Six Rivers Aquatic Restoration Project – Draft Environmental Assessment
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United States Department of Agriculture Six Rivers Aquatic Restoration Project Draft Environmental Assessment Forest Pacific Southwest Six Rivers R5-MB-314 Service Region National Forest October 2018 Cover photo: Large wood in Monkey Creek, Smith River National Recreation Area / Gasquet Ranger District, Six Rivers National Forest. USDA Forest Service photo. 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Submit your completed form or letter to USDA by: (1) mail: US Department of Agriculture Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue SW, Washington, DC 20250-9410; (2) fax: (202) 690-7442; or (3) email: [email protected]. USDA is an equal opportunity provider, employer, and lender. Six Rivers Aquatic Restoration Environmental Assessment Del Norte, Humboldt, Siskiyou and Trinity Counties, California Responsible Official: Ted O. McArthur, Forest Supervisor Six Rivers National Forest 1330 Bayshore Way Eureka, CA 95501 (707) 441-3534 [email protected] For Information Contact: Carolyn Cook, Natural Resource Staff Officer c/o Karen Kenfield, Fisheries Biologist Six Rivers National Forest 1330 Bayshore Way Eureka, CA 95501 (707) 441-3585 [email protected] Acknowledgements The Six Rivers Aquatic Restoration Project exemplifies a shared vision amongst collaborative partners and stakeholders, dedicated to restoring north coast fisheries and their habitats. Today, as the stakes grow ever higher as fisheries populations dwindle, Six Rivers National Forest leadership would like to acknowledge all those who envisioned and championed this pragmatic, science-based project. Forest leadership would like to impart special thanks to the California Coastal Conservancy for providing funding and the Mid Klamath Watershed Council for their efforts in spearheading the Coastal Conservancy grant. Our gratitude to those who provided letters of support to the grantor; namely, the Salmon River Restoration Council, Hayfork Watershed and Training Center, Smith River Alliance and the National Marine Fisheries Service. We would also like to acknowledge additional key contributors including the Blue Lake and Elk Valley Rancherias, Hoopa, Karuk, Tolowa Dee-niʹ Nation, Tsnungwe, Wiyot, and Yurok tribes, as well as the California Department of Fish and Wildlife, and local stakeholders. Draft Environmental Assessment – i This page intentionally left blank. ii – Six Rivers Aquatic Restoration Project Table of Contents Summary ....................................................................................................................................................... 1 Chapter 1. Purpose and Need ........................................................................................................................ 3 Introduction ............................................................................................................................................ 3 Project Location ..................................................................................................................................... 4 Purpose and Need for the Proposal ........................................................................................................ 6 Principle Laws and Regulations that Influence the Scope of this EA ...................................................... 7 Decision Framework ............................................................................................................................. 20 Public Involvement ............................................................................................................................... 21 Chapter 2. Alternatives Considered in Detail ............................................................................................. 25 Alternative 1 – No Action/No Project .................................................................................................. 25 Alternative 2 – Proposed Action (Modified) ........................................................................................ 25 Chapter 3. Environmental Consequences of the Proposed Action and No Action Alternative .................. 61 Introduction .......................................................................................................................................... 61 Aquatics ................................................................................................................................................ 62 Invasive Species ................................................................................................................................... 86 Botany: Forest Service Sensitive Vascular & Non-Vascular Species .................................................... 93 Port-Orford-Cedar .............................................................................................................................. 100 Terrestrial Wildlife ............................................................................................................................. 105 Cultural Resources ............................................................................................................................. 135 Recreation ........................................................................................................................................... 144 Chapter 4. Consultation and Coordination ................................................................................................ 169 Forest Service Interdisciplinary Team ................................................................................................ 169 Federal, State, and Local Agencies .................................................................................................... 169 Tribes .................................................................................................................................................. 170 Watershed Restoration Non-Profits, Collaborative Groups, Partners .................................................... 170 References ................................................................................................................................................. 171 Appendix A. Design Criteria for Aquatic Restoration Site-Specific Projects .......................................... 179 Introduction ........................................................................................................................................ 179 General Aquatic Conservation Measures ........................................................................................... 179 Activity Specific Project Design Criteria ........................................................................................... 185 Project Notification to NMFS Guidance ............................................................................................ 196 Appendix B. Mitigations, Best Management Practices, and Monitoring.................................................. 199 Introduction ........................................................................................................................................ 199 Mitigations.......................................................................................................................................... 199 Water Quality Best Management Practices ........................................................................................ 200 Invasive Species Best Management Practices .................................................................................... 203 Monitoring .......................................................................................................................................... 205 Appendix C. Project Implementation Process and Checklist .................................................................... 207 Draft Environmental Assessment – iii Introduction ........................................................................................................................................ 207 Stages of Project Development .........................................................................................................