Instream Flow Identification & Protection Technical Reports

Flow Recommendation Reports

Williams, C.A., Schaffrath, K.R., Elliott, J.G., and Richards, R.J., 2013, Application of sediment characteristics and transport conditions to resource management in selected main-stem reaches of the Upper Colorado River, Colorado and Utah, 1965–2007: U.S. Geological Survey Scientific Investigations Report 2012–5195, 82 p.

Larval Trigger Study Plan Ad Hoc Committee. 2012. Study Plan to Examine the Effects of Using Larval Razorback Sucker Occurrence in the Green River as a Trigger for Flaming Gorge Dam Peak Releases. March, 2012.

Ruddy, B.C., 2010. Streamflow gain-loss characteristics of Elkhead Creek downstream from Elkhead Reservoir near Craig, Colorado, 2009: U.S. Geological Survey Scientific Investigations Report 2010–5198, 14 p.

U.S. Fish and Wildlife Service. 2005. Final Biological Opinion on the Operation of Flaming Gorge Dam. September 6, 2005. Salt Lake City, Utah.

Riverine Fish Flow Investigations
Federal Aid Project F-289-R6

Evaluation of the Effects of Stage Fluctuations on Overwinter Survival & Movement of Young Colorado Pikeminnow in the Green River River, Utah, 1999-2002

Recommended Priorities for Geomorphology Research in Endangered Fish Habitats of the Upper Colorado River Basin

Upper Colorado River Endangered Fish Recovery Program Coordinated Reservoir Implementation Plan

Update of the Reasonable and Prudent Alternative in the July 1998 Biological Opinion for the Duchesne River Basin

Response of the Green River Fish Community to Changes in Flow and Temperature Regimes from Flaming Gorge Dam since 1996 based on sampling conducted from 2002 to 2004

2006 Late Summer and Fall Operations Report of the HUP Managing Entities and Water Managers

Ruedi Reservoir 2012 MOA

2006 Duchesne River Sediment Monitoring

Channel Monitoring Evaluate Geomorphic Change on the Main Stem Colorado November 2007 Final Report
  • Executive Summary

    • Colorado River: 15-Mile Reach Programmatic Biological Opinion
    Depletion Accounting Pursuant to Appendix B
    Report Period 2001-2005

    January 2008 Draft 10,825 Water Supply Alternatives Summary, Phase II Assessment

    Gunnison Temperature Study - Phase I

    Gunnison Temperature Study - Phase II

    A Management Plan for Endangered Fishes in the Yampa River Basin and Environmental Assessment
    • Finding of No Significant Impact
    • Executive Summary
    • Appendicies

      • Coordinated Facilities Operations (CFOPS) Executive Summary (PDF)

      Phase 2 Coordinated Facilities Water Availability Study For The Endangered Fishes of The Upper Colorado River Final Report, September 2003
      • Appendicies A-O
      • Figures
      • Storage (EXCEL)

        • Burdick, B. D. (1997). Minimum Flow Recommendation For Passage Of Colorado Squawfish And Razorback Sucker In The 2.3-Mile Reach Of The Lower Gunnison River: Redlands Diversion Dam To The Colorado River Confluence, Colorado River Recovery Program: 39+.

