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<br />132.i
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<br />ANNUAL OPERATING PLAN
<br />FRYINGPAN-ARKANSAS PRroECr, COLORAOO
<br />1979-80 OPERATIONS
<br />1980-81 Ol1l.'UXlK
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<br />I. GENERAL
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<br />This is the t:Y.o:lfth Annual Operating Plan for the F:ryingpan-Arkansas
<br />,project, which, when o:rnpleted will a:msist of federally owned dams,
<br />reservoirs, canals, conduits, tunnels, pumping plants, hydroelectric
<br />powerplants, electric transmission lines, substations, and other facilities.
<br />As indicated by the enclosed project map, these features are, or will
<br />be, located in the F:ryingpan River and Hunter Creek drainage areas of
<br />the Colorado River Basin and in the Arkansas River Basin, central and
<br />southeastenl Colorado, respecti vel y .
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<br />These extensive =rks will ultilllately make r:ossible the orderly and
<br />beneficial use of water for irrigation, hydroelectric ~ generation,
<br />fish and wildlife preservation, municipal and industrial uses, and
<br />provide flocxl. rontrol and other incidental l:enefits.
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<br />The putpOse of this report is to provide a basis for increased OXlperation
<br />and understanding arrong all roncerned with the coordinated operation of
<br />the project. The rer:ort has t\\O main parts. The first part rer:orts the
<br />results of actual operations through water year 1980. The other presents
<br />operating plans for water year 1981 under given water conditions.
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<br />In establishing the general plan for future operations, three r:ossibilities
<br />are considered: (1) a reasonable ll'aXimt.ntl water supply; (2) a reasonable
<br />minimum water supply; and (3) a nest probable water supply. These three
<br />conditions of water supply are derived by statistical analysis of historical
<br />water supply data. After review of the nenthly snow surveys prepared by
<br />the Soil Conservation Service, a new plan is fonnulated based on the
<br />projected water supply.
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<br />The F:ryingpan-Arkansas Project was authorized under Public Law 87-590,
<br />87th Cbngress, H.R. 2206, on August 16, 1962. This law provides that
<br />the project will l:e operated under ~rating Principles adopted by the
<br />State of Colorado April 30, 1959, as amended December 30, 1959, and
<br />December 9, 1960. These ~rating Principles were published by the 87th
<br />Cbngress, 1st Session, as House Document Job. 130. A ropy of these
<br />C{lerating Principles is included as an appendix to this rer:ort.
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<br />II. P~ FEATURES IN OPERATION - 1979-80
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<br />In 1979~80, project features in operation \\ere Ruedi Dam and Reservoir;
<br />Sugar LOaf Dam and TurquOise lake; Pueblo Dam and Reservoir; Charles H.
<br />Boustead, Hunter, Carter, M::lrnon, South Fork, Chapnan, Nast and CUnningham
<br />Turmels. Diversion structures operated previously and for the full 1980
<br />season were Fryingpan, South Fork, Chapnan Gulch, Sawyer Lake, Lily Pad,
<br />Ivanhoe, Middle Cunningham, North Cunningham and M::lrnon Creeks. Diver-
<br />sion sttUctures operated for the first tirrE and for the full 1980 season
<br />were North Fork, Carter, Hunter, Midway, and No Name Creeks.
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