FINAL DRAFT REPORT ORANGE COUNTY REGIONAL WATER AND WASTEWATER MULTI-HAZARD MITIGATION PLAN ORANGE COUNTY, CALIFORNIA

Transcription

1 FINAL DRAFT REPORT ORANGE COUNTY REGIONAL WATER AND WASTEWATER MULTI-HAZARD MITIGATION PLAN ORANGE COUNTY, CALIFORNIA PREPARED BY: MUNICIPAL WATER DISTRICT OF ORANGE COUNTY FEBRUARY 1, 2012

2 F I N A L - D R A F T R E P O R T ORANGE COUNTY REGIONAL WATER AND WASTEWATER MULTI-HAZARD MITIGATION PLAN ORANGE COUNTY, CALIFORNIA Prepared by Municipal Water District of Orange County Ward Street Fountain Valley, CA February 1, 2012

3 TABLE OF CONTENTS Section 1 Introduction Plan Description/Purpose of Plan Plan Purpose and Authority Participating Water Jurisdictions Background Participating Wastewater Jurisdictions Section 2 Multi-Jurisdictional Participation List of Participating Water Districts and City Public Utilities Section 3 Planning Process Documentation Description of Each Jurisdiction s Participation in the Planning Process Description of Planning Committee Formation Name of Planning Committee and Its Members Hazard Mitigation Working Group Meetings Planning Process Milestones Public Involvement Existing Plans or Studies Reviewed Section 4 Risk Assessment Overview of the Risk Assessment Process Hazard Identification and Screening Hazard Profiles Vulnerability Assessment Multi-Jurisdictional Assessment Section 5 General Overview of Assets, Goals and Objectives Purpose of the Plan Regional Considerations Regional Goals and Objectives for Hazard Mitigation Planning for Water Regional Goals and Objectives for Hazard Mitigation Planning for Wastewater Implementation through Existing Programs Buena Park Objectives, Goals and Actions El Toro Objectives, Goals and Actions Garden Grove Objectives, Goals and Actions Laguna Beach Objectives, Goals and Actions La Habra Objectives, Goals and Actions MESA Objectives, Goals and Actions Moulton Niguel Objectives, Goals and Actions MWDOC Objectives, Goals and Actions Newport Beach Objectives, Goals and Actions OCSD Objectives, Goals and Actions OCWD Objectives, Goals and Actions City of Orange Objectives, Goals and Actions Santa Margarita Objectives, Goals and Actions i

4 TABLE OF CONTENTS 5.19 Serrano Objectives, Goals and Actions South Coast Water District Objectives, Goals and Actions SOCWA Objectives, Goals and Actions Trabuco Objectives, Goals and Actions Tustin Objectives, Goals and Actions Westminster Objectives, Goals and Actions Yorba Linda Objectives, Goals and Actions Section 6 Plan Maintenance Monitoring, Evaluating and Updating the Plan Section 7 References Section 8 Appendices ii

5 List of Tables and Figures Tables Table Sources of Potable Water for OC Retail Agencies by Sub-Region Table Existing Water Supply Sources for Water Utilities in Orange County Table Orange County Potable Water Demands and Supplies, Current/Future Table Existing Potable Water Storage Volume and Portion Available for Emergency Table Potable Well Water Production Capacity to Year 2025 by Producer Table Planning Representatives for Participating Jurisdictions Table Summary of Hazard Identification Results Table Summary of Hazards Excluded from Hazard Profiling Table Hazard Valuation Loss Summary by Hazard Table Palmer Drought Severity Index Table Characteristics of Imported Geologic Faults in Orange County, California Table Partial List of Earthquake Events in the Southern California Region Table Historic Tornado Events in Orange County ( ) Table Possible Loss of Local Water Supply Due to a Earthquake in/near Orange County by Retail Agency as a Percentage of Normal Local Supply Rate Table Possible Water Shortage in Event of a Major Earthquake in Orange County by Retail Water Agency Table Unit Replacement Costs of Facilities Table Summary Assets Table Moderate Earthquake Threat - Inventory of Critical Facilities and Infrastructure and Table High Earthquake Threat Inventory of Critical Facilities and Infrastructure and Table Extreme Earthquake Inventories of Critical Facilities and Infrastructure and Table Year Flood Plain Inventory of Critical Facilities and Infrastructure and Table Year Flood Plain Inventory of Critical Facilities and Infrastructure and Table Slope Over 25%: Landslide Hazard Inventory of Critical Facilities and Infrastructure and Table Liquefaction Moderate Inventory of Critical Facilities and Infrastructure and Table Liquefaction High Inventory of Critical Facilities and Infrastructure and Table Liquefaction Very High Inventory of Critical Facilities and Infrastructure and Table Low Fire Threat Inventories of Critical Facilities and Infrastructure and iii

