Swen Larsen Quarry Expansion Project Final Environmental Assessment
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2017 Swen Larsen Quarry Expansion Project Final Environmental Assessment Mt. Baker-Snoqualmie National Forest, Whatcom County, Washington Department of Agriculture Forest Service | Pacific Northwest Region 8/21/2017 Mt. Baker-Snoqualmie National Forest Swen Larsen Quarry Expansion Project Cover photo, Swen Larsen Quarry The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TTY). To file a complaint of discrimination, write to USDA, Director of Civil Rights, 1400 Independence Avenue, SW, Washington, DC 20250-9410, or call (800) 795- 3272 (voice) or (202) 720-6382 (TTY). USDA is an equal opportunity provider and employer. Mt. Baker-Snoqualmie National Forest Swen Larsen Quarry Expansion Project Contents Overview ....................................................................................................................................................... 4 Chapter 1 - Purpose and Need ...................................................................................................................... 1 1.1 Project Background ................................................................................................................1 1.2 Proposed Action .....................................................................................................................7 1.3 Purpose and Need for Action ..................................................................................................7 1.4 Decision Framework ...............................................................................................................7 1.5 Tribal Consultations and Public Involvement ...........................................................................8 1.6 Key Issues ..............................................................................................................................9 1.7 Relationship to Forest Plan ................................................................................................... 10 1.7.1 Land Allocation ..................................................................................................................... 11 1.7.2 Selected Forest Plan Laws, Regulations, and Related NEPA Documents ............................. 12 1.8 Project Record ...................................................................................................................... 14 1.9 Maps and Acres Precision ..................................................................................................... 15 Chapter 2 - Alternatives .............................................................................................................................. 16 2.1 Alternatives Considered ....................................................................................................... 16 2.1.1 Alternative A – No Action ..................................................................................................... 17 2.1.2 Alternative B – Proposed Action ........................................................................................... 17 2.2 Best Management Practices & Management Requirements ................................................... 21 Chapter 3 - Environmental Consequences .................................................................................................. 30 3.1 Physical and Biological Components ..................................................................................... 31 3.1.1 Fish ........................................................................................................................................ 31 3.1.2 Minerals ................................................................................................................................ 41 3.1.3 Vegetation ............................................................................................................................. 44 3.1.4 Water Resources and Soils .................................................................................................... 49 3.1.5 Wildlife .................................................................................................................................. 56 3.2 Human Components ............................................................................................................. 70 3.2.1 Cultural Resources ................................................................................................................ 70 3.2.2 Inventoried Roadless Area .................................................................................................... 72 3.2.3 Scenic Value .......................................................................................................................... 77 3.2.4 Special Uses........................................................................................................................... 79 3.3 Other Environmental Components ........................................................................................ 80 Mt. Baker-Snoqualmie National Forest Swen Larsen Quarry Expansion Project Chapter 4 - Consultation and Coordination ................................................................................................ 86 4.1 Federal, State, and Local Agencies ........................................................................................ 86 4.2 Tribes ................................................................................................................................... 86 4.3 Others Involved .................................................................................................................... 87 Chapter 5 - List of Preparers ....................................................................................................................... 87 Chapter 6 - References Cited ...................................................................................................................... 88 Appendix A: Swen Larsen Stormwater Management Plan ........................................................................... A Appendix B: Swen Larsen Reclamation Plan ................................................................................................. A Appendix C: Cumulative Effects Information ................................................................................................H Appendix D: Middle Fork Nooksack River Water Quality Data (Station: Middle Fork Upstream) .............. M Appendix E: Climate Change ........................................................................................................................ Q Table of Figures Figure 1: Swen Larsen Quarry Site Location Map ......................................................................................... 3 Figure 2: State Department of Natural Resources Aerial Photo of Swen Larsen Quarry Site in 1970. ........ 4 Figure 3: Swen Larsen Quarry Site Layout Map .......................................................................................... 20 Figure 4: Wildlife Species Considered for Project Area Analysis ................................................................ 57 Figure 5: Grizzly Late and Early Core Habitat in South Fork Nooksack Area . Error! Bookmark not defined. Figure 6: Swen Larson Road Map ................................................................................................................ 75 Figure 7: Swen Larsen Reclamation Segments Map ..................................................................................... C Table of Tables Table 1: Summary of Best Management Practices and Management Requirements ................................ 23 Table 2: Forest-wide Wildlife Standards and Relevant Guidelines ............................................................. 69 Table 3: Race and Ethnicity Profile, 2010 Census Data, Whatcom County and Town of ........................... 82 Table 4: Reclamation Planning Schedule ...................................................................................................... D Table 5: Ground Cover Seed Mixture ............................................................................................................ F Table 6: Recommended Tree Species for the Revegetation Plan ................................................................ G Table 7: Past, Present, or Reasonably Foreseeable Actions in the Vicinity of the Upper North Fork Nooksack Access Travel Management Project .............................................................................................. J Table 8: Water quality data collected by the City of Bellingham Public Works at station Middle Fork Upstream from November 2006 through March 2007 ............................................................................... M Table 9: Water quality data collected by the City of Bellingham Public Works at station Middle Fork Upstream from March 2013 through November 2013 ..............................................................................