2020 Urban Water Management Plan Executive Summary
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2020 URBAN WATER MANAGEMENT PLAN Providing Water Security to Western Riverside County for over 60 years Western is a regional leader for safe, reliable, and affordable water supply. The Western Municipal Water District (Western) was Legend formed in 1954 to bring supplemental water to the Box Springs Mutual Water Company City of Corona City of Norco growing western Riverside county. Today, Western Eagle Valley Mutual Water Company Elsinore Valley Municipal Water District provides water supply, wastewater treatment and Home Gardens County Water District Jurupa Community Services District disposal, and water resource management to nearly Rancho California Water District Riverside Highland Water Company Riverside Public Utilities one million people in a service area covering roughly Rubidoux Community Services District Santa Ana River Water Company 527-square miles in western Riverside County. Temescal Valley Water District Western Retail Western General District Boundary Western serves approximately 25,000 retail and fourteen (14) wholesale customers with water from the Colorado River, State Water Project, recycled water and local groundwater. 39 Glendora Legend 38 83 30 Rancho Western Retail Service Areas Cucamonga Fontana Rialto San BernaWesternrdino General District Boundary Ontario 0 20,000 40,000 57 Pomona Feet 15 Redlands Grand Terrace Yucaipa Chino Chino Hills Mira Loma Riverside Chino Hills State Moreno Valley Park Loma Linda University, County of Riverside, Bureau of Land Management, Esri, 90 HERE, Garmin, USGS, NGA, EPA, USDA, NPS 91 Corona 79 91 0 15,000 30,000 As a member agencyWestern of Municipalthe Metropolitan Water District Water Feet 2020 UWMP and DCP ± Wholesale Service Area and Customers Orange District of Southern California (Metropolitan), Western Perris Wholesale provides supplemental water to the cities of Santa Ana 241 15 Corona, Norco, and Riverside and the water agencies 215 Sun City Irvine serving Box Springs, Eagle Valley, Elsinore Valley, 133 Costa Mesa Lake Elsinore Temescal Valley, and Temecula. Rancho Santa Margarita Lake Forest Newport Beach Mission Viejo Wildomar 79 San Bernardino 74 Laguna Niguel National Forest 210 Murrieta Los Angeles Ontario Riverside 1 Banning Corona Anaheim 5 Temecula Long BeachSanta Ana Agua Tibia Murrieta Wilderness 5 San Clemente County of Riverside, Esri, HERE, Garmin, FAO, NOAA, USGS, Bureau of Land Management, County of Riverside, Esri, HERE, Garmin, SafeGraph, FAO, METI/NASA, USGS, EPA, NPS FallbrookBureau of Land Management, EPA, NPS Oceanside 5 Camp Pendleton Escondido Marine Corps Pala Base Reservation Western Retail servesWestern retail Municipal customers Water District directly in 2020 UWMP and DCP Orangecrest, Mission Grove,Vicinity MapEl Sobrante, Eagle Valley, Temescal Canyon, Woodcrest, Lake Mathews, portions of Mead Valley and Perris, and March Air Reserve Base. WESTERN MUNICIPAL WATER DISTRICT EXECUTIVE SUMMARY 01 2020 URBAN WATER MANAGEMENT PLAN Western’s 2020 Urban Water Management Plan One document that describes Contents of Western’s 2020 URBAN WATER Western’s water vision. MANAGEMENT PLAN Water agencies in California that The Plan includes sections for serve more than 3,000 customers Western Wholesale and Western PART 1: INTRODUCTION or 3,000 acre-feet (AF) annually Retail, and focuses on the Chapter 1 – Introduction are required by California law following topics: Chapter 2 – Outreach and to prepare an Urban Water Engagement Management Plan (UWMP or Supply and Demand – A detailed Chapter 3 – Service Area Plan) every five years. The Plan analysis of current and future water use and sources of supply Description supports Western’s long-term over a 25-year planning horizon resource planning to ensure PART 2: WESTERN WHOLESALE that adequate water supplies are Water Supply Reliability – Chapter 4 – Wholesale available to meet existing and A detailed assessment of water Water Supply future water needs. The Plan supply reliability Chapter 5 – Wholesale integrates local and regional Drought Risk Assessment – An Water Use land use planning, regional analysis of drought risk assuming Chapter 6 – Wholesale Water water supply, infrastructure, and a five consecutive year drought Service Reliability and Drought Risk Assessment demand management projects, Water Use Efficiency and Chapter 7 – Wholesale Demand as well as statewide issues of Conservation – A summary Management Measures concern like climate change and of water use efficiency and Chapter 8 – Wholesale Water regulatory requirements. conservation programs Shortage Contingency Plan Water Shortage Contingency Plan – A summary of planned PART 3: WESTERN RETAIL responses in the event of a water Chapter 9 – Retail Water Supply shortage Chapter 