Sixty-Seventh Annual Report of the Upper Colorado River Commission Has Been Compiled Pursuant to the Above Directives

Sixty-Seventh Annual Report of the Upper Colorado River Commission Has Been Compiled Pursuant to the Above Directives

SIXTY-SEVENTH ANNUAL REPORT OF THE Upper Colorado River Commission SALT LAKE CITY, UTAH SEPTEMBER 30, 2015 33 II III iii (This page has been intentionally left blank.) IV TABLE OF CONTENTS Page Letter of Transmittal ....................................................................................................................iii Preface ....................................................................................................................................... 1 Commission ................................................................................................................................ 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 SpecificActivities ...................................................................................................................... 5 Oversight and Administration of Implementation of the Interim Guidelines For Lower Basin Shortages and Coordinated Operations for Lake Powell And Lake Mead: ................................................................................................................. 5 Negotiations with Mexico Regarding Shortage Management and Augmentation of the Supply ................................................................................................................................. 6 Implementation of the Colorado River Basin Fund MOA .................................................... 6 Lees Ferry Stream Gage on the Colorado River ................................................................ 7 Upper Division States Drought Contingency Planning ........................................................ 7 Colorado River Basin Supply and Demand Study .............................................................. 7 System Water Conservation Pilot Program ......................................................................... 7 A. ENGINEERING-HYDROLOGY ........................................................................................... 8 1. Stream Flow and Hydrology Summary .............................................................................. 8 2. Summary of Reservoir Levels and Contents ..................................................................... 9 3 . Flows of Colorado River .................................................................................................. 21 4. Colorado River Salinity Program ..................................................................................... 23 B. Legal .................................................................................................................................. 29 1. Water Newsletter ......................................................................................................... 29 2. Legislation .................................................................................................................... 29 Colorado River Storage Project and Participating Projects ...................................................... 31 A. AUTHORIZED STORAGE UNITS .................................................................................... 31 1. Glen Canyon Unit ............................................................................................................ 31 a. Glen Canyon Dam Operations During 2015 ................................................................. 33 b. Adaptive Management .................................................................................................. 33 c. Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for Lake Powell and Lake Mead ................................................................. 34 d. Experimental Releases from Glen Canyon Dam .......................................................... 34 (i). High-Flow Experiments ............................................................................................... 35 (ii). Steady-Flow Experiments .......................................................................................... 35 (iii). Environmental Compliance for Experimental Releases ............................................ 35 e. Environmental Assessment (EA) for an Experimental Protocol for High-Flow Releases from Glen Canyon Dam (Protocol) ............................................................... 35 f . Environmental Assessment for Non-Native Fish Control in the Colorado River below Glen Canyon Dam ......................................................................................................... 36 g. Environmental Impact Statement for a Long-Term Experimental and Management Plan for Glen Canyon Dam ............................................................................................ 37 h. Lake Powell Pipeline Project ......................................................................................... 38 i. Drought Contingency Planning ..................................................................................... 38 j. Recreational Use ........................................................................................................... 38 (i). Invasive Mussel Control .......................................................................................... 39 2. Flaming Gorge Unit ....................................................................................................... 41 V a. Flaming Gorge Dam Operations During 2015 ............................................................... 41 b. Recreational Use ........................................................................................................... 42 (i). Invasive Mussel Control ........................................................................................ 42 3. Navajo Unit ........................................................................................................................ 42 a. Navajo Dam Operations During 2015 .......................................................................... 44 b. Recreational Use .......................................................................................................... 44 (i). Invasive Mussel Control .......................................................................................... 44 4. Wayne N. Aspinall Unit ...................................................................................................... 44 a. Aspinall Unit Operations During 2015 .......................................................................... 46 b. Recreational Use .......................................................................................................... 46 (i). Invasive Mussel Control .......................................................................................... 47 B. STORAGE UNITS FISHERY INFORMATION .................................................................. 47 C. TRANSMISSION DIVISION .............................................................................................. 48 D. AUTHORIZED PARTICIPATING PROJECTS ................................................................... 49 1. Colorado ........................................................................................................................... 52 a. Bostwick Park Project ................................................................................................... 52 b. Dallas Creek Project ..................................................................................................... 52 c. Dolores Project ............................................................................................................. 53 d. Florida Project ............................................................................................................... 54 e. Fruitland Mesa Project .................................................................................................. 55 f. Paonia Project .............................................................................................................. 55 g. San Juan Miguel Project ............................................................................................... 55 h. Silt Project ..................................................................................................................... 55 i. Smith Fork Project ........................................................................................................ 56 j. West Divide Project....................................................................................................... 56 2. New Mexico .....................................................................................................................

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