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.' . "'0 1J06 . ANNUAL OPERATING PLAN FRYINGPAN-ARKl\NSAS PROJECI', cx)LORADO WATER YEAR 1981 ClPERATICNS WATER YEAR 1982 CUI'UXJK 1. GENERAL This is the thirteenth Annual Operating Plan for the Fryingpan-Arkansas Project. The project is essentially CC!l1plete and consists of federally owned dams, reservoirs, conduits, tunnels, purrq;:>ing plants, a pumped- storage powerplant, electric transmission lines, substations, and other facilities. As indicated on the enclosed project map, these features are located in the Fryingpan River and Hunter Creek drainage areas of the Colorado River Basin and in the Arkansas River Basin, central and southeastern Colorado. These extensive MJrks will provide orderly and beneficial use of water for irrigation, hydroelectric ~ generation, municipal and industrial uses, flood control, and other incidental benefits, such as fish and wildlife preservation and recreation. . This report provides a basis for increased <XlOperation and understanding arrong all concerned with the <XlOrdinated operation of the project. Tre report has 1:1\0 main parts. The first part reports the results of actual operations in water year 1981 (()etober 1, 1980 to September 30, 1981). The second part presents operating plans for water year 1982 (October 1, 1981 to September 30, 1982). The nost probable condition of water supply was used in establishing the general plan for future operations. This condition of water supply was derived by statistical analysis of historical water supply data. After review of the nonthly SI'PW surveys prepared by the Soil Conservation Service, the plan may be revised based on the projected water supply. The Fryingpan-Arkansas Project was auth::>rized under Public Law 87-590, 87th Congress, H.R. 2206, on August 16, 1962. This law provides that the project will be operated under the Operating Principles adopted by the State of Colorado April 30, 1959, as arrended December 3D, 1959, and Decanter 9, 196D. These (flerating Principles w=re publiShed by the 87th Congress, 1st Session, as House Document 130. A copy of these Operating Principles is included as Appendix A to this report. II. PROJECI' FEATURES IN ClPERATICN OORING WATER YEAR 1981 In water year 1981, project features in operation w=re Ruedi Dam and Reservoir; Sugar IDaf Dam and TurqtDise rake; Pueblo Dam and Reservoir; and Charles H. Boustead, Hunter, Carter, ~:rnon, South Fork, Chapnan, Nast, and cunningham Tunnels. Granite Creek diversion was put into operation in 1981 and, along with all the other diversions, was operated .