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Brunswick Industrial Site and East Bennett Road Right of Way (ROW) Biological Resources Assessment

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Brunswick Industrial Site and East Bennett Road Right of Way (ROW) Biological Resources Assessment Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment Brunswick Industrial Site and East Bennett Road Right of Way (ROW) Biological Resources Assessment Prepared for: Rise Grass Valley, Inc. PO Box 271 Grass Valley, CA 95945 Prepared by: Greg Matuzak, Principal Biologist Greg Matuzak Environmental Consulting LLC 471 Sutton Way, Suite #210 Grass Valley, CA 95945 Email: [email protected] November 2019 Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment TABLE OF CONTENTS INFORMATION SUMMARY ........................................................................................................ iv Report Summary ................................................................................................................... v 1 INTRODUCTION............................................................................................................... 1-1 1.1 Project Setting ......................................................................................................... 1-1 1.2 Project Understanding ........................................................................................... 1-2 1.3 Previous Biological Resources Assessments of the Brunswick Site ....................... 1-3 1.4 Biological Resources Assessment Purpose ............................................................ 1-4 2 REGULATORY OVERVIEW ............................................................................................... 2-1 2.1 Federal Regulations ................................................................................................ 2-1 2.1.1 Section 404 of the Clean Water Act .............................................................. 2-1 2.1.2 Section 401 of the Clean Water Act .............................................................. 2-2 2.1.3 Endangered Species Act of 1973................................................................... 2-2 2.1.4 Bald and Golden Eagle Protection Act ......................................................... 2-3 2.2 State Regulations .................................................................................................... 2-3 2.2.1 California Endangered Species Act .............................................................. 2-3 2.2.2 Streambed Alteration Agreements: CDFG Code Section 1600 et seq. ...... 2-4 2.2.3 Porter-Cologne Water Quality Control Act & Section 1601 and Section 1607 of CDFG Code ............................................................................................................... 2-4 2.2.4 State Water Resources Control Board Wetland Policy (April 2019) ............. 2-4 2.2.5 California Department of Fish and Game Code Sections 3503, 3503.5, and 3800: Nesting Migratory Bird and Raptors .................................................................... 2-5 2.2.6 California Special Species of Concern, Fully Protected, and Special Status Species 2-5 2.2.7 California Environmental Quality Act Guidelines Section 15380 ................. 2-6 2.2.8 State Oak Woodland Regulations ................................................................. 2-6 2.3 Local Regulations ................................................................................................... 2-6 2.3.1 Nevada County Landmark Groves and Landmark Oak Tree Regulations . 2-6 2.3.2 Nevada County Water Courses, Wetlands, and Riparian Areas Management Plan 2-7 2.3.3 Rare, Threatened, and Endangered Species and Their Habitat ................. 2-8 2.3.4 Nevada County General Plan ....................................................................... 2-8 November 2019 i Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment 3 METHODOLOGY ............................................................................................................. 3-1 3.1 Sensitive Biological Resources Background Review ............................................ 3-1 3.2 Reconnaissance Level Biological Resources Field Surveys ................................. 3-2 3.3 Brunswick Area Characterization .......................................................................... 3-3 4 ENVIRONMENTAL SETTING ............................................................................................. 4-1 4.1 Environmental Setting ............................................................................................ 4-1 4.2 Brunswick Area Soil Types ....................................................................................... 4-2 4.3 Brunswick Area Vegetation Communities ............................................................ 