RESOLUTION NO. 2026-
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
CAMARILLO ADOPTING THE 2025 URBAN WATER
MANAGEMENT PLAN AND WATER SHORTAGE
CONTINGENCY PLAN
The City Council of the City of Camarillo resolves as follows:
SECTION 1. Findings. The City Council of the City of Camarillo finds and declares as follows:
A. The Urban Water Management Planning Act ( California Water Code §10610 et seq.) (“Act”) requires urban water supplier s providing water for municipal purposes to more than 3,000 customers, or supplying more than 3,000 acre-feet of water annually, to prepare and adopt an Urban Water Management Plan (“UWMP”) and a Water Shortage Contingency Plan (“WSCP”) . These plans support the efficient use and management of water resources and provide a framework for managing water shortages.
B. The Act requires urban water suppliers to update the UWMP at least once every five years on or before July 1, in years ending in six and one. The update process requires a public review period and a public hearing. The supplier must submit the updated UWMP to the California Department of Water Resources (“DWR”) within thirty (30) days of adoption and by July 1, 2026, as well as submit the updated UWMP to the California State Library and any city or county within which the supplier provides water within thirty (30) days of adoption.
C. The Act further requires urban water suppliers to periodically review the WSCP, which is a part of the UWMP. The supplier must submit the revised WSCP to the DWR within thirty (30) days of adoption.
D. The City of Camarillo is an urban water supplier serving more than 3,000 customers and has prepared the 2025 U WMP and WSCP in compliance with the requirements of the Act.
E. The City has conducted outreach to stakeholders and all elements of the population within its service consistent with the requirements of the Water Code. The City made the 2025 UWMP and WSCP available for public review and conducted a duly noticed public hearing on June 24, 2026. Copies of the draft 2025 UWMP and WSCP have been available for public inspection at the Public Works Counter, 601 Carmen Drive, Camarillo, CA 93010, and on the City’s website at cityofcamarillo.org/report continuously since June 5, 2026. The City published notice of the time and place of June 24, 2026, public hearing in The Acorn, a newspaper of general circulation, on June 6, 2026, and June 13, 2026, pursuant to Government Code section 6066.
SECTION 2. Urban Water Management Plan. The City Council hereby adopts the 2025 UWMP and WSCP as set forth in the attached Exhibit A.
SECTION 3. Implementation.
The City Manager is hereby authorized and
directed to implement the programs and actions identified in the adopted 2025 UWMP and WSCP.
Resolution No. 2026-
SECTION 4. CEQA Determination. The City Council finds that the adoption of this Resolution is not subject to the California Environmental Quality Act (CEQA) pursuant to the CEQA Guidelines, California Code of Regulations, Title 14, Chapter 3, sections:
15060(c)(2) (the activity will not result in a direct or reasonably foreseeable indirect physical change in the environment); 15060(c)(3) (the activity is not a project as defined in Section 15378); and 15061(b)(3), because the activity is covered by the general rule that CEQA applies only to projects which have the potential for causing a significant effect on the environment.
The City Council alternatively finds the adoption of this Resolution to be exempt from CEQA requirements pursuant to Water Code Section 10652.
SECTION 5. The Acting City Clerk shall (1) certify the adoption of this Resolution; (2) submit the adopted 2025 UWMP and WSCP to the relevant entities in accordance with applicable law, attaching a copy of this Resolution to the submission to the DWR; and (3) make the plans available for public review consistent with California Water Code sections 10632(c) and 10645.
PASSED AND ADOPTED on June 24, 2026.
________________________________
Mayor
Attested to on _____________________.
