2010 City of Beverly Hills Urban Water Management Plan
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2010 City of Beverly Hills Urban Water Management Plan August, 2011 This Page Left Blank Intentionally 2010 URBAN WATER MANAGEMENT PLAN City of Beverly Hills August 2011 Prepared by: CONSULTING ENGINEERS 1130 W. Huntington Drive Unit 12 Arcadia, CA 91007 (626) 821-3456 This Page Left Blank Intentionally CITY OF BEVERLY HILLS 2010 URBAN WATER MANAGEMENT PLAN TABLE OF CONTENTS Section 1: Introduction Section Page 1.1 Purpose and Summary ....................................................................................................1-1 1.2 Coordination.....................................................................................................................1-1 1.3 Format of the Plan............................................................................................................1-2 1.4 Water System History ......................................................................................................1-3 1.5 Service Area.....................................................................................................................1-5 1.6 Climate .............................................................................................................................1-5 1.7 Population ........................................................................................................................1-6 1.8 Water System...................................................................................................................1-6 Section 2: Water Supply Resources Section Page 2.1 Introduction ......................................................................................................................2-1 2.2 Sources of Supply............................................................................................................2-1 2.3 Water Supply Summary ...................................................................................................2-8 2.4 Projected Supply Outlook ................................................................................................2-9 2.5 Alternative Supply Sources..............................................................................................2-9 2.6 Transfer or Exchanges...................................................................................................2-12 Section 3: Water Quality Section Page 3.1 Introduction ......................................................................................................................3-1 3.2 Quality of Sources............................................................................................................3-1 3.3 Water Quality Concerns...................................................................................................3-1 3.4 Water Quality Effects .......................................................................................................3-7 Section 4: Water Demands Section Page 4.1 Introduction ......................................................................................................................4-1 4.2 Current City Water Needs................................................................................................4-1 4.3 Historic Water Demand....................................................................................................4-2 4.4 Water Use Statistics.........................................................................................................4-2 4.5 Water Conservation .........................................................................................................4-4 4.6 Projected Water Demand...............................................................................................4-10 2010 URBAN WATER MANAGMENT PLAN TOC - 1 TABLE OF CONTENTS 2010 CITY OF BEVERLY HILLS URBAN WATER MANAGEMENT PLAN TABLE OF CONTENTS (cont.) Section 5: Reliability Planning Section Page 5.1 Introduction ......................................................................................................................5-1 5.2 Historic Droughts..............................................................................................................5-1 5.3 Regional Supply Reliability ..............................................................................................5-2 5.4 Supply vs. Demand..........................................................................................................5-6 5.5 Vulnerability of Supply ...................................................................................................5-16 5.6 Water Supply Opportunities ...........................................................................................5-16 Section 6: Conservation Measures Section Page 6.1 Introduction ......................................................................................................................6-1 6.2 CUWCC Membership.......................................................................................................6-1 6.3 Conservation Measures ...................................................................................................6-1 Section 7: Urban Water Shortage Contingency Plan Section Page 7.1 Introduction ......................................................................................................................7-1 7.2 Response Plan ................................................................................................................7-1 7.3 Three Year Minimum Supply ..........................................................................................7-4 7.4 Catastrophic Interruptions ...............................................................................................7-4 7.5 Prohibitions & Penalties ..................................................................................................7-6 7.6 Fiscal Impacts ..................................................................................................................7-6 7.7 Council Ordinance ...........................................................................................................7-6 7.8 Mechanisms to Determine Actual Reduction is Use........................................................7-6 Appendices Appendix Description Appendix A...................................................................................................................... References Appendix B......................................................................... Urban Water Management Planning Act Appendix C.................................................................................................... DWR UWMP Checklist Appendix D..............Coordination, Public Notice, & City Council Resolution Adopting 2010 UWMP Appendix E............................................................Emergency Water Conservation Plan Ordinance Appendix F ..................................................................................... Landscape Efficiency Ordinance Appendix G ................................................................................................MWD RUWMP Section II Appendix H..............................................................................................................CUWCC Reports Appendix I .........................................................Baseline & Compliance (2020) Per Capita Analysis TOC - 2 2010 URBAN WATER MANAGMENT PLAN TABLE OF CONTENTS CITY OF BEVERLY HILLS 2010 URBAN WATER MANAGEMENT PLAN SECTION 1: INTRODUCTION 1.1 PURPOSE AND SUMMARY This is the 2010 Urban Water Management The Act has been amended on several Plan (UWMP) for the City of Beverly Hills occasions since its initial passage in 1983. (City). This plan has been prepared in New requirements of the Act due to SBx7-7 compliance with the Urban Water state that per capita water use within an Management Planning Act (Act), which has urban water supplier's service area must been codified at California Water Code decrease by 20% by the year 2020 in order sections 10610 through 10657 and can be to receive grants or loans administered by found in Appendix B to this 2010 Plan. DWR or other state agencies. The legislation sets an overall goal of reducing per capita As part of the Act, the legislature declared urban water use by 20% by December 31, that waters of the state are a limited and 2020. The state shall make incremental renewable resource subject to ever progress towards this goal by reducing per increasing demands; that the conservation capita water use by at least 10% by December 31, 2015. Each urban retail water and efficient use of urban water supplies are supplier shall develop water use targets and of statewide concern; that successful an interim water use target by July 1, 2011. implementation of plans is best Effective 2016, urban retail water suppliers accomplished at the local level; that who do not meet the water conservation conservation and efficient use of water shall requirements established by this bill are not be actively pursued to protect both the eligible for state water grants or loans. An people of the state and their water resources; urban retail water supplier shall include in that conservation and efficient use of urban its water management plan the baseline daily water supplies shall be a guiding criterion in per capita water use, interim water use public decisions; and that urban water target, and compliance daily per capita water suppliers shall be required to develop water use. DWR, through a public process and in management plans to achieve conservation consultation