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<br />1.496 <br /> <br />. <br /> <br />Mormon, South Fork, Chapman, Nast, and ~unningham Tunnels; and Halfmoon <br />diversion and the sixteen west slope divers!ions. <br /> <br />Ruedi Reservoir was operated for flood control, recreation, and fish and <br />wildlife purposes. Ruedi water was available for sale on a year-by-year <br />basis, under temporary contracts based on present needs, and for the four <br />long-term contract holders. <br /> <br />Turquoise Lake was operated for <br />on a service basis, as well <br />recreation purposes. <br /> <br />Twin Lakes and Mt. Elbert Forebay (a single purpose storage facility for <br />pumped-storage peak power development) were operated for regulation of <br />project and non-project water on a service, basis, as well as for the opera- <br />tion of Mt. Elbert Pumped-Storage Powerplant. <br /> <br />Pueblo Reservoir was operated for regul~tion of project and non-project <br />water on a service basis, as well as for flood control, fish and wildlife, <br />and recreation purposes. <br /> <br />regulation; of project and non-project water <br />as for irjcidental fish and wildlife and <br /> <br />III. REPORT ON OPERATIONS OURING WATER YEAR 1983 <br /> <br />A. Ruedi Reservoir <br /> <br />. <br /> <br />The 1982 water year ended on September 30, 1982, with Ruedi <br />Reservoi r contai n i ng 100,480 acre-feet of :water. Releases were bei ng made <br />at a rate of 160 ft3/s at this time. This release rate was decreased in <br />early March to about 100 ft3/s and contin~ed unti 1 the first of April when <br />the release was increased to slow the rate :of storage. <br /> <br />Beginning the middle of May when the heavy snows came, the release was <br />increased to 250 ft3/s to allow the passage of the additional runoff. By <br />the second week of June, the unexpected high inflow caused releases to be <br />increased. By June 29, the release was p.p to 1,270 ft3/s (see exhibit 1 <br />for the accumulated precipitation at Mered~th). The maximum reservoir con- <br />tent was 101,610 acre-feet on June 27. ~he 1,270 ft3/s release rate was <br />reduced on June 30 to 1,080 ft3/s. The rate continued to be reduced almost <br />daily until July 15 when inflow-outflow were,basically matched at 300 ft3/s. <br /> <br />The reservoir maintained a relatively constant elevation throughout the <br />remainder of the water year. The inflow steadily declined to approximately <br />70 ft3/s on September 30, 1983. <br /> <br />During water year 1983, one contract for ~uedi water was initiated with the <br />City of Rifle. However, no water was called for under this contract and no <br />, <br />requests were made for releases of stored water by the four long-term <br />storage contract entities. The content on September 30, 1983, was 98,580 . <br />acre-feet. <br /> <br />2 <br />