_________________________________
Acting City Clerk
I, Silvia Jaquez, Acting City Clerk of the City of Camarillo, certify Resolution No. 2026- was adopted by the City Council of the City of Camarillo at a regular meeting held June 24, 2026, by the following vote:
AYES: Councilmembers:
NOES: Councilmembers:
ABSENT: Councilmembers:
________________________________
Acting City Clerk
2025 Urban Water
Management Plan-
Draft
JUNE 2026 CITY OF CAMARILLO
EXHIBIT A
CITY OF CAMARILLO
2025 Urban Water
Management Plan- Draft
JUNE 2026
Prepared by Water Systems Consulting, Inc
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TABLE OF CONTENTS
1 Introduction and Lay Description ...................................................................................... 1-1
1.1 Introduction for City ................................................................................................... 1-2
1.2 California Water Code ............................................................................................... 1-2
1.3 UWMP Organization and Lay Description ................................................................. 1-3
1.4 UWMPs in Relation to Other Efforts .......................................................................... 1-5
1.5 UWMPs and Grant or Loan Eligibility ........................................................................ 1-5
1.6 Demonstration of Consistency with the Delta Plan .................................................... 1-5 2 Plan Preparation .............................................................................................................. 2-1
2.1 Basis for Preparing a Plan ........................................................................................ 2-2
2.2 Regional Planning ..................................................................................................... 2-2
2.3 Coordination and Outreach ....................................................................................... 2-3 3 System Description .......................................................................................................... 3-1
3.1 General Description .................................................................................................. 3-2
3.2 Service Area Boundary Maps ................................................................................... 3-2
3.3 Service Area Climate ................................................................................................ 3-4
3.4 Service Area Population, Demographics, and Socioeconomics ................................ 3-5
3.5 Land Uses within Service Area ................................................................................. 3-6 4 Water Use Characterization ............................................................................................. 4-1
4.1 Past, Current, and Projected Water Use by Sector ................................................... 4-2
4.2 Water Use for Future Lower Income Households .................................................... 4-11
4.3 Climate Change Considerations .............................................................................. 4-12 5 SBX7-7 Compliance & Future Water Use Efficiency Requirements ................................. 5-1
5.1 Compliance and Future Water Use Efficiency Requirements .................................... 5-2 6 Water Supply Characterization ......................................................................................... 6-1
6.1 Water Supply Characterization ................................................................................. 6-2
6.2 Energy Intensity ...................................................................................................... 6-16 7 Water Service Reliability and Drought Risk Assessment .................................................. 7-1
7.1 Introduction ............................................................................................................... 7-2
7.2 Water Service Reliability Assessment ....................................................................... 7-2
7.3 Drought Risk Assessment ......................................................................................... 7-8 8 Water Shortage Contingency Plan ................................................................................... 8-1
8.1 Introduction ............................................................................................................... 8-2 City of Camarillo Public Draft
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8.2 Overview of WSCP Components .............................................................................. 8-2 9 Demand Management Measures ..................................................................................... 9-1
9.1 Introduction ............................................................................................................... 9-2
9.2 Existing Demand Management Measures ................................................................. 9-2
9.3 Reporting Implementation ......................................................................................... 9-9 10 Plan Adoption, Submittal, and Implementation ........................................................... 10-1
10.1 Completed Steps for UWMP and WSCP ............................................................. 10-2 References ........................................................................................................................ REF-1 Appendix A Demonstration of Reduced Data Reliance ......................................................... A Appendix B DWR Checklist .................................................................................................. B Appendix C 60-Day and Public Hearing Notices ................................................................... C Appendix D Adoption Resolution .......................................................................................... D Appendix E Water Shortage Contingency Plan .................................................................... E Appendix F Standard DWR Tables ...................................................................................... F
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LIST OF FIGURES
Figure 3-1. City Water Service Area ........................................................................................ 3-3 Figure 3-2. Annual Precipitation from 2001-2025, CIMIS Station 152 ...................................... 3-4 Figure 4-1: 2025 Percentage of Potable Water Use by Customer Class ................................. 4-3 Figure 4-2. Historic and Projected Demands, 1995 - 2050 ...................................................... 4-9 Figure 6-1. Groundwater Basin Map ....................................................................................... 6-6 City of Camarillo Public Draft
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LIST OF TABLES
