Wildomar Crossings Project General Biological Resources Assessment December 19, 2017 Prepared for: Prepared by: Mann Property Company HELIX Environmental Planning, Inc. P.O. Box 77564 7578 El Cajon Boulevard San Francisco, CA 94107 La Mesa, CA 91942 Report Date: December 19, 2017 Title: General Biological Resources Assessment for the Wildomar Crossings Project Project Location: The approximately 4.4-acre project site is located the northwest corner of Clinton Keith Road and Stable Lanes Road in the City of Wildomar, Riverside County, California. The project site is situated on the U.S. Geological Survey 7.5-minute Wildomar and Murrieta quadrangle maps in Section 1, Township 7 South, Range 4 West. Assessor’s Parcel Numbers: The project site comprises two Assessor Parcel Numbers: 380-120-003 and 380-120-004, as well as road rights-of-way. Owner/Applicant: Mann Property Company P.O. Box 77564 San Francisco, CA 94107 Principal Investigator: HELIX Environmental Planning, Inc. 7578 El Cajon Blvd. La Mesa, CA 91942 (619) 462-1515 Report Summary: The approximately 4.4-acre project site (including off-site components) was surveyed for burrowing owl and jurisdictional features. The burrowing owl survey had negative results. The riparian/riverine areas on site were assessed and mapped. Report Preparer: Rob Hogenauer (562) 537-2426 Benjamin Rosenbaum (619) 462-1515 Field Personnel: Rob Hogenauer (562) 537-2426 Benjamin Rosenbaum (619) 462-1515 i THIS PAGE INTENTIONALLY LEFT BLANK ii Wildomar Crossings Project General Biological Resources Assessment Report TABLE OF CONTENTS Section Title Page 1.0 INTRODUCTION ..................................................................................................... 1 1.1 Project Location .................................................................................................. 1 1.2 Project Description .............................................................................................. 1 2.0 METHODS ................................................................................................................ 1 2.1 Nomenclature and Literature Review ................................................................. 2 2.2 Field Surveys ...................................................................................................... 2 2.2.1 Vegetation Mapping ................................................................................. 2 2.2.2 Jurisdictional Delineation ......................................................................... 2 2.2.3 Riparian/Riverine and Vernal Pool Habitat Assessment (MSHCP Section 6.2.1) ........................................................................... 3 2.2.4 Narrow Endemic Plant Species Survey Area ........................................... 5 2.2.5 Criteria Area Species Survey Area ........................................................... 5 2.2.6 Burrowing Owl Habitat Assessment and Survey ..................................... 5 3.0 RESULTS .................................................................................................................. 6 3.1 Topography and Soils ......................................................................................... 6 3.2 Vegetation Communities .................................................................................... 7 5.2.1 Southern Willow Scrub ............................................................................ 7 5.2.2 Coast Live Oak Woodland ....................................................................... 7 5.2.3 Riversidean Sage Scrub (including disturbed) ......................................... 8 5.2.4 Non-native Grassland (including Rumex dominated) .............................. 8 5.2.5 Eucalyptus Woodland ............................................................................... 8 5.2.6 Developed ................................................................................................. 9 3.4 Jurisdictional Waters and Wetlands .................................................................... 9 3.4.1 Potential USACE/RWQCB Jurisdiction .................................................. 9 3.4.2 Potential CDFW Jurisdiction .................................................................... 9 3.5 Riparian/Riverine and Vernal Pool Habitat Assessment .................................. 10 3.6 Narrow endemic plant species survey ............................................................... 13 3.7 Criteria Area Plant Species Survey ................................................................... 13 3.8 Burrowing Owl Habitat Assessment and Survey ............................................. 13 3.9 Other Sensitive Species..................................................................................... 13 3.9.1 Sensitive Plants ....................................................................................... 14 3.9.2 Sensitive Animals ................................................................................... 19 4.0 REGULATORY CONTEXT ................................................................................... 24 4.1 Federal............................................................................................................... 24 4.2 State................................................................................................................... 25 i TABLE OF CONTENTS (cont.) Section Title Page 4.0 REGULATORY CONTEXT ................................................................................... 24 4.3 Western Riverside Multiple Species Habitat Conservation Plan ...................... 26 5.0 IMPACTS ................................................................................................................ 26 5.1 Vegetation Communities .................................................................................. 27 5.2 Jurisdictional Waters and Wetlands .................................................................. 28 5.2.1 Potential USACE/RWQCB Jurisdiction ................................................ 28 5.2.2 Potential CDFW Jurisdiction .................................................................. 28 5.3 MSHCP Consistency Analysis ......................................................................... 29 5.4.1 MSHCP Reserve Assembly Requirements ............................................ 29 5.4.2 MSHCP Section 6.1.2 Protection of Species Associated with Riparian/Riverine Areas and Vernal Pools .................................. 29 5.4.3 MSHCP Section 6.1.3 Protection of Narrow Endemic Plant Species .... 30 5.4.4 MSHCP Section 6.1.4 Guidelines Pertaining to the Urban/Wildlands Interface ................................................................................................. 30 5.4.5 MSHCP Section 6.3.2 Additional Survey Needs and Procedures ......... 31 5.4.6 MSHCP Section 6.4 Fuels Management ................................................ 31 5.5 Nesting Birds .................................................................................................... 32 6.0 AVOIDANCE, MINIMIZATION, AND MITIGATION MEASURES ................. 32 6.1 Sensitive Species ............................................................................................... 32 6.1.1. Burrowing Owl ...................................................................................... 32 6.1.2 Nesting Birds .......................................................................................... 32 6.2 Riparian/Riverine Areas .................................................................................... 33 6.3 Non-native Invasive Species Restrictions ......................................................... 34 6.4 MSHCP Mitigation Fee .................................................................................... 34 6.5 Stephens’ Kangaroo Rat HCP Fee .................................................................... 35 7.0 CERTIFICATION/QUALIFICATION ................................................................... 36 8.0 REFERENCES ........................................................................................................ 37 LIST OF APPENDICES A Plant Species Observed B Animal Species Observed or Detected C Site Photographs D Explanation of Status Codes for Plant and Animal Species ii TABLE OF CONTENTS (cont.) LIST OF FIGURES No. Title Follows Page No. 1 Regional Location ................................................................................................................2 2 Project Vicinity Map (USGS Topography) .........................................................................2 3 Project Vicinity Map (Aerial Photograph) ...........................................................................2 4 MSHCP Criteria Map ..........................................................................................................2 5 Vegetation Communities .....................................................................................................8 6 USACE/RWQCB Jurisdiction ...........................................................................................10 7 Vegetation Communities/Impacts ......................................................................................10 8 USACE/RWQCB Jurisdiction ...........................................................................................30 9 CDFW Jurisdiction and Riparian/Riverine Areas ..............................................................30 LIST OF TABLES No. Title Page No. 1 Burrowing Owl Survey Information ....................................................................................6