Resources Appendix
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VENTURA COUNTY GENERAL PLAN RESOURCES APPENDIX Last Amended by the Ventura County Board of Supervisors March 19, 2019 VENTURA COUNTY GENERAL PLAN RESOURCES APPENDIX 2019 Decision-Makers and Contributors Ventura County Board of Supervisors Ventura County Planning Commission Steve Bennett First District Phil White Linda Parks Second District Nora Aidukas Kelly Long Third District Maggie Kestley (Interim) Bob Huber Fourth District James King John Zaragoza Fifth District Richard Rodriguez Ventura County Planning Division Kim Prillhart, Division Manager Susan Curtis, Supervisor, General Plan Update Shelley Sussman, Project Manager Kim Uhlich, Senior Planner Whitney Wilkinson, Biologist RMA GIS Mapping and Graphics Services Jose Moreno County of Ventura Resource Management Agency Planning Division 800 South Victoria Avenue Ventura, CA 93009-1740 (805) 654-2494 FAX (805) 654-2509 https://vcrma.org/divisions/planning VENTURA COUNTY GENERAL PLAN RESOURCES APPENDIX Adopted by the Ventura County Board of Supervisors – May 24, 1988 Amended - June 20, 1989 Amended – December 19, 1989 Amended – December 11, 1990 Amended - December 10, 1991 Amended - December 1, 1992 Amended - July 12, 1994 Amended - September 19, 2000 Amended – September 9, 2008 Amended – April 6, 2010 Amended – June 28, 2011 Amended – March 19, 2019 This page is intentionally blank RESOURCES APPENDIX Table of Contents 1.1 Introduction .................................................................................................. 1 1.2 Air Quality ..................................................................................................... 2 1.2.1 Problem .................................................................................................................................... 2 1.2.2 Air Quality Management ........................................................................................................... 3 1.2.3 Conclusions .............................................................................................................................. 5 1.3 Water Resources ........................................................................................ 12 1.3.1 Groundwater Resources ........................................................................................................ 12 1.3.2 Surface Water Resources ...................................................................................................... 13 1.3.3 Reclaimed Water .................................................................................................................... 14 1.3.4 Water Quality .......................................................................................................................... 15 1.3.5 Conclusions ............................................................................................................................ 16 1.4 Mineral Resources ..................................................................................... 25 1.4.1 Aggregate Resources............................................................................................................. 25 1.4.2 Petroleum Resources ............................................................................................................. 39 1.4.3 Other Mineral Resources ....................................................................................................... 42 1.4.4 Conclusions ............................................................................................................................ 42 1.5 Biological Resources ................................................................................. 53 1.5.1 Biological Resource Laws and Regulations ........................................................................... 53 1.5.2 Native Vegetation ................................................................................................................... 55 1.5.3 Fish and Wildlife ..................................................................................................................... 56 1.5.4 Endangered, Threatened, and Rare Species ........................................................................ 57 1.5.5 Locally Unique Habitats ......................................................................................................... 57 1.5.6 Habitat Connectivity and Wildlife Corridor ............................................................................. 58 1.5.7 Conclusions ............................................................................................................................ 60 1.6 Farmland Resources .................................................................................. 72 1.6.1 Farmland Inventory ................................................................................................................ 72 1.6.2 Farm Characteristics .............................................................................................................. 73 1.6.3 Farmland Preservation Issues ............................................................................................... 73 1.6.4 Implementation Programs ...................................................................................................... 77 1.6.5 Timberland ............................................................................................................................. 78 1.6.6 Conclusions ............................................................................................................................ 78 1.7 Scenic Resources ...................................................................................... 82 1.7.1 Scenic Resource Inventory .................................................................................................... 82 1.7.2 Viewshed of County Lakes ..................................................................................................... 83 1.7.3 Scenic Highways .................................................................................................................... 84 1.7.4 Area Plans .............................................................................................................................. 89 1.7.5 Implementation ....................................................................................................................... 89 1.7.6 Conclusions ............................................................................................................................ 89 1.8 Paleontological and Cultural Resources ................................................. 95 1.8.1 Paleontological Resources ..................................................................................................... 95 1.8.2 Archaeological Resources ..................................................................................................... 96 1.8.3 Historical Resources ............................................................................................................ 100 1.8.4 Native American Resources ................................................................................................. 102 1.8.5 Conclusions .......................................................................................................................... 106 1.9 Energy Resources .................................................................................... 119 1.9.1 Energy Use ........................................................................................................................... 119 1.9.2 Energy Conservation ............................................................................................................ 121 1.9.3 Conclusions .......................................................................................................................... 121 i 1.10 Coastal Beaches and Dunes ................................................................... 122 1.10.1 Value of Beaches and Dunes ............................................................................................... 122 1.10.2 Beach Formation/Degradation ............................................................................................. 123 1.10.3 Conclusions .......................................................................................................................... 124 List of Figures Figure 1.2.1 Ambient Air Quality Standards Chart .................................................................................. 6 Figure 1.2.2 (Deleted) .............................................................................................................................. 8 Figure 1.2.3 Ozone Non-Attainment Area Map ....................................................................................... 9 Figure 1.2.4a Number Of Days Exceeding The National Ozone Standard For Ojai - Thousand Oaks - Simi Valley ....................................................................................................................... 10 Figure 1.3.1 Oxnard Plain - Schematic of Upper and Lower Aquifers (Cross-Section) ........................ 18 Figure 1.3.2a Groundwater Basins Map ................................................................................................ 19 Figure 1.3.2b North Half Water Sheds Map ........................................................................................... 20 Figure 1.3.3 Existing Sea Water Intrusion in the Oxnard Aquifer Zone (Map) ...................................... 21 Figure 1.3.4 Aquifer Recharge Areas - Water Resources (Map)..........................................................