Table 2-1. DWR 2-1R Public Water Systems .......................................................................... 2-2 Table 2-2. DWR 2-2 Plan Identification ................................................................................... 2-2 Table 2-3. DWR 2-3 Supplier Identification ............................................................................. 2-2 Table 2-4. Agency Notification ................................................................................................ 2-4 Table 3-1. Average Monthly Climate Data, 2010-2024 ............................................................ 3-5 Table 3-2. DWR Table 3-1R: Estimated Current and Projected Future Population of City Service Area ........................................................................................................................................ 3-6 Table 3-3. SCAG Household and Employment Projections for Water Service Area ................ 3-6 Table 4-1. DWR 4-1R Actual Demands for Water, 2025, AFY ................................................. 4-4 Table 4-2. 2021-2025 Water Losses ....................................................................................... 4-5 Table 4-3. DWR Table 4-5R 12 Month Water Loss Audit Reporting ........................................ 4-5 Table 4-4. DWR 6-4R Progress Towards 2028 Water Loss Standard ..................................... 4-7 Table 4-5. DWR 4-2R Projected Demands for Water, AFY ................................................... 4-10 Table 4-6. DWR 4-3R Inclusion in Water Use Projections ..................................................... 4-10 Table 4-7. Cumulative Low-Income Water Deliveries, AFY ................................................... 4-11 Table 5-1. SB X7-7 2020 Target Progress .............................................................................. 5-2 Table 6-1. DWR 6-8R. Actual Water Supplies, 2025 AFY ....................................................... 6-2 Table 6-2. DWR 6-1R Groundwater Volume Pumped ............................................................. 6-4 Table 6-3. DWR 6-2R Wastewater Collected within City of Camarillo Water Service Area in 2025 ........................................................................................................................................ 6-9 Table 6-4. DWR 6-3R Wastewater Treatment and Discharge within Service Area in 2025...... 6-9 Table 6-5. DWR 6-4R Recycled Water Direct Beneficial Uses Within Service Area .............. 6-11 Table 6-6. DWR 6-5R 2020 Recycled Water Use Projection Compared to 2025 Actual ........ 6-12 Table 6-7. DWR 6-7R Expected Future Water Supply Projects or Programs ........................ 6-14 Table 6-8. DWR 6-9R Projected Water Supplies ................................................................... 6-15 Table 6-9. DWR O-1B Single Delivery Product Total Utility Approach ................................... 6-16 Table 7-1. DWR 7-1R Basis for Water Year Data for CMWD (Reliability Assessment) ............ 7-5 City of Camarillo Public Draft
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Table 7-2. DWR 7-1R Basis For Water Year Data for the Pleasant Valley Basin (Reliability Assessment) ........................................................................................................................... 7-5 Table 7-3. DWR 7-2R Normal Year Potable Water Supply and Demand Comparison, AFY .... 7-6 Table 7-4. DWR 7-3R Single Dry Year Potable Water Supply and Demand Comparison, AFY 7-6 Table 7-5. DWR 7-4R Multiple Dry Years Potable Water Supply and Demand Comparison, AFY ............................................................................................................................................... 7-7 Table 7-6. DWR 7-5R Five-Year Drought Risk Assessment .................................................... 7-9 Table 9-1. Demand Management Measures ........................................................................... 9-2 Table 9-2. Residential Conservation Pricing Rate Structure .................................................... 9-3 Table 9-3. CII Water Rates...................................................................................................... 9-3 Table 9-4. Base Fees for Meter Size ....................................................................................... 9-4 Table 9-5. MWDSC Efficiency Devices 2021-2025 ................................................................. 9-8 Table 9-6. MWDSC Turf Replacement 2021-2025 .................................................................. 9-9 Table 9-7. DMM Implementation between 2021-2025 ............................................................. 9-9 City of Camarillo Public Draft
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ACRONYMS & ABBREVIATIONS
°F Degrees Fahrenheit
AF Acre Foot
AFY Acre Feet per Year
Allocation
Ordinance
FCGMA’s Ordinance to Establish an Allocation System for the Oxnard and Pleasant Valley Groundwater Basins
AMI Advanced Metering Infrastructure
Annual
Assessment Annual Water Supply and Demand Assessment
AWWA American Water Works Association
Camarillo WRP Camarillo Water Reclamation Plant
CII Commercial, Industrial, and Institutional
CIMIS California Irrigation Management Information System CITY City of Camarillo
CMWD Calleguas Municipal Water District
CRA Colorado River Aqueduct
CSD Camarillo Sanitary District
CWC California Water Code
CWOL California Way of Life
DMM Demand Management Measure
DRA Drought Risk Assessment
DWR California Department of Water Resources
ETO Evapo transpiration
FCGMA Fox Canyon Groundwater Management Agency
FT -MSL Feet Above Mean Sea Level
GIS Geographical Information System
GPCD Gallons per Capita per Day
GSA Groundwater Sustainability Agency
GSP Groundwater Sustainability Plan
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Guidebook DWR Urban Water Management Plan Guidebook 2025 HCF Hundred Cubic Feet
HOA Homeowners Association
IPR Indirect Potable Reuse
ITP Independent Technical Panel
KwH Kilowatt -hours
Legislature State of California Legislature
MG Million Gallons
MGD Million Gallons per Day
MWDSC Metropolitan Water District of Southern California NPV North Pleasant Valley
NRI Non -Residential Indoor
RHNA Regional Housing Needs Assessment
RO Reverse Osmosis
RUWMP Regional Urban Water Management Plan
RW Recycled Water
SBX7 -7 Water Conservation Act of 2009 (aka Senate Bill 7 of Special Extended Session 7)
SCAG Southern California Association of Governments
SGMA Sustainable Groundwater Management Act
State State of California
State Water
Board State Water Resources Control Board
SWP State Water Project
TAZ Transportation Analysis Zones
TDS Total Dissolved Solids
UWMP Urban Water Management Plan
UWMP Act Urban Water Management Planning Act
VATP Village at the Park
WSCP Water Shortage Contingency Plan
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1 Introduction and Lay Description
This section provides a brief overview of the City of Camarillo (City) and the purpose of this 202 5 Urban Water Management Plan (UWMP). It also describes how the UWMP is organized and its relation to other local and regional planning efforts that the City is involved in .
