FINAL SUBSEQUENT ENVIRONMENTAL IMPACT REPORT FOR FOCUSED GENERAL PLAN UPDATE and Related Amendments to the Non-Coastal Zoning Ordinance and Zone Change ZN05-0008 The Environmental Report Review Committee recommends that the decision-making body of the proposed project find that this document has been completed in compliance with the California Environmental Quality Act. Signed: (Nancy Settle) June 22, 2005 ERRC Chair Date Table of Contents 1. Introduction ...................................................................................... 1 1.1 Project Background/History ......................................................................................1 1.2 Purpose/Legal Authority............................................................................................2 1.3 Lead, Responsible and Trustee Agencies ................................................................3 1.4 Scope of EIR.............................................................................................................3 1.5 Areas of Known Controversy ....................................................................................3 2. Project Description .......................................................................... 5 2.1 Project Applicant.......................................................................................................5 2.2 Project Location ........................................................................................................5 2.3 Project Objectives.....................................................................................................5 2.4 Project Characteristics..............................................................................................5 2.5 Project Components That Have Potential for Adverse Environmental Impact..........8 3. Summary of Impacts and Alternatives......................................... 10 3.1 Unmitigated, Significant Adverse Impacts ..............................................................10 3.2 Mitigated, Significant Adverse Impacts ...................................................................18 3.1 Less than Significant Adverse Impacts ...................................................................21 3.4 Alternatives .............................................................................................................22 4. Environmental Setting, Impacts, Mitigation Measures and Residual Effects ............................................................................. 24 4.1 Air Quality ...............................................................................................................24 4.2 Mineral Resources..................................................................................................29 4.3 Biological Resources ..............................................................................................34 4.4 Agricultural Resources............................................................................................46 4.5 Scenic Resources...................................................................................................52 4.6 Paleontological Resources .....................................................................................55 4.7 Cultural Resources .................................................................................................57 4.8 Coastal Beaches and Sand Dunes .........................................................................61 4.9 Seismic/Geologic Hazards......................................................................................67 4.10 Hydraulic Hazards/Flood Control and Drainage .....................................................73 4.11 Fire Hazards/Fire Protection Services ....................................................................80 4.12 Hazardous Materials and Waste/Public Health.......................................................87 4.13 Noise and Vibration.................................................................................................92 4.14 Transportation/Circulation.......................................................................................98 4.15 Airports/Aviation Hazards .....................................................................................121 4.16 Water Supply/Resources ......................................................................................126 4.17 Waste Treatment and Disposal.............................................................................144 4.18 Utilities/Energy Resources....................................................................................168 4.19 Law Enforcement and Emergency Services .........................................................173 4.20 Education Facilities and Services .........................................................................180 4.21 Recreation Facilities..............................................................................................186 4.22 Community Character ...........................................................................................191 4.23 Housing.................................................................................................................208 4.24 Growth Inducement...............................................................................................211 5. Alternatives to the Proposed Project ......................................... 223 5.1 No Project Alternative ...........................................................................................223 5.2 Lower Traffic LOS Standard on Santa Rosa Road and Moorpark Road from “D” to “E” .........................................................................................................................223 Draft Final Subsequent Environmental Impact Report for Focused General Plan Update i 5.3 Additionally Lower Traffic LOS Standard on Highways 34 and 118 and Santa Clara Avenue from “D” to “E”..........................................................................................224 5.4 Highway 34 Bypass Around Somis.......................................................................226 5.5 Other Alternatives Considered and Rejected........................................................229 6. General Plan Consistency Analysis ........................................... 231 6.1 General Plan Goals and Policies ..........................................................................231 6.2 Coastal and Non-Coastal Zoning Ordinances and Subdivision Ordinance ..........235 7. References and Organizations, Agencies and Individuals Consulted...................................................................................... 236 8. Appendices – Separate Document Draft Final Subsequent Environmental Impact Report for Focused General Plan Update ii List of Figures Figure 4.2-1 Aggregate Resources – South Half......................................................32 Figure 4.2-2 Petroleum Resources – South Half......................................................33 Figure 4.3-1a Endangered, Threatened, and Rare Animals – North Half.................. 39 Figure 4.3-1b Endangered, Threatened, and Rare Animals – South Half ................. 40 Figure 4.3-2a Endangered, Threatened, and Rare Plants and Natural Communities – North Half..................................................................................................................41 Figure 4.3-2b Endangered, Threatened, and Rare Plants and Natural Communities – South Half .................................................................................................................42 Figure 4.3-3a National Wetlands Inventory Water Bodies and Wetlands of Ventura County– North Half....................................................................................................43 Figure 4.3-3b National Wetlands Inventory Water Bodies and Wetlands of Ventura County – South Half ..................................................................................................44 Figure 4.3-4 South County Habitat Linkages and Wildlife Corridors .........................45 Figure 4.4-1 Important Farmlands Inventory .............................................................51 Figure 4.5-1 Scenic Resource Protection Overlay ....................................................54 Figure 4.10-1 Flood Plains – South Half ..................................................................77 Figure 4.10-2a Flood Control – North Half ...............................................................78 Figure 4.10-2b Flood Control – South Half...............................................................79 Figure 4.11-1a Fire Hazard Map - North Half............................................................85 Figure 4.11-1b Fire Hazard Map - South Half ...........................................................86 Figure 4.13-1 2020 Noise Contours Map for Regional Road Network ......................97 Figure 4.14-1 Roadway Levels of Service...............................................................119 Figure 4.14-2 Average Daily Traffic (ADT) Level of Service (LOS) Thresholds - County Roads/Conventional State Highways, and Freeways Table ....................... 120 Figure 4.16-1 Water Resources – South Half .........................................................139 Figure 4.16-2 Ventura County 2000 Water Survey ................................................. 140 Figure 4.16-3a Water Demand Projections Within Casitas MWD .......................... 141 Figure 4.16-3b Water Supply Projections