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Upper Colorado River Commission Seventieth Annual Report

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Upper Colorado River Commission Seventieth Annual Report SEVENTIETH ANNUAL REPORT - UPPER COLORADO RIVER COMMISSION SEVENTIETH ANNUAL REPORT OF THE Upper Colorado River Commission SALT LAKE CITY, UTAH SEPTEMBER 30, 2018 34II III (This page has been intentionally left blank.) IV TABLE OF CONTENTS Page Letter of Transmittal.......................................................................................................................................iii Preface...........................................................................................................................................................1 Commissioners.............................................................................................................................................. 2 Alternate Commissioners...............................................................................................................................3 Officers of the Commission............................................................................................................................3 Staff................................................................................................................................................................3 Committees....................................................................................................................................................4 General Advisors to Commissioners..............................................................................................................4 Meetings of the Commission..........................................................................................................................5 Activities of the Commission.......................................................................................................................... 5 General Activities.....................................................................................................................................5 Specific Activities.....................................................................................................................................5 Oversight and Administration of Implementation of the 2007 Interim Guidelines for Lower Basin Shortages and Coordinated Operations for Lake Powell and Lake Mead (Interim Guidelines)....................................................................................................................................5 Negotiations with Mexico Regarding Shortage Sharing and Augmentation of Supply: Minutes 319 and 323.................................................................................................................... 6 Implementation of the Colorado River Basin Fund MOA...............................................................8 Lees Ferry Stream Gage on the Colorado River...........................................................................8 Upper Division States Drought Contingency Planning..................................................................8 Colorado River Basin Supply and Demand Study.........................................................................9 System Conservation Pilot Program.............................................................................................9 Staffing........................................................................................................................................10 ENGINEERING-HYDROLOGY...............................................................................................................10 1. Stream Flow and Hydrology Summary...............................................................................................10 2. Summary of Reservoir Levels and Contents......................................................................................10 3. Flows of Colorado River......................................................................................................................11 4. Colorado River Salinity Program.........................................................................................................25 COLORADO RIVER STORAGE PROJECT AND PARTICIPATING PROJECTS..........................................32 A. AUTHORIZED STORAGE UNITS...........................................................................................................32 1. Glen Canyon Unit...............................................................................................................................32 a. Adaptive Management..................................................................................................................... 34 b. Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead............................................................................................................35 c. Record of Decision for the Glen Canyon Dam Long-Term Experimental and Management Plan Final Environmental Impact Statement............................................................................................35 d. Recreational Use............................................................................................................................. 36 e. Invasive Mussel Control...................................................................................................................36 2. Flaming Gorge Unit............................................................................................................................36 a. Community of Dutch John................................................................................................................38 b. Flow and Temperature Recommendations and Larval Trigger Study Plan......................................38 c. Recreational Use..............................................................................................................................38 d. Invasive Mussel Control...................................................................................................................39 3. Navajo Unit........................................................................................................................................ 39 a. Recreational Use............................................................................................................................. 41 b. Invasive Mussel Control...................................................................................................................41 4. Wayne N. Aspinall Unit.......................................................................................................................41 a. Recreational Use.............................................................................................................................42 b. Invasive Mussel Control...................................................................................................................42 B. INVASIVE MUSSEL CONTROL.............................................................................................................42 C. STORAGE UNITS FISHERY INFORMATION........................................................................................44 D. CRSP POWER GENERATION...............................................................................................................45 1. CRSP Facility Upgrades.....................................................................................................................46 a. Glen Canyon Powerplant..................................................................................................................46 b. Blue Mesa Powerplant.....................................................................................................................46 c. Morrow Point and Flaming Gorge Powerplants................................................................................46 E. AUTHORIZED PARTICIPATING PROJECTS.........................................................................................47 1. Colorado............................................................................................................................................ 50 a. Bostwick Park Project...................................................................................................................... 50 b. Dallas Creek Project........................................................................................................................ 50 c. Dolores Project................................................................................................................................51 V d. Florida Project..................................................................................................................................5052 e. Fruitland Mesa Project.....................................................................................................................5052 f. Paonia Project..................................................................................................................................5052 g. San Miguel Project...........................................................................................................................5153 h. Silt Project........................................................................................................................................5153 i. Smith Fork Project............................................................................................................................5153 j. West Divide Project..........................................................................................................................5153
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