IN THIS SECTION
• Introduction to the City
• California Water Code
• UWMP Organization
• UWMPs in Relation to Other
Efforts
• Funding Eligibility
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1.1 Introduction for City
Potable water customers within the official boundaries for the City of Camarillo are provided water by the City’s Water Division of the Public Works Department, and other water purveyors that make up their unique water service territories within the City’s boundaries. The City provides potable water service to approximately 14,000 residential, commercial, industrial, and public facilities connections within approximately 11 square miles (7,033 acres) of residential, agricultural, commercial, and industrial lands, generally described as the western two thirds of the City. The City supply sources come from a combination of groundwater and purchased imported water. The Water Division’s goal is to deliver a dependable supply of quality water to meet the present and future needs through cost-effective management while complying with environmental and regulatory requirements.
1.2 California Water Code
In 1983, the State of California Legislature (Legislature) enacted the Urban Water Management Planning Act (UWMP Act). The law required an urban water supplier providing water for municipal purposes to more than 3,000 customers or serving more than 3,000 acre-feet per year (AFY) to adopt a UWMP every five years. This UWMP must demonstrate water supply reliability under both normal and drought conditions. The UWMP Act applies to wholesale and retail water suppliers.
Since the original UWMP Act was passed, it has undergone significant expansion. Prolonged droughts, groundwater overdraft, regulatory revisions, and changing climatic conditions affect the reliability of each water supplier as well as statewide water reliability overseen by California Department of Water Resources (DWR), the State Water Resources Control Board (SWRCB), and the Legislature. Accordingly, the UWMP Act has grown to address changing conditions.
The current requirements are found in Sections 10610-10656 and 10608 of the California Water Code (CWC).
DWR provides guidance for urban water suppliers by preparing an Urban Water Management Plan Guidebook (Guidebook), conducting workshops, developing tools, and providing program staff to help water suppliers prepare comprehensive and useful water management plans, implement water conservation programs, and understand the requirements of the CWC.
Suppliers prepare their own UWMPs and submit them to DWR. DWR reviews the plans to make sure they have addressed the requirements, and they submit a report to the Legislature summarizing the status of the plans for each five-year cycle. The Guidebook, finalized in January 2026, was used to complete this 2025 UWMP (State of California Department of Water Resources, 2026).
The purpose of this UWMP is for the City to evaluate long-term resource planning and establish management measures to ensure adequate water supplies are available to meet existing and future demands. The UWMP provides a framework to help water suppliers maintain efficient use of urban water supplies, promote conservation programs and policies, ensure that sufficient City of Camarillo Public Draft
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water supplies are available for future beneficial use, and provide a response mechanism during drought conditions or other water supply shortages.
The UWMP is a valuable planning tool used for multiple purposes, including:
• Providing a standardized methodology for water utilities to assess their water resource needs and availability.
• Serving as a resource to the community and other interested parties regarding water supply and demand, conservation, and other water-related information. • Providing a key source of information for cities and counties when considering approval of proposed new developments and preparing regional long-range planning documents, such as city and county General Plans.
• Informing other regional and Statewide water planning efforts, such as Integrated Regional Water Management Plans and the California Water Plan.
CWC 10632 also includes requirements for suppliers to prepare a Water Shortage Contingency Plan (WSCP). The WSCP documents a supplier’s plans to manage and mitigate an actual water shortage condition, should one occur because of drought or other impacts on water supplies, or as directed by the State. The WSCP is a standalone document that can be updated independently of the UWMP but is referenced and attached to the 2025 UWMP. The WSCP is provided as Section 8.
1.3 UWMP Organization and Lay Description
The 2025 UWMP is organized as follows with lay descriptions of each section:
Section 1 – Introduction and Lay Description
This section provides background information on the UWMP process, new regulatory requirements, and an overview of the information covered throughout the remaining sections.
Water suppliers that serve more than 3,000 customers or 3,000 AFY are required to prepare an UWMP. The UWMP is an important tool that details the City’s system and service area, estimates supply and demand over a twenty-five-year period, and analyzes reliability in drought and other shortages.
