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Show XII-76 UPDATING THE HOOVER DAM DOCUMENTS TABLE LC-1-Colorado River System Consumptive Uses and Losses Report, P.L. 90-537 Lower Colorado River Basin Colorado River Mainstream Estimated Reservoir Evaporation and Channel Loss1 1971-75 (1.000 A.F.) Rest vvels Evaporation aa* Channel Lu MS * TtW Assigned Apparent atalataMSBalV Seneter law, Cowpict Len. Davis Water Late Late Late Was* Point to Dm to It aniOuMmel Year Mud Mohave Havsam Other Total Davis Dm (TaMelC-O) TaW Leu 1971 739 185 138 2 36 1,100 100 258 358 1.458 1972 724 188 140 2 36 1.090 100 252 352 1,442 1973 800 157 116 2 36 1,111 100 353 453 1.564 1974 813 178 133 2 36 1.162 100 317 417 1.579 1975 814 173 133 2 36 1.158 100 222 322 1.480 Average 778 176 132 2 36 1.124 100 280 380 1.504 ' Undistributed by States. * Uross evaporation less precipitation on water surface: Lake Mead gross evaporation is from Geological Survey Water Resources Data publications with the exception of 1975 which was estimated. Other impoundments include Palo Verde, Headgate Rock, Imperial, and Laguna diversion dams. These impoundments remain relatively constant throughout the year. 1 Channel loss above Davis Dam is assigned. TABLE LC-2-Colorado River System Consumptive Uses and Losses Report, P.L. 90-537 Lower Colorado River Basin Colorado River Mainstream and Tributaries Change in Contents-Major Reservoirs' 1971-75 (1,000 A.F.j Change in Cartels. Water Year Mai CM of UaaMe tortt* Area aai Resorveir Capacity Seat 1970 1971 1972 1*73 1*74 1S7S Sept 1*79 Colorado River Mainstream Lake Mead 27,377 16,769 117 565 2.725 -818 796 20.154 Lake Mohave 1.810 1,376 65 -37 8 -32 5 1.385 Lake Havasu 619 557 17 -10 -2 1 10 573 Senator Wash Reservoir 14 4 7 -5 -3 3 2 8 29.820 18,706 206 513" 2728" SI3 22,120 Gila River Salt River Project Reservoirs * 2.073 1,137 -431 -157 1,053 -597 63 1,068 San Carlos Reservoir 949 21 18 7 611 -376 -140 141 Lake Pleasant 158 79 -21 -28 80 -52 -38 20 Painted Rock Reservoir (2,492) - - - 219 -186 -15 18 (Flood Control) 3,180 1.237 -434 -178 1,963 -1,211 -130 1.247 Little Colorado River Lyman Reservoir 31 12 -9 -1 22 -13 10 21 Blue Ridge Reservoir i§ 11 -9 - 5 -5 3 5 23 -18 -1 27 -18 13 26 Bill Williams River Alamo Reservoir (Flood Control) (1.043) 11 - - -1 -1 1 10 Lower Colorado River System 33,046 19.977 -246 334 4.717 -2,076 697 23.403 1 From Geological Survey Water Resources Data publications and Bureau of Reclamation operational records. Does not include bank storage. 1 Includes Roosevelt, Apache, Canyon, and Saguaro Lakes on Salt River and Horseshoe and Bartlett Reservoirs on Verde River. 30 |
