Laserfiche WebLink
<br />n("t"'.':': <br />_~1j.d <br /> <br />Narrows Unit <br />August 1966 <br /> <br />HYDROLOGY <br /> <br />Contributing drainage area above Narrows Dam site <br />Annual runoff, average <br />Kersey, Colo. (1947-1961). . <br />Narrows Dam site (estimated) <br />Annual runoff, maximum <br />Narrows Dam site (estimated) <br />Annual runoff, minimum <br />Narrows Dam site (estimated) <br />Peak daily discharge of record <br />Kersey, Colo. . . . . <br />Minimum daily discharge of record <br />Ke rs ey, Cola. . . . . . . . <br />Inflow design flood: Volume, 20 days. . <br />Peak discharge . .. .. <br />Historical floods: 1844, 1864, 1867, 1876, 1894, <br />1921, 1933, 1935, 1965 <br /> <br />13,450 sq. mi. <br /> <br />. <br /> <br />537,200 ac.-ft. <br />. . 365,200 ac.-ft. <br /> <br />. 663,400 ac.-ft. <br /> <br />. <br /> <br />. <br /> <br />. . <br /> <br />. . <br /> <br />115,700 ac. -ft. <br /> <br />31,000 c.f.s. <br /> <br />. . <br /> <br />. 28 c.f.s. <br />1,363,000 ac.-ft. <br />344,000 c.f.s. <br /> <br />REMARKS <br /> <br />The Narrows Unit was authorized as a unit of the Missouri River <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 />TIle 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 firm repayment arrangement, which <br />will be a prerequisite to the commencement of construction, it will <br />be necessary for the district to enter into appropriate contracts <br />with participating ditch companies, irrigation districts, and/or other <br />users. <br /> <br />7 <br />