Section 2 – Plan Preparation
This section provides information on the processes used to develop the UWMP, including coordination and outreach efforts, the steps taken to prepare the City’s 2025 UWMP, hold a public hearing, adopt, submit, and implement the 2025 UWMP.
Section 3 – System Description
This section describes the City’s water system, service area, population demographics, local climate, and land uses.
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Section 4 –Water Use Characterization
This section describes and quantifies the current and projected water uses through 2050 within the water service area. The City provides potable water to all its customers within its service territory, which are comprised of about 88 percent (%) residential accounts. In 2025, potable water uses were approximately 59% residential, 12% commercial/institutional, 24% landscape or agricultural irrigation, 1% other uses, and 4% losses.
Section 5 – 5 SB X7-7 Compliance & Future Water Use Efficiency Requirements This section describes compliance with the Water Conservation Act of 2009, also known as Senate Bill 7 of Special Extended Session 7 (SBX7-7). SBX7-7 required all water suppliers to increase water use efficiency and decrease per-capita water consumption by 20% by the year 2020. To meet this requirement, the City established a water use baseline and efficiency targets in its 2015 UWMP. This section discusses compliance and confirms that the City met their 2020 water use target of 180.4 gallons per capita per day (GPCD). Additionally, this section describes new water use efficiency standard set by that State, which will require compliance with increasingly stringent efficiency standards through 2040.
Section 6 – Water Supply Characterization
This section describes and quantifies the current and projected potable and non-potable water supplies. As a result of construction of the North Pleasant Valley Desalter since the last UWMP, the City’s potable water supply use for the planning horizon (2025–2050) is anticipated to be provided mainly by local groundwater. Historically, the City relied upon imported water for a majority of its potable use. The City also treats wastewater to recycled water standards and uses it for beneficial uses. The City has sufficient supplies to meet the demands of current recycled water customers through 2050 and does not anticipate having the capability to take on additional customers in the future.
Section 7 – Water Service Reliability and Drought Risk Assessment This section describes the water service reliability through 2050 and includes the Drought Risk Assessment (DRA) for the next five years. Future demand and supply were analyzed to evaluate supply reliability over the planning horizon (2025–2050). The UWMP analyzed conditions for normal, or average, single-dry, and five-year consecutive dry periods. In all scenarios, the City expects to meet customer demands with the available supply. In addition, a DRA was performed to analyze the anticipated supply and demand for the next five years (2026–2030). The DRA determines that the City’s supplies are able to reliably meet customer demands.
Section 8 – Water Shortage Contingency Plan
The WSCP provides guidance on declaring a water shortage and how to mitigate water shortages. The WSCP defines levels of water shortage and outlines the actions that will be required of customers during each stage.
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Section 9 – Demand Management Measures
This section describes the City’s efforts to promote conservation and reduce water demand, including discussions of specific demand management measures (DMM). Water waste prohibitions and conservation programs are discussed. To participate in any of the rebate programs, interested customers should visit the website here (https://www.ci.camarillo.ca.us/departments/public_works/water_conservation_2/rebate_progra ms.php) or contact the City directly.
1.4 UWMPs in Relation to Other Efforts
This UWMP characterizes water use, estimates future demands and supply sources, and evaluates supply reliability for normal, single-dry, and five consecutive dry years. The UWMP also requires a standalone WSCP, which is provided in Section 8.
In addition to the 2025 UWMP, the City is involved in several internal and external planning efforts. The City collaborates with a variety of stakeholders to achieve consistency between various planning documents locally and regionally.
Documents that were leveraged in preparation of this UWMP are:
• 2016 City of Camarillo Potable Water Master Plan (AKM Consulting Engineers, 2016) • 2022 Ventura County Multi-Jurisdictional Hazard Mitigation Plan (Tetra Tech, County of Ventura, Ventura County Sheriff Emergency Services, 2022) • Groundwater Sustainability Plan for the Pleasant Valley Basin (Fox Canyon Groundwater Management Agency, 2019)
• 2023 City of Camarillo General Plan Annual Progress Report (City of Camarillo, 2024) • Camarillo Sanitary District Technical Memorandum No. 1 – Population, Flows, and Loads Evaluation (Hazen, 2024)
• Southern California Association of Governments (SCAG) Connect SoCal 2024 Demographics & Growth Forecast Technical Report (Southern California Association of Governments, 2024)
1.5 UWMPs and Grant or Loan Eligibility
For a water supplier to be eligible for a grant or loan administered by DWR, the supplier must have a current UWMP on file that meets the requirements set forth by the CWC. A current UWMP must also be maintained by the supplier throughout the term of any grants or loans received. The City has prepared the 2025 UWMP under guidance from DWR’s 2025 UWMP Guidebook.
