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Last modified
1/26/2010 12:36:33 PM
Creation date
10/11/2006 11:05:18 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8443.100
Description
Narrows Unit - Project Description
State
CO
Basin
South Platte
Water Division
1
Date
8/1/1966
Title
Report on the Narrows Unit Colorado South Platte Division Missouri River Basin Project part 1
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />. <br /> <br />. <br /> <br />1.74:2, <br /> <br />Narrows Unit <br />August 1966 <br /> <br />HY1lROLOGY <br /> <br />Narrows D8Jf, site <br /> <br /> 13,450 sq. mi. <br /> 537,200 ac. -f't. <br /> 365,200 ac.-f't. <br /> 663,400 ac.-f't. <br /> 115,700 ac. -f't. <br /> 31,000 c.f.s. <br />. 28 c.f.s. <br />1,363,000 ac. -ft. <br /> 344,000 c.f.s. <br /> <br />Contributing drainage area above <br />Annual runoff, average <br />Kersey, Colo. (1947-1961). . <br />Narrows Dam site (estimated) <br />Annual runoff, maximum <br />Narrows Dam site (esti.mated) <br />Annual runoff', minimum <br />Narrows Dam site (esti.mated) <br />Peak daily discharge of record <br />Kersey, Colo. <br />Minimum daily discharge of' record <br />Kersey, Colo. <br />Inflow design f'lood: <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. . . . . <br /> <br />Historical f'loods: <br /> <br />Volume, 20 days. <br />Peak discharge . . . <br />1844, 1864, 1867, 1876, <br />1921, 1933, 1935, 1965 <br /> <br />. . <br />1894, <br /> <br />REMARKS <br /> <br />The Narrows Unit was authorized as a unit of the Missouri Hi ver <br />Basin Project by the Flood Control Acts of' 1946 and 1950. Precon- <br />struction activities were initiated in 1947 but were subsequently <br />terminated due to local opposition. Reauthorization of' the unit <br />became necessary with passage of' Public Law 88-442, 88th Congress, <br />H. R. 9521 on August 14, 1964. <br /> <br />The Lower South Platte Water Conservancy District was formally <br />organized on May 6, 1964. The district has indicated its willingness <br />to contract for supplemental water to be made available by unit. <br />However, in order to establish a f'irm repayment arrangement, which <br />w~ll be a prerequisite to the commencement of' construction, it will <br />be necessary f'or the district to enter into appropriate contracts <br />with participating ditch companies, irrigation districts, and/or other <br />users. <br /> <br />7 <br />
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