Environmental Review - Airport

Airport Environmental Documents

Please be patient with downloads; most of these documents are very large files.

• 2019 Terminal Area Development Plan EA/EIR
• Proposed United Airlines Operations Specifications Amendment for United Express Service to Mammoth Yosemite Airport Finding of No Significant Impact and Record of Decision (2010)
• Proposed Operations Specifications Amendment Approval Related to the Scheduled Commercial Air Service into Mammoth Yosemite Airport by United Airlines Final Environmental Assessment (2010)
  • Table of Contents
  • Chapter 1 - Introduction
  • Chapter 2 - Purpose and Need
  • Chapter 3 - Alternatives
  • Chapter 4 - Affected Environment
  • Chapter 5 - Environmental Consequences
  • Chapter 6 - List of Preparers
  • Chapter 7 - Coordination and Public Involvement
  • Chapter 8 - References
  • Chapter 9 - List of Acronyms and Glossary
  • Appendix A - Agency Coordination
  • Appendix B - Noise
  • Appendix C - Information Concerning Species of Elevated Concern
  • Appendix D - Aviation Forecast
  • Appendix E - Public Involvement
• Proposed Horizon Air Operations Specifications Amendment Record of Decision (2008)
• Request for Operations Specifications Amendment by Horizon Air to Provide Scheduled Air Service to Mammoth Yosemite Airport Final Environmental Impact Statement (2008)
  • Cover, TOC, & Executive Summary
  • Section 1 - Introduction
  • Section 2 - Purpose and Need
  • Section 3 - Alternatives
  • Section 4 - Affected Environment
  • Section 5 - Environmental Consequences
  • Section 6 - List of Preparers
  • Section 7 - Coordination and Public Involvement
  • Section 8 - Index
  • Section 9 - References
  • Section 10 - List of Acronyms and Glossary
  • Appendix A - Airport Planning
  • Appendix B - Regulations and Guidelines
  • Appendix C - Noise
  • Appendix D - Air Quality
  • Appendix E - Socioeconomics
  • Appendix F - Dept of Transportation Section 4(f) Resources
  • Appendix G - Agency Consultation
  • Appendix H - Fish, Wildlife, and Plants
  • Appendix I - Public Involvement
  • Appendix J - Water Quality
  • Appendix K - List of Cumulative Projects
  • Appendix L - Comments and Responses
• Regional Air Service Initial Study/Mitigated Negative Declaration Response to Comments and Mitigation Monitoring and Reporting Program (2008)
• Regional Air Service Draft Initial Study/Mitigated Negative Declaration (2008)
  • Air Quality Appendix
  • Noise Appendix
  • Traffic Appendix
• Mammoth Yosemite Airport Expansion Project Final Supplement to Subsequent Environmental Impact Report (2002)
• Mammoth Yosemite Airport Expansion Environmental Assessment and Finding of No Significant Impact (2001)
• Mammoth Yosemite Airport Expansion Project - Final Environmental Assessment (2000)