1.6 Demonstration of Consistency with the Delta Plan
The Delta Plan is a comprehensive, long-term, legally enforceable plan guiding how federal, state, and local agencies manage the Sacramento–San Joaquin Delta’s (Delta’s) water and environmental resources. The Delta Plan was adopted in 2013 by the Delta Stewardship City of Camarillo Public Draft
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Council. Delta Plan Policy WR P1 identifies UWMPs as the tool to demonstrate consistency with state policy to reduce reliance on the Delta for a supplier that carries out or takes part in a covered action. A covered action may include activities such as a multiyear water transfer, conveyance facility, or new diversion that involves transferring water through, exporting water from, or using water in the Delta. As a supplier that receives imported water from the Delta through its wholesale supplier, the City is required to submit information as outlined in Appendix C of the Guidebook (State of California Department of Water Resources, 2026).
To document and quantify supplies contributing to reduced reliance on the Delta watershed and improved regional self-reliance, a number of steps must be taken, including:
• Setting a baseline
• Change in delivery of Delta water
• UWMP WR P1 consistency reporting
DWR does not review this analysis as part of the UWMP approval process; therefore, this information is attached as Appendix A.
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2 Plan Preparation
This section provides information on the processes used to develop the UWMP, including efforts in coordination and outreach. This section details the importance of plan preparation, the merits of including enhanced material in a UWMP, and it provides specific guidance for preparing the document .
IN THIS SECTION
• Basis for Preparing a Plan
• Regional Planning
• Coordination and Outreach
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2.1 Basis for Preparing a Plan
As mentioned in Section 1, the CWC requires suppliers with 3,000 or more service connections or those supplying 3,000 AFY or more to prepare an UWMP. Suppliers are required to update UWMPs at least once every five years on or before July 1, in years ending in six and one, incorporating updated and new information from the five years preceding each update. The City’s 2025 UWMP must be submitted to DWR by July 1, 2026.
The City is preparing an individual UWMP and is not a member of a Regional Alliance. In 2025, the City served approximately 47,701 people in its service area, through 14,195 metered connections, and supplied approximately 7,314 AFY of potable water to customers. The City has included all mandatory 2025 data in the development of this UWMP. The City purchases imported water from Calleguas Municipal Water District (CMWD) and does not sell potable water to other suppliers. The City sells recycled water to Camrosa Water District.
The following tables are required by DWR.
Table 2-1. DWR 2-1R Public Water Systems
Public water system
number
Public Water System
Name
Number of Municipal
Connections 2025
Volume of Potable
Water Supplied 2025
(AFY)
CA5610019 Camarillo, City of 14,195 7,314
Table 2-2. DWR 2-2 Plan Identification
Type of Plan Member of RUWMP Member of Regional
Alliance
Name of RUWMP or
Regional Alliance
Individual No No Not Applicable
Table 2-3. DWR 2-3 Supplier Identification
Type of Supplier Year Type First Day of Year Unit Type
Retailer Calendar Year
DD MM Acre Feet (AFY)
01 01
2.2 Regional Planning
The City is preparing this UWMP individually and is not directly involved with the preparation of any broader, regional UWMP. However, the City coordinated with the County of Ventura and City of Camarillo Public Draft
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CMWD in preparation for this UWMP. Additionally, the City coordinates with other agencies outside of this UWMP effort as part of CMWD routine purveyor meetings with various cities and purveyors.
2.3 Coordination and Outreach
The coordinated efforts were conducted to 1) inform these agencies of the City’s efforts and activities; 2) gather high quality data for use in developing this UWMP; and 3) coordinate planning activities with other related regional plans and initiatives.
CWC Section 10621 requires that suppliers notify cities and counties to which they serve water that the UWMP and WSCP are being updated and reviewed. The CWC specifies that this must be done at least 60 days prior to the public hearing. To fulfill this requirement, the City sent a letter of notification of preparation of the 2025 UWMP and 2025 WSCP to the County of Ventura 60 days prior to the public hearing as indicated in Table 2-4 and attached as Appendix C, and coordinated with CMWD to exchange supply and demand projections.
Per Government Code 6066, the public hearing was noticed in the local newspaper on June 6, 2026, and noticed again on June 13, 2026. The hearing notices are attached as Appendix C.
