Initial Study and Mitigated Negative Declaration Anza Reservoir No. 2 (Project No. D1574) Prepared for: Krieger and Stewart, Inc. Consulting Engineers 3602 University Avenue Riverside, California 92501 For Submittal to: Rancho California Water District 42135 Winchester Road Temecula, California 92590 Prepared by: K.S. Dunbar & Associates, Inc. Environmental Engineering 43575 Vista Del Mar Temecula, California 92590-4314 (951) 699-2082 FAX: (951) 699-2087 Email:
[email protected] January 2012 Initial Study and Mitigated Negative Declaration Anza Reservoir No. 2 (Project No. D1547) Rancho California Water District Table of Contents Page Executive Summary ES-1 Project Description ES-1 Project Summary ES-1 Project Schedule ES-1 Impacts and Mitigation Measures ES-3 Areas of Controversy ES-7 Issues to be Resolved ES-7 Document Availability and Contact Personnel ES-7 1 Introduction 1-1 Introduction 1-1 Project Summary 1-1 California Environmental Quality Act Compliance 1-3 Purposes of an Initial Study 1-3 Contents of an Initial Study 1-4 Intended Uses of the Initial Study 1-4 Lead Agency Decision-Making Process 1-5 Approvals for which this Initial Study will be Used 1-5 2 Project Description 2-1 Project Description 2-1 Soils Storage/Disposal Site 2-1 Construction Equipment 2-1 Project Schedule 2-5 3 Environmental Setting 3-1 Introduction 3-1 Aesthetics 3-1 Agricultural and Forest Resources 3-1 Air Quality 3-1 Climate 3-1 Regional Air Quality 3-3 Air Pollutants 3-3 Ambient Air Quality Standards 3-8 Ambient Air Quality Data 3-9 Emissions Inventory 3-11 Regulatory Setting 3-11 Biological Resources 3-15 Introduction 3-15 Environmental Setting 3-16 Regulatory Setting 3-20 Cultural Resources 3-25 Prehistory 3-25 Ethnography 3-26 K.S.