <br />Lake Minatare Canal 1915 Eo ,'766 <br /> <br />lIncludes 271,889 acre-feet of flood control storage <br /> <br />31 <br />
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