The public hearing was held on June 24, 2026 at the City Council meeting prior to the UWMP and WSCP adoption. In addition, the City maintained a copy of the 2025 UWMP and WSCP at City Hall and here (cityofcamarillo.org/reports) prior to the public hearing.
The Final 2025 UWMP and WSCP were formally adopted by the City Council on June 24, 2026.
A copy of the Adoption Resolution is included in Appendix D. A hard copy of the City’s Final 2025 UWMP and WSCP were sent to the California State Library, DWR (electronically using the WUE data reporting tool), and all cities and counties within the City’s service area within 30 days of adoption, which in the City’s case is just the County of Ventura. To fulfill the requirements of Water Code Section 10642 of the UWMP Act, the City made the Final 2025 UWMP available on its website and at the City’s public office during normal business hours for public review within 30 days of adoption.
Should the City need to amend the adopted 2025 UWMP in the future, the City will hold a public hearing for review of the proposed amendments to the document. The City will send a 60-day notification letter to all cities and counties within the City’s service area and notify the public.
Notification to the public with be published twice in the newspaper, the first notice being a minimum of two weeks prior to the public hearing. Once the amended document is adopted, a copy of the finalized version will be sent to the California State Library, DWR (electronically using the WUE data reporting tool), and all cities and counties within the City’s service area within 30 days of adoption. The finalized version will also be made available to the public both on the City’s website and in person at the City’s public office during normal business hours.
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Table 2-4. Agency Notification
Agency/Organization
Was Notified of Plan
Availability*
Sent a notice of intention
to adopt 60 days prior to
public hearing
Calleguas Municipal Water District X
Ventura County Public Works Agency X X
*Was notified of availability of Draft UWMP and directed to an electronic copy of the draft plan on the City website.
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3 System Description
This section describes the City ’s water system, service area, population demographics, local climate, and land uses.
IN THIS SECTION
• General Description
• Service Area Boundary Map
• Service Area Climate
• Population, Demographics, and
Socioeconomics
• Land Uses
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3.1 General Description
The City is located along U.S. Highway 101 in the Pleasant Valley portion of the Oxnard Plain, 9 miles inland from the Pacific Ocean and 45 miles northwest of the City of Los Angeles.
Camarillo is situated in the southern portion of Ventura County and is surrounded by open hills, mountains, and agricultural lands. The majority of the City is approximately 150 feet above mean sea level (ft‐msl), while the northern foothill regions are as high as 360 ft‐msl. The City’s location is shown in Figure 3-1.
The City provides potable water service to a population of approximately 47,701 residents, as well as commercial, industrial, and public facilities. Potable water is water that is safe for human consumption and meets applicable health‐based standards for drinking, cooking, and other domestic uses without health risks. The City provides water service to approximately 11 square miles (7,033 acres) of residential, agricultural, commercial, and industrial lands. The City’s water service territory is approximately the western two-thirds of the City, while remaining areas of the City are provided potable water by other water purveyors.
The City’s existing water distribution system consists of approximately 198 miles of 6‐inch through 20‐ inch diameter pipelines, which include eight (U.S. 101) freeway crossings. Other components of the City's water distribution system include: six reservoirs (four above ground and two underground) with a total combined capacity of 13.4 million gallons (MG), four active groundwater wells, one inactive groundwater well, eight connections for importing water from CMWD, three pumping stations, and 11 pressure reducing valve locations.
The City also has an advanced water treatment facility called the North Pleasant Valley (NPV) Desalter (Desalter) that benefits the region by removing high TDS (salty) groundwater from northeast Camarillo. High TDS water has flowed through waterways outside the City into the PVB groundwater, has built up overtime, and is an environmental concern. The Desalter by treating the built-up salty groundwater that already exists in the PVB, and still inflows into the PVB, helps prevent the salty groundwater plume from migrating into nearby areas and affecting other agricultural and municipal users. The Desalter removes thousands of pounds of TDS from the PVB daily turning it into potable water, and sending the salts removed to the CMWD SMP pipeline which discharges into the ocean, where the discharge is far less salty than the ocean itself.
3.2 Service Area Boundary Maps
The City’s water service area consists of approximately 7,023 acres. Approximately 6,852 acres, or 98 percent, of the water service area, is within the City. As shown on Figure 3-1, the City’s water service area extends outside the City Limits to serve some small areas to the west and north of the City. Approximately 54 percent of the City’s total incorporated area of 12,649 acres is served water by the City. The Camrosa Water District, Pleasant Valley County Water District, Pleasant Valley Mutual Water Company, and Crestview Mutual Water Company serve the remaining portion of the City.
