Jordan Aqueduct Easement and Pipeline Relocation Draft Environmental Assessment PRO-EA-18-011 Upper Colorado Region Provo Area Office Provo, Utah U.S. Department of the Interior Bureau of Reclamation Provo Area Office Provo, Utah April 2018 Mission Statements The Department of the Interior protects and manages the Nation's natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities. The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Jordan Aqueduct Easement and Pipeline Relocation Draft Environmental Assessment PRO-EA-18-011 Upper Colorado Region Provo Area Office Provo, Utah U.S. Department of the Interior Bureau of Reclamation Provo Area Office Provo, Utah April 2018 Contents Page Chapter 1 Purpose of and Need for Proposed Action ...................................... 1 1.1 Introduction ................................................................................................ 1 1.2 Background ................................................................................................ 2 1.2.1 Jordan Aqueduct Background ......................................................... 2 1.2.2 UDOT Project Background ............................................................. 3 1.2.2.1 UDOT’s Proposed Project at the Bangerter Highway and 6200 South Intersection .......................... 3 1.2.2.2 Source of Information for Resource Analyses ................. 5 1.2.3 Project Agreement .......................................................................... 5 1.3 Purpose of and Need for Proposed Action ................................................. 5 1.4 Public Scoping and Involvement ............................................................... 5 1.4.1 UDOT Public Involvement Summary ............................................ 6 1.5 Permits and Authorizations ........................................................................ 6 1.6 Related Projects and Documents ............................................................... 7 1.6.1 UDOT State Environmental Study for 6200 South and Bangerter Highway ...................................................................... 7 1.7 Scope of Analysis ...................................................................................... 8 Chapter 2 Alternatives ........................................................................................ 9 2.1 Introduction ................................................................................................ 9 2.2 No Action Alternative ................................................................................ 9 2.3 West Aqueduct Relocation Alternative (Preferred Alternative) ................ 9 2.3.1 Construction Schedule .................................................................. 10 2.3.2 Construction Procedures ............................................................... 10 2.4 East Aqueduct Relocation Alternative ..................................................... 11 2.4.1 Construction Schedule .................................................................. 11 2.4.2 Construction Procedures ............................................................... 12 2.5 Alternatives Considered and Eliminated from Further Study .................. 12 2.6 Comparison of Alternatives ..................................................................... 12 2.7 Minimization Measures Incorporated into the Action Alternatives ........ 12 Chapter 3 Affected Environment and Environmental Consequences .......... 14 3.1 Introduction .............................................................................................. 14 3.2 Resources Considered and Eliminated from Further Analysis ................ 14 3.3 Affected Environment and Environmental Consequences ...................... 16 3.3.1 Visual Resources ........................................................................... 16 3.3.1.1 No Action Alternative .................................................... 16 3.3.1.2 West Aqueduct Relocation Alternative ......................... 16 3.3.1.3 East Aqueduct Relocation Alternative ........................... 17 3.3.1.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 17 3.3.1.5 Mitigation ....................................................................... 17 3.3.2 System Operations ........................................................................ 17 3.3.2.1 No Action Alternative .................................................... 17 3.3.2.2 West Aqueduct Relocation Alternative ......................... 18 3.3.2.3 East Aqueduct Relocation Alternative ........................... 18 3.3.2.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 18 3.3.2.5 Mitigation ....................................................................... 18 3.3.3 Health, Safety, Air Quality, and Noise ......................................... 18 3.3.3.1 No Action Alternative .................................................... 19 3.3.3.2 West Aqueduct Relocation Alternative ......................... 19 3.3.3.3 East Aqueduct Relocation Alternative ........................... 19 3.3.3.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 19 3.3.3.5 Mitigation ....................................................................... 20 3.3.4 Noxious Weeds and Existing Vegetation ..................................... 20 3.3.4.1 No Action Alternative .................................................... 20 3.3.4.2 West Aqueduct Relocation Alternative ......................... 20 3.3.4.3 East Aqueduct Relocation Alternative ........................... 21 3.3.4.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 21 3.3.4.5 Mitigation ....................................................................... 21 3.3.5 Socioeconomics ............................................................................ 21 3.3.5.1 No Action Alternative .................................................... 21 3.3.5.2 West Aqueduct Relocation Alternative ......................... 21 3.3.5.3 East Aqueduct Relocation Alternative ........................... 22 3.3.5.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 22 3.3.5.5 Mitigation ....................................................................... 22 3.3.6 Access and Transportation ............................................................ 22 3.3.6.1 No Action Alternative .................................................... 23 3.3.6.2 West Aqueduct Relocation Alternative ......................... 23 3.3.6.3 East Aqueduct Relocation Alternative ........................... 23 3.3.6.4 UDOT Bangerter Highway 6200 South Interchange Project ..................................................... 23 3.3.6.5 Mitigation ....................................................................... 24 3.3.7 Indian Trust Assets ....................................................................... 25 3.3.8 Environmental Justice ................................................................... 25 3.3.9 Cumulative Effects ........................................................................ 26 3.3.9.1 Other Known Actions .................................................... 26 3.3.9.2 Other Reasonably Foreseeable Future Actions .............. 26 3.4 Summary of Environmental Effects......................................................... 27 Chapter 4 Environmental Commitments ........................................................ 33 Chapter 5 Consultation and Coordination ...................................................... 34 5.1 Introduction .............................................................................................. 34 5.2 Public Involvement .................................................................................. 34 5.3 Native American Consultation ................................................................. 34 5.4 Utah Geological Survey ........................................................................... 35 5.5 Utah State Historic Preservation Office ................................................... 35 Chapter 6 Preparers .......................................................................................... 36 Chapter 7 Acronyms and Abbreviations ......................................................... 38 Chapter 8 Appendices........................................................................................ 39 Appendix A - Figures Appendix B - Jordan Aqueduct Protection Criteria and Draft Project Agreement Appendix C - Consultation Letters and Reports Appendix D - Public Involvement Summary Appendix E - UDOT Project Commitments Chapter 1 Purpose of and Need for Proposed Action 1.1 Introduction This Environmental Assessment (EA) was prepared to examine the expected environmental impacts of roadway improvements that would affect the U.S. Bureau of Reclamation’s Jordan Aqueduct easement and pipeline. The roadway improvements are proposed by the Utah Department of Transportation (UDOT) as part of constructing a grade-separated interchange on