        FLOW RECOMMENDATION REPORTS
        Gunnison River
        Aspinall Unit Study Plan ad hoc Committee. (2011) Study Plan To Evaluate Effects of Aspinall Unit Operations to Benefit Habitat and Recovery of Endangered Fishes in the Gunnison and Colorado Rivers. Coordinated by the Upper Colorado River Endangered Fish Recovery Program.
        McAda C. (2003) Flow Reccomendations to Benefit Endangered Fish in the Colorado and Gunnison Rivers.
        Green River
        Green River Study Plan ad hoc Committee (2007). Study Plan for the Implementation and Evaluation of Flow and Temperature Recommendations for Endangered Fishes in the Green River Downstream of Flaming Gorge Dam . Coordinated by the Upper Colorado River Endangered Fish Recovery Program.
        Muth, R. T., et al. (2000). Flow and Temperature Recommendations for Endangered Fishes in the Green River Downstream of Flaming Forge Dam. Project FG-53, Upper Colorado River Endangered Fish Recovery Program.
        Duchesne River
        Modde T. & Keleher C. (2003) Flow recommendations for the Duchesne River with a Synopsis of Information Regarding Endangered Fish.
        HIGH FLOW REQUIREMENTS FOR CHANNEL AND HABITAT MAINTENANCE ON THE LOWER DUCHESNE RIVER BETWEEN RANDLETT AND OURAY, UTAH
        Yampa River
        Memorandum from Robert Muth, Program Director of the Upper Colorado River Recovery Program to Erin Light, Division Engineer, Water Division 6, Steamboat Springs, Co regarding base flow augmentation from Elkhead Reservoir to the Yampa River at Maybell, April 3, 2008.
        Modde, T., W. J. Miller, and R. Anderson. 1999. Determination of habitat availability, habitat use, and flow needs of endangered fishes in the Yampa River between August and October. Final Report to Upper Colorado River Endangered Fish Recovery Program. Denver.
        Modde, T. and G. Smith (1995). Flow Recommendations for Endangered Fishes in the Yampa River. Denver, CO, U.S. Fish and Wildlife Service: 45.
        Tyus, H. M. and C. A. Karp (1988). Stream Flow Needs of Rare and Endangered Fishes, Yampa River, Colorado. Vernal, Utah, Fish and Wildlife Service Colorado River Fishes Project: 54.
        U.S. Fish and Wildlife Service (1990). Streamflow Needs of Rare and Endangered Fishes: Yampa River Interim Flow Recommendations - Final Report, U.S. Fish and Wildlife Service: 13+.
        Colorado River
        Osmundson, D. B., P. Nelson, et al. (1995). Relationships Between Flow and Rare fish Habitat in the '15-Mile Reach' of the Upper Colorado River, U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation: 81.
        Osmundson, D. B. 2001. Flow regimes for restoration and maintenance of sufficient habitat to recover endangered razorback sucker and Colorado pikeminnow in the upper Colorado River: interim recommendations for the Palisade-to-Rifle reach. Final Report. U. S. Fish and Wildlife Service, Grand Junction, Colorado.
        Kaeding, L. R. and D. B. Osmundson (1989). Biologically Defensible Flow Recommendations for the Maintenance and Enhancement of Colorado Squawfish Habitat in the '15-Mile' Reach of the Upper Colorado River During July, August and September. Grand Junction, Colorado, Fish and Wildlife Service, Colorado River Fishery Project: 169.
        White River
        WHITE RIVER BASE FLOW STUDY, COLORADO AND UTAH, 1995-1996 FINAL REPORT, Dave Irving, Bruce Haines, and Tim Modde, February 2004
        APPENDICES FOR THE WHITE RIVER BASE FLOW STUDY
        THE WHITE RIVER AND ENDANGERED FISH RECOVERY: A HYDROLOGICAL, PHYSICAL AND BIOLOGICAL SYNOPSIS Final Report September 1998 Updated and Edited September 2000 Prepared for: Recovery Implementation Program for Endangered Fish Species of the Upper Colorado River Basin Project No. 21 Prepared by: Leo D. Lentsch Native Species Coordinator Brian G. Hoskins Wildlife Technician Larissa M. Lubomudrov Wildlife Technician Publication Number 00-37
        Price River
        THE UPPER COLORADO RIVER ENDANGERED FISH RECOVERY PROGRAM’S POSITION ON THE ROLE OF THE PRICE RIVER IN RECOVERY OF ENDANGERED FISH AND THE NEED FOR MINIMUM FLOW MANAGEMENT. Prepared by: Tom Chart, Recovery Program Director and Jana Mohrman, USFWS Hydrologist. For: U.S. Fish and Wildlife Service, Ecological Service, Utah Field Office. May 2012 (.docx)