4-5 5 RESULTS ........................................................................................................................... 5-1 5.1 Special-Status Plant Species .................................................................................. 5-1 5.2 CNPS Listed Species Identified within the Brunswick Area .................................. 5-6 5.3 Special-Status Wildlife Species .............................................................................. 5-6 5.4 Brunswick Area Disturbance Impacts to Sensitive Biological Resources .......... 5-12 6 CONCLUSIONS AND RECOMMENDATIONS: ................................................................ 6-1 Proposed Avoidance, Minimization, and Mitigation Measures ........................................ 6-1 6.1 Potential Impacts to Special-Status Plant Species....................................... 6-1 6.2 Potential Impacts to Special-Status Wildlife Species ................................... 6-3 6.3 Potential Impacts to Special-Status Aquatic Species ................................. 6-4 6.4 Potential Impacts to Cooper’s Hawk, Nesting Raptors, Bird Species ...... 6-8 6.5 Potential Impacts to Clean Water Act Regulated “Waters of the U.S.,” Including Wetlands ........................................................................................................ 6-9 6.6 Potential Impacts to Stream and Riparian Zones Under CDFW Jurisdiction 6-11 6.7 Compliance with the Nevada County Land Use and Development Code 6-12 7 REFERENCES .................................................................................................................... 7-1 November 2019 ii Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment LIST OF TABLES Table 1.0 Vegetation Communities Within the Brunswick Area Table 2.0 Special-Status Species Associated with Vegetation Communities Table 3.0 Estimate Acreage Impacts to Vegetation Communities Table 4.0 Area of Disturbance to Mapped Wetlands Within the Brunswick Area Table 5.0 Area of Disturbance to Mapped Streams Within the Brunswick Area LIST OF APPENDICES Appendix A Brunswick Area Overview Figures Appendix B USDA Soils Maps Appendix C National Wetland Inventory (NWI) Maps Appendix D Vegetation Community Map Appendix E Plants and Wildlife Species Observed During Site Surveys Appendix F Humboldt Lily CNPS List 4 Species Figure Appendix G Photo Log Appendix H Species Table for Special-Status Plants and Wildlife Species Appendix I CNDDB 5-Mile Buffer Figure Appendix J Site Plan – Proposed Brunswick Area Disturbance Appendix K CNDDB and USFWS iPac Reports November 2019 iii Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment INFORMATION SUMMARY Report Date: November 2019 Report Preparer: Mr. Greg Matuzak Greg Matuzak Environmental Consulting LLC Project Site: Brunswick Industrial Site East Bennett Rd Corridor Project Site Location: SECTION 36, T.16N, R.8E & SECTION 31, T.16N, R.9E SECTION 25, T.16N, R.8E BRUNSWICK INDUSTRIAL SITE Assessor Parcel Number Site Address Lot Size (Acres) 009-630-037 12603 East Bennett Road 21.8 AC 009-630-039 12301 Millsite Road 15.07 AC 006-441-003 12503 Brunswick Road 15.19 AC 006-441-004 12625 Brunswick Road 0.85 AC 006-441-005 12791 Brunswick Road 50.01 AC 006-441-034 12381 Brunswick Road 16.01 AC Brunswick Industrial Site - Land Total: 118.93 AC East Bennett Road ROW: 10.3 AC Brunswick Area - Land Total: 129.23 AC Property Owner / Rise Grass Valley, Inc. Applicant: PO Box 271 Grass Valley, CA 95945 Principal Investigators: Greg Matuzak, Principal Greg Matuzak Environmental Consulting LLC 471 Sutton Way, Suite #210 Grass Valley, CA 95945 E: [email protected] Wendy Boes Botanical Consultant 21802 Purdon Road Nevada City, CA 95959 E: [email protected] November 2019 iv Brunswick Industrial Site and East Bennett Rd. ROW Biological Resources Assessment Report Summary The Biological Resources Assessment Report includes the biological results of the background research, biological resources field surveys, data analysis, and impact assessment for the Brunswick Industrial Site and East Bennett Road Right of Way. The key findings of this report include the following: • Perennial marsh wetlands and a large manmade pond within the Brunswick Industrial Site contains potentially suitable habitat for several special-status aquatic wildlife species, including the California State ESA (CESA) listed (threatened) California black rail (Laterallus jamaicensis coturiculus), the federally listed California red-legged frog (Rana aurora draytonii), and the Western pond turtle (Emys marmorata), a California State Species of Concern. None of these species have been observed within the Brunswick Industrial Site. • The South Fork of Wolf Creek within the western section of the Brunswick Industrial Site includes a perennial stream and riparian vegetation. The stream contains marginal suitable habitat for the foothill
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