10 – Retail Water Use Outreach and Engagement – Chapter 11 – Retail Water Service A summary of the outreach, Reliability and Drought Risk communication and engagement Assessment that was conducted in support of Chapter 12 – Retail Demand the Plan Management Measures Chapter 13 – Retail Water Shortage Contingency Plan Western is both a water wholesaler (Western PART 4: SUPPORTING INFORMATION Wholesale) and retailer (Western Retail), References and the 2020 UWMP covers both Appendices roles separately. WESTERN MUNICIPAL WATER DISTRICT EXECUTIVE SUMMARY 02 2020 URBAN WATER MANAGEMENT PLAN The 2020 UWMP is an Important Part of Water Planning in the Region The UWMP integrates with many other regional and local planning efforts for planning consistency. This UWMP is just one of many REGIONAL PLANS WESTERN’S PLANS LOCAL PLANS interrelated local and regional planning efforts Western is either Metropolitan Western Retail leading or coordinating with Integrated Resources Retial Agency UWMPs Facilities Master Plans to secure water supplies for Plan and 2020 UWMP customers within its service area. For more information on the One Water One Western’s 2020 Local Hazard Watershed (OWOW) specific scope and content of UWMP Mitigation Plan Plan each of the plans shown below, refer to Figure 1-2 in the UWMP. Risk and Resilience The 2020 UWMP was prepared 2020 Upper Santa Ana Watershed Integrated Assessment & in parallel with a Drought Emergency Response Regional UWMP Plan Contingency Plan (DCP) that is being developed for the entire Arlington Basin 2019 Water Use Western Wholesale service area. Groundwater Efficiency Master Plan Sustainability Plan Western 2020 Drought Contingency Plan WESTERN MUNICIPAL WATER DISTRICT EXECUTIVE SUMMARY 03 2020 URBAN WATER MANAGEMENT PLAN Connecting with Stakeholders and the Public Western is committed to informing and engaging stakeholders and the general public. Western is committed to engaging its customers and stakeholders in a proactive and collaborative way to assist in its water planning efforts. The various groups involved with the UWMP and their role are summarized in the graphics below. Western implemented a tiered engagement plan that included local, regional, state and national participation, including the general public and Western’s own Board of Directors. DROUGHT TASK FORCE MEMBER ORGANIZATIONS ENVIRONMENTAL AND CONSERVATION GROUPS RETAIL: CUSTOMER STAKEHOLDER Inland Empire Resource Altman Plants Conservation District March Air Reserve Base Inland Empire Waterkeeper Vons/Kroger Riverside-Corona Resource Woodcrest MAC Conservation District Woodcrest MAC/Riverside County Santa Ana Watershed Project Authority WATER AGENCY: REGIONAL ENVIRONMENT AND SOCIAL Eastern Municipal Water District JUSTICE Metropolitan Water District of Southern California Center for Community Action and Western created a webpage to provide Environmental Justice San Bernardino Valley Municipal another opportunity for interested Water District individuals or organizations to learn REGIONAL GOVERNMENT (6%) Box Springs Mutual Water Company more about the UWMP, view the Riverside County Flood Control and Drought Task Force participants and City of Corona Water Conservation District workshop schedules, subscribe to City of Norco Western Riverside Council of project updates, review and comment Governments Elsinore Valley Municipal Water on the Plan and access related District resources. RESEARCH Jurupa Community Services District University of California, Riverside Rancho California Water District Water Resources Institute Riverside Highland Water Company LOCAL GOVERNMENT Riverside Public Utilities City of Murrieta Rubidoux Community Services District TRIBAL REPRESENTATIVES Temescal Valley Water District Pechanga Tribal Government Western formed a Drought Task Force that includes diverse perspectives to inform development of the UWMP and the DCP that will be completed in 2022. WESTERN MUNICIPAL WATER DISTRICT EXECUTIVE SUMMARY 04 2020 URBAN WATER MANAGEMENT PLAN Where Western’s Water Comes From 4 The region relies on a diverse San Bernardino Basin Area water supply portfolio. urupa Community Services District Retail water agencies in Western’s service area Chino Desalter 2 Ruidou CSD City of Riverside SWP rely on a variety of sources to meet demands, 7 City of 8 Norco 9 including imported water, local groundwater and 5 Mills Arlington W 7 recycled water. Many of the supply sources within 1 Desalter TP City of March Air the region are shared by multiple retail water 3 Sterling PS Corona 8 Corona Western Reserve Base agencies, including Western Retail. WTP Riverside Retail Area Corona CRA WTP Lake Matthews 8 SUPPLIES AND INFRASTRUCTURE 10 1 Arlington Desalter and Victoria Recharge Basin Produces drinking water by treating Lake Oroville Imported local non-potable groundwater