Yuma Area Office
Environmental Documents
5-Mile Zone Protective and Regulatory Pumping Unit
Avenue 50 Canal Crossing
- Final Environmental Assessment (PDF, 14 MB)
- Final FONSI - December 2017 (PDF, 209 KB)
- Draft Environmental Assessment (PDF, 10 MB)
Cibola Old Channel Restoration Project
- Final Environmental Assessment w/ Appendix A and B (PDF, 9.27 MB)
- Final FONSI - December 2018 (PDF, 112 KB)
City of San Luis County 24th Street - 10th Avenue (Avenue H) to Avenue F-1/2
- Draft Environmental Assessment (PDF, 6 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)
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)
Coachella Valley Water District Mid-Canal Storage Project
- Draft Environmental Assessment (PDF, 22 MB)
DICA Partners Water Conveyance Project
- Draft Environmental Assessment (PDF, 7 MB)
- Appendix A - Biological Resources Assessment (PDF, 5.32 MB)
- Appendix B - Geology and Geotechnical Investigation (PDF, 3.3 MB)
- Appendix C - Phase 1 Environmental Site Assessment (PDF, 30.7 MB)
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)
East Highline Reservoir and Intake Channel Project
- Final FONSI(PDF, 1 MB)
- Final Environmental Assessment(PDF, 2.1 MB)
- Appendix A - Draft Environmental Impact Report (PDF, 3.03 MB)
- Appendix B - Resources Not Further Considered (PDF, 279 KB)
- Appendix C - Air Quality and Emmissions (PDF, 4.04 MB)
- Appendix E - Supplemental CRA (PDF, 74 KB)
- Appendix F - Field Noise Measurement (PDF, 1.1 MB)
- Appendix C - Air Quality and Emmissions (PDF, 4.04 MB)
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)
La Quinta Peninsular Bighorn Sheep Barrier Project
- Final FONSI (PDF, 502 KB)
- Environmental Assessment (PDF, 20 MB)
Appendix B (PDF, 9.1 MB)
Appendix C (PDF, 79 KB)
Appendix D (PDF, 803 KB)
Appendix E (PDF, 6.9 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)
Rolle Airfield
- Final FONSI (PDF, 105 KB)
- Final Environmental Assessment (PDF, 10 MB)
- Draft Environmental Assessment (PDF, 11 MB)
Unmeasured Flow Salinity Study Project
- Final Environmental Assessment (PDF, 1.3 MB)
- Finding of No Significant Impact (FONSI) (PDF, 7.1 MB)
- Draft Environmental Assessment (PDF, 7.1 MB)
Upland Wash Sediment Control Project
- Final Environmental Assessment with Correspondence (PDF, 37 MB)
- Draft Environmental Assessment (PDF, 6.7 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
- Final FONSI - July 2010 (PDF, 48 KB)
- Final Environmental Assessment (PDF, 5.45 MB)
Appendix B - MOA (PDF, 1.44 MB)
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 and Enhancement Project Environmental Assessment (PDF, 4.28 MB)
Yuma East Wetlands Restoration
Yuma TS-8 to San Luis 69KV Transmission Line Project
- Environmental Assessment (PDF, 1.7 MB)
- FONSI (PDF, 24 KB)
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