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<br />Flaminr, Gorge Reservoir on the (;reen Itiver and nlue He~" Reservoir on <br />the Cunnison River contribute to cutting inflo", to Lal:" 1'0"1,,11. <br /> <br />2. 1.ake Head. RegulatIons provide for the une of .1 rule <br />curve ~o p,overn the operations of Lake Head for flood control durin!" <br />the period August 1 to January 1. Flood contro 1 storage space is <br />defined as the available storage space bel"" elevation 1,229 feet. <br /> <br />Date <br /> <br />Available flood-control <br />storage ~ce (acre-feet) <br /> <br />August 1 . . <br />September 1 <br />October 1 <br />November 1 <br />December 1 <br />January 1 <br /> <br />1,500,000 <br />1,500,000 <br />1,500,000 <br />2,675,000 <br />J,96J,000 <br />5.J50,000 <br /> <br />After January 1, the operations for flood control are governed by <br />runoff forecasts. <br /> <br />The available flood control storar,e spnce in 1.aJ:e Mead on <br />November 1, December 1, and January 1 may be reduced to 1,500,000 <br />acre-feet if the difference is replaced ",ith creditable storage space <br />in upstream reservoirs. <br /> <br />D. ro"'er. <br /> <br />1. ~ Basin. The CRSP po",er and energy requirements frequently <br />vary as much as 10 percent depending on climatolop,icnJ conditions, <br />customer unit maintenances, energy conservation ptactlces and economic <br />conditions. It is anticipated thst, with average "'ater supply condItions. <br />the storap,e project will require about 6,400 Hk\~h during water year 1975 <br />to satisfy firm po",er contract requirements. In addition, about 270 }lk\Jh <br />"'ill be required to satisfy Hoover deficiency ohligations (the decrense <br />in generation at Hoover due to the storage project) duting that yea,. To <br />meet 1975 project energy commitments ",ill require the purchaac of nbout <br />1,200 MY.\}. During the succeed in", 10 years, it is anticIpated that the <br />total energy requirements ",ill be about the same l11ap,ni tude an for 1975. <br /> <br />To the extent system conditIons will permit, purchased energy <br />will be obtained during the li!\ht load 0>' offpenk hours. Purchase of <br />offpesk energy will require the opera tion of CRSP rlant~ at a reduced <br /> <br />11. <br />