6 List of Tables and Figures Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table High Fire Threat Inventory of Critical Facilities and Infrastructure and Exposure Value by Jurisdiction Extreme Fire Threat Inventory of Critical Facilities and Infrastructure and Moderate to Extreme Earthquake Inventory of Potable Water Line and Waste Water Line by Jurisdiction Flood: 100-Year and 500-Year - Inventory of Potable Water Line and Waste Water Line by Jurisdiction Landslide Inventory of Potable Water Line and Waste Water Line by Jurisdiction Moderate to Very High Liquefaction Inventory of Potable Water Line and Waste Water Line by Jurisdiction Low to Extreme Wildlife/Structure Fire Inventory of Potable Water Line and Waste Water Line by Jurisdiction Hazards within Orange County Orange County Regional Water & Wastewater HMP Joint Regional Facilities Lost Estimation Table for Water MET Loss Estimation Table for Orange County Facilities Buena Park Loss Estimation Table Legal and Regulatory Capacity BUENA PARK Goals and Actions El Toro Loss Estimation Table ETWD Goals and Actions Garden Grove Loss Estimation Table GARDEN GROVE Goals and Actions Laguna Beach Loss Estimation Table LBCWD Goals and Actions La Habra Loss Estimation Table iv

7 List of Tables and Figures Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table LA HABRA Goals and Actions Mesa Loss Estimation Table MESA Goals and Actions Moulton Niguel Loss Estimation Table MOULTON NIGUEL Goals and Actions MWDOC Loss Estimation Table MWDOC Goals and Actions Newport Loss Estimation Table NEWPORT BEACH Goals and Actions OCSD Loss Estimation Table OCSD Goals and Actions OCWD Loss Estimation Table OCWD Goals and Actions Orange Loss Estimation Table v

8 List of Tables and Figures Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table ORANGE Goals and Actions Santa Margarita Loss Estimation Table SWMD Goals and Actions Serrano Loss Estimation Table SERRANO Goals and Actions SCWD Loss Estimation Table SCWD Goals and Actions SOCWA Loss Estimation Table SOCWA Goals and Actions Trabuco Loss Estimation Table TRABUCO Goals and Actions Tustin Loss Estimation Table Tustin 2A Worksheet Tustin Historic Fires Above or Within Tustin Watershed TUSTIN Goals and Actions Westminster Loss Estimation Table vi

9 List of Tables and Figures Table Table Table Table Table Table Table Table Table WESTMINSTER Goals and Actions Westminster Loss Estimation Table Yorba Linda Loss Estimation Table YORBA LINDA Goals and Actions vii

10 List of Tables and Figures Figures Figure Figure Figure Figure Figure Figure 2-1 Figure 4.3-1a Figure 4.3-1b Figure 4.3-1c Figure 4.3-1d Figure 4.3-1e Figure 4.3-1f Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Orange County Retail Agencies and Regional Water Facilities Orange County Retail Agencies and Sub-Areas Orange County Water District Basin Areas Orange County Sanitation District Service Area SOCWA Regional Wastewater System MWDOC Service Area and Member Agencies Tsunami Inundation Maps for Orange County Tsunami Inundation Maps for Orange County Tsunami Inundation Maps for Orange County Tsunami Inundation Maps for Orange County Tsunami Inundation Maps for Orange County Tsunami Inundation Maps for Orange County Earthquake-Orange County MWDOC Hazard Mitigation Plan Liquefaction-Orange County MWDOC Hazard Mitigation Plan Flood-Orange County MWDOC Hazard Mitigation Plan Slopes Greater Than 25% Landslide Orange County MWDOC Hazard Mitigation Plan Urban/Wildland Fire Threat-Orange County MWDOC Hazard Mitigation Plan Active Geologic Faults in/near Orange County Shaking Pattern Due to a Simulated Earthquake Magnitude 6.9 Newport Inglewood Fault Shaking Pattern Due to a Simulated Earthquake Magnitude 6.8 Peralta Hills Fault Shaking Pattern Due to a Simulated Earthquake Magnitude 7.5 Puente Hills Fault Shaking Pattern Due to a Simulated Earthquake Magnitude 6.6 San Joaquin Hills Fault Shaking Pattern Due to a Simulated Earthquake Magnitude 6.8 Whittier Fault Buena Park Water Assets El Toro Water District Water and Wastewater Assets Garden Grove Water and Wastewater Assets Laguna Beach County Water District Water Assets La Habra Water Assets Mesa Consolidated Water District Water Assets Moulton Niguel Water District Water and Wastewater Assets MWDOC, Joint and MET Water Assets Newport Beach Water and Wastewater Assets Orange County Sanitation District Wastewater Assets Orange County Water District Water Assets City of Orange Water Assets Santa Margarita Water District Water and Wastewater Assets viii

11 List of Tables and Figures Figure Figure Figure Figure Figure Figure Figure Figure South Orange County Wastewater Authority Wastewater Assets Serrano Canyon Water District Water Assets South Coast Water District Water and Wastewater Assets City of Tustin Water Assets Trabuco Canyon Water District Water and Wastewater Assets Fire History Trabuco Canyon City of Westminster Water Assets Yorba Linda Water and Wastewater Assets ix

