Lake Elwell (Tiber Dam)
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Upper Missouri River Basin Water Year 2013 Summary of Actual Operations Water Year 2014 Annual Operating Plans U.S. Department of Interior Bureau of Reclamation Great Plains Region TABLE OF CONTENTS SUMMARIES OF OPERATION FOR WATER YEAR 2013 FOR RESERVOIRS IN MONTANA, WYOMING, AND THE DAKOTAS INTRODUCTION RESERVOIRS UNDER THE RESPONSIBILITY OF THE MONTANA AREA OFFICE SUMMARY OF HYDROLOGIC CONDITIONS AND FLOOD CONTROL OPERATIONS DURING WY 2013 ........................................................................................................................ 1 FLOOD BENEFITS...................................................................................................................... 12 UNIT OPERATIONAL SUMMARIES FOR WY 2013 .............................................................. 14 Clark Canyon Reservoir ............................................................................................................ 14 Canyon Ferry Lake and Powerplant ......................................................................................... 21 Helena Valley Reservoir ........................................................................................................... 32 Sun River Project ...................................................................................................................... 34 Gibson Reservoir .................................................................................................................. 34 Pishkun Reservoir ................................................................................................................. 36 Willow Creek Reservoir ....................................................................................................... 37 Lake Elwell (Tiber Dam) .......................................................................................................... 46 Milk River Project..................................................................................................................... 54 Lake Sherburne ..................................................................................................................... 54 Fresno Reservoir ................................................................................................................... 56 Nelson Reservoir ................................................................................................................... 58 Bighorn Lake and Yellowtail Powerplant ................................................................................. 68 RESERVOIRS UNDER THE RESPONSIBILITY OF THE WYOMING AREA OFFICE CLIMATE SUMMARY ............................................................................................................... 80 FLOOD BENEFITS...................................................................................................................... 86 UNIT OPERATIONAL SUMMARIES FOR WY 2013 Riverton Unit ............................................................................................................................ 87 Bull Lake Reservoir .............................................................................................................. 87 i Pilot Butte Reservoir ............................................................................................................. 89 Boysen Reservoir and Powerplant ............................................................................................ 94 Anchor Reservoir .................................................................................................................... 100 Shoshone Project and Buffalo Bill Unit.................................................................................. 103 Heart Mountain Powerplant ................................................................................................ 103 Shoshone Powerplant .......................................................................................................... 103 Buffalo Bill Powerplant ...................................................................................................... 104 Spirit Mountain Powerplant ................................................................................................ 104 Buffalo Bill Dam and Reservoir ......................................................................................... 104 SUMMARY OF RESERVOIR OPERATIONS FOR BENEFIT OF FISH AND WILDLIFE, ENVIRONMENT, AND RECREATION Bull Lake Reservoir ................................................................................................................ 111 Boysen Reservoir .................................................................................................................... 111 Buffalo Bill Reservoir ............................................................................................................. 111 RESERVOIRS UNDER THE RESPONSIBILITY OF THE DAKOTAS AREA OFFICE WEATHER SUMMARY FOR NORTH AND SOUTH DAKOTA WY 2013 ......................... 113 FLOOD BENEFITS.................................................................................................................... 116 UNIT OPERATIONAL SUMMARIES FOR WY 2013 ............................................................ 118 Dickinson Reservoir ............................................................................................................... 118 Heart Butte Reservoir ............................................................................................................. 122 Jamestown Reservoir .............................................................................................................. 126 Deerfield Reservoir ................................................................................................................. 133 Pactola Reservoir .................................................................................................................... 134 Angostura Reservoir ............................................................................................................... 139 Keyhole Reservoir .................................................................................................................. 144 Shadehill Reservoir ................................................................................................................. 149 Belle Fourche Reservoir ......................................................................................................... 154 ii OUTLOOK AND OPERATING PLANS FOR WATER YEAR 2013 RESERVOIRS UNDER THE RESPONSIBILITY OF THE MOUNTANA AREA OFFICE Clark Canyon Reservoir ......................................................................................................... 161 Canyon Ferry Lake and Powerplant ....................................................................................... 167 Gibson Reservoir .................................................................................................................... 174 Lake Elwell (Tiber Dam) ....................................................................................................... 180 Milk River Project .................................................................................................................. 185 Lake Sherburne ................................................................................................................... 185 Fresno Reservoir ................................................................................................................. 186 Nelson Reservoir ................................................................................................................ 187 Bighorn Lake and Yellowtail Powerplant .............................................................................. 193 RESERVOIRS UNDER THE RESPONSIBILITY OF THE WYOMING AREA OFFICE Bull Lake ................................................................................................................................ 204 Boysen Reservoir and Powerplant ......................................................................................... 210 Buffalo Bill Reservoir and Powerplants ................................................................................. 214 RESERVOIRS UNDER THE RESPONSIBILITY OF THE DAKOTAS AREA OFFICE Dickinson Reservoir ............................................................................................................... 221 Heart Butte Reservoir ............................................................................................................. 221 Jamestown Reservoir .............................................................................................................. 221 Deerfield Reservoir ................................................................................................................ 222 Pactola Reservoir .................................................................................................................... 223 Angostura Reservoir ............................................................................................................... 224 Keyhole Reservoir .................................................................................................................. 224 Shadehill Reservoir ................................................................................................................ 225 Belle Forche Reservoir ........................................................................................................... 225 MAIN STEM RESERVOIRS AND ENERGY GENERATION DATA Corps of Engineers