Lower Colorado Region | Bureau of Reclamation

Lower Colorado Region Environmental Documents

Finding of No Significant Impact and Supplemental Environmental Assessment for Planet Ranch Conservation Area
      Finding of No Significant Impact and Final Environmental Assessment - July 2018 (PDF, 2 MB)

Finding of No Significant Impact for Final Environmental Assessment for the Final Amendment to add Northern Mexican Gartersnake to the Lower Colorado River Multi-Species Conservation Program as a Covered Species
      Final Environmental Assessment - February 2018 (PDF, 2 MB)
      Finding of No Significant Impact - March 2018 (PDF, 80 KB)

Hoover Dam Fiber Optic Cable Replacement
      Finding of No Significant Impact and Final Environmental Assessment - March, 2018 (PDF, 6 MB)
      Draft Environmental Assessment - December 2017 (PDF, 4 MB)

Planet Ranch Conservation Area
      Finding of No Significant Impact and Final Environmental Assessment for Planet Ranch Conservation Area - March 2018
      (PDF, 5 MB)
      Draft Environmental Assessment - December 2017 (PDF, 12 MB)

Finding of No Significant Impact for Alternative 1 from the Final Environmental Assessment for the Southern Nevada Intertie (Harry Allen to Eldorado 500 kV Transmission) Project
      Final Environmental Assessment - November 2017 (PDF, 13 MB)
      Finding of No Significant Impact - September 2017 (PDF, 112 KB)

Washington County Water Conservancy District WaterSMART Small-Scale Water Efficiency Projects
      Finding of No Significant Impact and Final Environmental Assessment LC-17-27 (PDF, 787 KB)

TransWest Express Transmission Project LC-UC-16-17
      Volume 1 - Record of Decision - June 2017 (PDF, 23 MB)
      Volume 2 - Record of Decision - June 2017 (PDF, 318 MB)

Arizona Heritage Trail System
      Arizona Heritage Trail System Draft Environmental Assessment - April 2017 (PDF, 2.6 MB)

Toquerville Secondary Water System Smart Meter Installation Project
      Finding of No Significant Impact and Final Environmental Assessment LC-17-08 - February 2017 (PDF, 808 KB)

Eastern Nevada Transmission Project
      Finding of No Significant Impact LC-14-32 - October 2016 (PDF, 839 KB)

Overton Power District No. 5 Power Transmission Expansion Project
      Finding of No Significant Impact and Environmental Assessment Addendum LC-14-30 - January 2016 (PDF, 887 KB)

Mohave Valley Conservation Area Backwater Project
      Finding of No Significant Impact (FONSI) and Final Environmental Environmental Assessment/Mitigated Negative
      Declaration (EA/MND) LC-15-07 - December 2015 (PDF, 61 MB)

River Mountains Solar Project
     River Mountains Solar Project Final Environmental Assessment - June 2015 (PDF, 3.89 MB)
     Appendix A - Environmental Mitigation Measures - June 2015 (PDF, 238 KB)
     Appendix B - Drainage Study - June 2015 (PDF, 27.2 MB)
     Appendix C - Visual Resource Management Analysis - June 2015 (PDF, 3.3 MB)

City of Henderson R-10/R10-A Water Tank Site
     City of Henderson R-10/10A Water Tank Site Draft Environmental Assessment - April 2015 (PDF, 1.21 MB)

Planet Ranch Lease Environmental Assessment
     Planet Ranch Lease Final Environmental Assessment - July 2015 (PDF, 9.61 MB)
     Appendix A - July 2015 (PDF, 201 KB)
     Appendix B - July 2015 (PDF, 13.52 MB)
     Appendix C - July 2015 (PDF, 3.04 MB)

     Planet Ranch Lease Draft Environmental Assessment - March 2015 (PDF, 2.40 MB)
     Appendix A - March 2015 (PDF, 233 KB)
     Appendix B - March 2015 (PDF, 7.58 MB)
     Appendix C - March 2015 (PDF, 3.02 MB)

Southern Nevada Intertie Project
     Finding of no significant impact - November 2014 (PDF, 12.8 MB)
     Final Environmental Assessment (EA) - November 2014 (PDF, 14.7 MB)

Mohave County Wind Farm Project
     Record of Decision, Final Environmental Impact Statement and Plan of Development

Rehabilitation of Date Street 100 and 200 Buildings, Boulder City, NV
     Finding of No Significant Impact Amendment 1 - January 2012 (PDF, 327 KB)
     Final Environmental Assessment (EA) & Finding of No Significant Impact - July 2011 (PDF, 1.6 MB)
     Appendix A - July 2011 (PDF, 2.9 MB)
     Final EA News Release

     Draft Environmental Assessment - May 2011 (PDF, 1.5 MB)
     Draft EA News Release

Water Conservation Field Services Program for FY2011-2016, Southern Nevada, Northwestern Arizona, Southwestern Utah, and Needles, CA
     Final Environmental Assessment & Finding of No Significant Impact - June 2011 (PDF, 3.9 MB)
     News Release

Controlling Quagga Mussels in the Cooling Water System at Davis Dam Using Zequanox, Laughlin, Nev. and Bullhead City, Ariz.
     Final Facility Treatments Report - July 2012 (PDF, 714 KB)
     Final Environmental Assessment & Finding of No Significant Impact - June 2011 (PDF, 2.3 MB)
     Final EA Appendices - June 2011 (PDF, 8 MB)
     News Release

     Draft Environmental Assessment - April 2011 (PDF, 2 MB)
     Draft EA Appendices - April 2011 (PDF, 5.2 MB)
     News Release

Laguna Division Conservation Area, Yuma County, AZ and Imperial County, CA
     Final Environmental Assessment & Finding of No Significant Impact - February 2011 (multiple PDFs) To access, click on the small arrows next to "Laguna Division Conservation Area", then "Technical Reports" for the report and "Appendices" for the appendices section.

South Hollywood Desert Cleanup, Clark County, NV
     Finding of No Significant Impact - January 2011 (PDF, 148 KB)
     Bureau of Land Management Environmental Assessment (PDF, 498 KB)
     Bureau of Land Management Finding of No Significant Impact (PDF, 64 kB)

Laughlin Regional Heritage Greenway Trail - North Reach, Clark County, NV
     Finding of No Significant Impact - Amendment 1 - November 2010 (PDF, 255 KB)
     Finding of No Significant Impact - May 2007 (PDF, 1.3 MB)

Repair of Yuma Cove Razorback Sucker Rearing Pond, Mohave County, AZ
     Finding of No Significant Impact - October 2010 (PDF, 607 KB)

Swimmer Defense System Testing at Davis Dam, Clark County, NV and Mohave County, AZ
     Finding of No Significant Impact - October 2010 (PDF, 688 KB)

WaterSMART Water and Energy Efficiency Program and Water Conservation Field Services Grants: Water Smart Landscape Rebate Program, Clark County, NV
     Finding of No Significant Impact & Final Supplemental Environmental Assessment - September 2010 (PDF, 2.98 MB)

Boulder Canyon Operations Office Green Building, Boulder City, NV
     Finding of No Significant Impact & Final Environmental Assessment - September 2009 (PDF, 2.6 MB)

Last Updated: 8/1/18