12 List of Acronyms and Abbreviations List of Acronyms and Abbreviations ACOE Army Corps of Engineers ADM Administration AF/yr Acre Feet/ year ALERT Automated Level Evaluation in Real Time AMP Allen-McColloch Pipeline AQMD Air Quality Management District ATM Aufdenkamp Transmission Main BPP Basin Production Percentage CA DPH California Department of Public Health CAL EMA California Emergency Management Agency CATIC California Anti-Terrorism Information Center CDC California Department of Conservation CDBG Community Development Block Grants CDF-FRAP California Department of Forestry-Fire and Resource Assessment Program CDFG California Department of Fish and Game CDR Center for Demographic Research CFR Code of Federal Regulations cfs cubic feet per second CGS California Geological Survey CIP Plan Capital Improvement Plan CISN California Integrated Seismic Network COE Corps of Engineers CSSC California Seismic Safety Commission CTP Coastal Treatment Plant DHS Department of Homeland Security DMA 2000 Disaster Mitigation Act of 2000 ETM Effluent Transmission Main EIT Emergency Interties EMS Emergency Medical Services EOC Emergency Operations Center EAP Emergency Action Plan EPA U.S. Environmental Protection Agency EPA- VA Environmental Protection Agency- Vulnerability Assessment EPCRA Emergency Planning and Community-Right-To-Know ERP Emergency Response Plan ESRI a Geographic Information System software development firm FBI Federal Bureau of Investigation FEMA Federal Emergency Management Agency FIRM FEMA Flood Insurance Rate Maps GIS Geographic Information System gpm gallons per minute GWR System Groundwater Replenishment System HAZUS (pg 4-97) HCA (p 4-125) HMGP Hazard Mitigation Grant Program HMP Hazard Mitigation Plan HMWG Hazard Mitigation Working Group x

13 List of Acronyms and Abbreviations How-to Guide FEMA State and Local Mitigation Planning How-to Guide IRWD Irvine Ranch Water District ISPU Interim Strategic Plan Update JBL Jay B. Latham JRWSS Joint Regional Water Supply System JTM Joint Regional Transmission Main LADWP Los Angeles Department of Water and Power LAFCO Local Agency Formation Committee LBCWD Laguna Beach Canyon Water District LMV Lake Mission Viejo LPG Local Planning Groups LS Lift Station MCL Maximum Contaminant Level Mesa Mesa Consolidated Water District MET Metropolitan Water District of Southern California MNWD Moulton Niguel Water District MOA Memorandum of Agreement MSL Mean Sea Level MWDOC Municipal Water District of Orange County NCCP National Communities Conservation Plan NEHRP National Earthquake Hazards Reduction Program NFIP National Flood Insurance Program NIMS National Incident Management System NOAA National Oceanographic and Atmospheric Administration NPDES National Pollutant Discharge Elimination System NRCS Natural Resources Conservation Service NWD National Weather Service NCI North Coast Interceptor OC Orange County OC-44 name of a potable water service connection OC-88 name of a potable water service connection OCBC Orange County Business Council OCFA Orange County Fire Authority OCJTTF Orange County Joint Terrorism Task Force OC-MAIN table additional section 4 insert OCSD Orange County Sanitation District OCWD Orange County Water District OSHA Occupational Safety and Health Administration PDD Presidential Decision Directive PDSI "Palmer Drought Severity Index" PGA Peak Ground Acceleration PP Power Plant PRS Pressure Reducing Station PS Pump Station PSTRG Private Sector Terrorism Response Group PW potable water PWU Participating Water and Wastewater Utilities R-6 Name of a reservoir RDMD County of Orange Resource Development and Management Department xi

14 List of Acronyms and Abbreviations RTP Regional Treatment Plant xii

15 List of Acronyms and Abbreviations RES Reservoir RMS Reservoir Management Systems RWQCB Regional Water Quality Control Board SAMP Special Area Master Plan SAR Santa Ana River SARA Superfund Amendments and Reauthorization Act SAWPA Santa Ana Watershed Project Authority SC Service Connectors SCADA Supervisory Control and Data Acquisition SCEC Southern California Earthquake Center SCEDC Southern California Earthquake Data Center SCP South County Pipeline SCWD South Coast Water District SEMS Standardized Emergency Management System SMWD Santa Margarita Water District SOCWA South Orange County Wastewater Authority SONGS San Onofre Nuclear Generating Station STAPLEE Social, Technical, Administrative, Political, Legal, Economic, and Environmental Considerations 3A 3A Plant TCWD Trabuco Canyon Water District TDS Total Dissolved Solids TEWG Terrorism Early Warning Working Group Title M&22 (potable) California Drinking Water Regulation TRI Toxic Release Inventory TWG Terrorism Working Group USACE United States Army Corps of Engineers USFS United States Forest Service USFWS United States Fish and Wildlife Service USGS United States Geological Survey UOR Upper Oso Reservoir W.I.S.E. (pg 4-39) WD Water District WELL Well WEROC Water Emergency Response Organization of Orange County WMD Weapons of Mass Destruction WRP Lab (pg 4-182) WST Water Storage Tank WTP Water Treatment Plant WUE Water Use Efficiency WW waste water WWTP Wastewater Treatment Plant YLWD Yorba Linda Water District xiii