South Shore II Tentative Tract Map No. 36567 Initial Study/ Mitigated Negative Declaration December 2013 Prepared for: City of Lake Elsinore Planning Division 130 South Main Street Lake Elsinore, CA 92530 Applicant: South Shore II, LLC 515 Avocado Avenue Corona Del Mar, CA 92625 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard, Suite 200 La Mesa, CA 91942 South Shore II Tentative Tract Map No. 36567 Initial Study No. 2013-02 Prepared for: City of Lake Elsinore Planning Division 130 South Main Street Lake Elsinore, CA 92530 Applicant: South Shore II, LLC 515 Avocado Avenue Corona Del Mar, CA 92625 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard, Suite 200 La Mesa, CA 91942 December 2013 - This document is designed for double-sided printing - TABLE OF CONTENTS No. Section Page 1. INTRODUCTION ......................................................................................................................... 1 1.1 California Environmental Quality Act ................................................................................ 1 1.2 Intended Uses of Initial Study and Mitigated Negative Declaration .................................. 2 1.3 Public Comments ................................................................................................................ 2 1.4 Availability of Materials ..................................................................................................... 3 1.5 Contents of Initial Study ..................................................................................................... 3 1.6 Scope of Environmental Analysis ....................................................................................... 4 2. PROJECT DESCRIPTION .......................................................................................................... 5 2.1 Project Title ......................................................................................................................... 5 2.2 Lead Agency Name and Address ........................................................................................ 5 2.3 Contact Person and Phone Number .................................................................................... 5 2.4 Project Location .................................................................................................................. 5 2.5 Project Sponsor’s Name and Address ................................................................................. 5 2.6 General Plan Land Use Designation ................................................................................... 5 2.7 Zoning District .................................................................................................................... 5 2.8 Project Description ............................................................................................................. 6 2.9 Project Objectives ............................................................................................................... 8 2.10 Surrounding Land Uses ...................................................................................................... 8 2.11 Environmental Setting ........................................................................................................ 8 2.12 Required Approvals ............................................................................................................ 9 3. DETERMINATION .................................................................................................................... 10 3.1 Environmental Factors Potentially Affected ..................................................................... 10 3.2 Determination ................................................................................................................... 10 4. EVALUATION OF ENVIRONMENTAL IMPACTS ............................................................. 11 4.1 Aesthetics .......................................................................................................................... 11 4.2 Agricultural and Forest Resources .................................................................................... 13 4.3 Air Quality ........................................................................................................................ 15 4.4 Biological Resources ........................................................................................................ 21 4.5 Cultural Resources ............................................................................................................ 25 4.6 Geology and Soils ............................................................................................................. 29 4.7 Greenhouse Gas Emissions ............................................................................................... 32 4.8 Hazards and Hazardous Materials .................................................................................... 36 4.9 Hydrology and Water Quality ........................................................................................... 39 4.10 Land Use and Planning ..................................................................................................... 43 4.11 Mineral Resources ............................................................................................................ 44 4.12 Noise ................................................................................................................................. 45 4.13 Population and Housing .................................................................................................... 51 4.14 Public Services .................................................................................................................. 52 4.15 Recreation ......................................................................................................................... 54 4.16 Transportation/Traffic ....................................................................................................... 55 4.17 Utilities and Service Systems............................................................................................ 60 4.18 Mandatory Findings of Significance ................................................................................. 62 5. REFERENCES ............................................................................................................................. 64 5.1 List of Preparers ................................................................................................................ 64 5.2 References ......................................................................................................................... 65 South Shore II (Tentative Tract Map No. 36567) December 2013 Initial Study Page i TABLE OF CONTENTS (cont.) LIST OF FIGURES No. Title Follows Page 1 Regional Location Map .................................................................................................................... 6 2 Project Location Map ....................................................................................................................... 6 3 Aerial Project Location Map ............................................................................................................ 6 4 MSHCP Criteria Map ...................................................................................................................... 6 5 Site Plan ........................................................................................................................................... 6 6a Representative Site Photographs ...................................................................................................... 8 6b Representative Site Photographs ...................................................................................................... 8 7 Vegetation and Sensitive Resources/Grading Plan ........................................................................ 22 8 Project Area Roadways .................................................................................................................. 38 LIST OF TABLES No. Title Page 2.1 Public Service Providers .................................................................................................................. 7 4.3.1 South Coast Air Basin Criteria Pollutant Attainment Status ......................................................... 16 4.3.2 Maximum Daily Emissions Thresholds ......................................................................................... 16 4.3.3 Construction Activity Maximum Daily Emissions ........................................................................ 17 4.3.4 Daily Operational Emissions ......................................................................................................... 18 4.3.5 Localized Significance Thresholds and Project Emissions ............................................................ 19 4.4.1 Vegetation Communities on the South Shore II Project Site ......................................................... 23 4.7.1 Construction Greenhouse Gas Emissions ...................................................................................... 33 4.7.2 Operational Greenhouse Gas Emissions ........................................................................................ 34 4.9.1 Receiving Waters and 303(d) Impairments ................................................................................... 40 4.12.1 Noise and Land Use Compatibility Standards