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Yuma Area Office

Environmental Documents

5-Mile Zone Protective and Regulatory Pumping Unit

  • 5-Mile Zone Resource Management Plan/Environmental Assessment (PDF, 416 KB)
  • Coachella Canal Area
    Coachella Canal Area Resource Management Plan/Environmental Assessment

  • Introduction (PDF, 1.5 MB)
  • Environmental Assessment - Chapter 1 (PDF, 11.9 MB)
  • Environmental Assessment - Chapter 2 (PDF, 6.2 MB)
  • Environmental Assessment - Chapter 3 (PDF, 145 KB)
  • Environmental Assessment - Chapter 4 (PDF, 752 KB)
  • Environmental Assessment - Chapter 5
  • Chapter 5 - Part 1 (PDF, 7.24 MB)
  • Chapter 5 - Part 2 (PDF, 10.5 MB)
  • Chapter 5 - Part 3 (PDF, 1.06 MB)
  • Chapter 5 - Part 4 (PDF, 3.30 MB)
  • Chapter 5 - Part 5 (PDF, 83.8 KB)
  • Environmental Assessment - Chapter 6 (PDF, 7.18 MB)
  • Environmental Assessment - Attachments (PDF, 5.77 MB)
  • Environmental Assessment - Appendices (PDF, 4.21 MB)
  • City of Yuma 12th Street Project

  • Final Environmental Assessment (PDF, 4.84 MB)
  • Final FONSI - September 2010 (PDF, 60 KB)
  • City of Yuma Land Conveyance Project

  • Final Environmental Assessment (PDF, 6.20 MB)
  • Final FONSI - June 2010 (PDF, 26 KB)
  • Drop 2 Reservoir Project

  • Final Environmental Assessment Part 1(PDF, 3.46 MB)
  • Final EA Part 2 (PDF, 4.2 MB)
  • Final EA Part 3 (PDF, 122 KB)
  • App A - Agency and Public Scoping (PDF, 245 KB)
  • App B - Evaluation of Alternative Alignments for the Drop 2 Reservoir Canal (PDF, 5.47 MB)
  • App C - Assessment of Flows Passing Morelos Dam with Future Drop 2 Reservoir Ops (PDF, 4.93 MB)
  • App D - Impacts to Groundwater Levels South of Morelos Dam due to Drop 2 Reservoir Ops (PDF, 85 KB)
  • App E - Sensitive Plant and Wildlife Survey Report (PDF, 3.97 MB)
  • App F - Air Quality (PDF, 1.47 MB)
  • Final Environmental Determination (PDF, 404 KB)
  • Hunters Hole Restoration Project

  • Final FONSI (PDF, 244 KB)
  • Final Supplemental FONSI (PDF, 115 KB)
  • Final Environmental Assessment (PDF, 1.74 MB)
           Appendix - Coordination (PDF, 4.61 MB)
  • Final Supplemental Environmental Assessment (PDF, 1 MB)
  • Draft Environmental Assessment (PDF, 5.62 MB)

    Proposed Imperial Dam Electrical Upgrades

  • Final FONSI (PDF, 1.39 MB)
  • Final Environmental Assessment (PDF, 1.13 MB)
  • Laguna Reservoir Restoration Project

  • Final FONSI (PDF, 272 KB)
  • Environmental Assessment - Part 1 (PDF, 9.3 MB)
  • Environmental Assessment - Appendices (PDF, 9.3 MB)
  • Needles-Topock Area Bankline Stabilization

  • Final FONSI (PDF, 94 KB)
  • Environmental Assessment - Part 1 (PDF, 607 KB)
  • Environmental Assessment - Appendices 1 (PDF, 4.18 MB)
  • Environmental Assessment - Appendices 2 (PDF, 6.66 MB)
  • Quarry Operations on the Lower Colorado River

  • Final Programmatic Environmental Assessment (PDF, 1.67 MB)
          Appendix A - Scoping and Coordination (PDF, 5.35 MB)
          Appendix B - Maps (PDF, 7.69 MB)       
  • Final Biological Assessment (PDF, 1.30 MB)
          Appendix 1 - Coordination and Correspondence (PDF, 2.77 MB)
          Appendix 2 - Site Photos and Data Forms (PDF, 7.79 MB)
          Appendix 3 - Desert Tortoise Brief (PDF, 1.32 MB)
          Appendix 4 - Programmatic Biological Opinion (PDF, 2.70 MB)
  • Wellton-Mohawk Title Transfer

  • Final Environmental Impact Statement
  • Record of Decision (PDF, 1.1 MB)
  • Wellton-Mohawk Water Delivery Contract Amendment

  • Final FONSI -- March 2008 (PDF, 77 KB)
  • Environmental Assessment -- January 2008 (PDF, 119 KB)
  • Yuma, Arizona Welcome Center Parking Lot and Future Welcome Center

  • Final Environmental Assessment Part 1 (PDF, 7.09 MB)
  • Final EA Part 2 (PDF, 10.74 MB)
  • Final FONSI - January 2009 (PDF, 216 KB)
  • Yuma County 8th Street Realignment Project

    Yuma Desalting Plant Pilot Run (YDP)

  • Funding Agreement - October 29, 2009 (PDF, 2.11 MB)

  • January 14, 2009 - Letter From Municipal Utilities Requesting YDP Pilot Run (PDF, 300 KB)

  • Final Environmental Assessment (PDF, 3.43 MB)
          Appendices A - D (PDF, 6.86 MB)
          Appendix E (PDF, 347.89 KB)

  • Final FONSI - September 30, 2009 (PDF, 215 KB)
    Comments:
           Environmental Defense Fund - Sept 25, 2009 (PDF, 172 KB)
           U.S. International Boundary & Water Commission - Sept 28, 2009 (PDF, 505 KB)
           Upper Colorado River Commission - Sept 28, 2009 (PDF, 611 KB)
           Colorado River Board of California - Sept 28, 2009 (PDF, 499 KB)

    Yuma East Wetlands Restoration

  • Yuma East Wetlands Restoration and Enhancement Project Environmental Assessment (PDF, 4.28 MB)
  • Yuma TS-8 to San Luis 69KV Transmission Line Project

  • Environmental Assessment (PDF, 1.7 MB)
  • FONSI (PDF, 24 KB)
  • For Telecommunications Relay Services (TRS) Dial: 711

    Webmaster:  Veronica Welch
    Date last updated: 11/12/13 12:52 PM