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Figure 3-1. City Water Service Area
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3.3 Service Area Climate
The City's service area climate is semi‐arid with mild winters, warm summers, and moderate rainfall, consistent with coastal Southern California. The mild climate is tempered by cool sea breezes and infrequently interrupted by periods of extremely hot weather, winter storms, or dry, hot Santa Ana winds. Table 3-1 summarizes the standard monthly average evapotranspiration (ETo) rates, rainfall, and temperature and Figure 3-2 shows annual historical precipitation. Most of the rainfall occurs during the period of November through April.
Figure 3-2. Annual Precipitation from 2001-2025, CIMIS Station 152
0.0 5.0
10.0 15.0
20.0 25.0
30.0Annual Precipitation (inches)
Total Annual Precipitation Average Annual Precipitation, 2001 - 2025 City of Camarillo Public Draft
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Table 3-1. Average Monthly Climate Data, 2010-2024
Month
Average Precipitation
(inches)
Average ETo
(inches)
Average Air Temperature
(ºF)
January 1.6 2.5 55.8
February 1.2 2.9 54.5
March 1.9 3.9 55.8
April 0.59 4.8 58.0
May 0.21 5.3 59.5
June 0.14 5.4 62.9
July 0.26 6.1 66.2
August 0.49 5.7 66.6
September 0.28 4.5 65.7
October 0.48 3.7 63.3
November 0.85 2.8 58.2
December 2.3 2.2 54.3
Annual Average: 10.3 49.7 60.1
Source: California Irrigation Management Information System, Station No. 152 (California Department of Water Resources, 2026)
3.4 Service Area Population, Demographics, and
Socioeconomics
Projections of the population served by the City are based on estimates from the 2020 U.S.
Census Bureau and the Southern California Association of Governments (SCAG) (Southern California Association of Governments, 2024). A geographic information systems (GIS) analysis of 2020 Census data was used to determine the City’s 2020 service area population and derive a 2020 persons per residential connection factor (3.8). This factor was then multiplied by the number of connections in 2025 to estimate the 2025 population served by the City. The City’s water service area did changed slightly between 2020 and 2025. To project the population served by the City from 2030 to 2050, average annual population growth rates from SCAG projections were applied to this 2025 estimate. SCAG projected a decrease in population from 2019 to 2035 (averaging -0.43% per year) and a decrease in population from 2035 to 2050 (averaging -0.02% per year). While SCAG’s project population decreases, housing growth is expected to increase by 0.4% annually from 2019 to 2035 and 0.12% from 2035 to 2050.
SCAG’s projections assume lower population per household due to aging populations living alone or without families, lower birth rates and smaller families, and an assumed increase in housing units development. Estimated current and projected future populations of the City’s service area are included in Table 3-2.
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Table 3-2. DWR Table 3-1R: Estimated Current and Projected Future Population of City Service Area POPULATION SERVED 2025 2030 2035 2040 2045 2050
Total 47,701 46,675 45,650 45,606 45,562 45,519
The City is a predominately residential community. In 2025, the City served water to approximately 47,701 residents. The service area is largely built out with local City ordinances designed to reduce expansion and urbanization. According to 2024 US Census Bureau QuickFacts, the City’s population is somewhat older than the County’s with seniors (65 years and over) representing 22% of the City compared to only 19% for the County (United States Census Bureau, 2024). Table 3-3 provides employment and household projections for the City’s water service area based on SCAG GIS data intersected with the water service area.
The estimated 2025 and projected future number of households and employees within the service area were estimated similarly to population using GIS and SCAG data. This approach is described above. The estimated number of households and employees were determined by linear interpolation between SCAG projections for 2019, 2035, and 2050 as shown in Table 3-3.
Table 3-3. SCAG Household and Employment Projections for Water Service Area 2025 2030 2035 2040 2045 2050
Households 17,938 18,303 18,675 18,785 18,895 19,006
Employees 28,268 29,027 29,806 30,123 30,444 30,768
According to US Census Bureau QuickFacts from 2024, the median household income in the City is $109,390. The City’s poverty rate is 8%. The City is 63% white alone, 11% Asian alone,
3.5% black alone, 16% two or more races, and 31% Hispanic or Latino. The average commute to work for workers at least 16 years of age is 23 minutes, which indicates that most jobs are local (United States Census Bureau, 2024).
3.5 Land Uses within Service Area
Residential land uses comprise about 55% of the City’s total area with the remaining land uses being 5% commercial, 9% industrial, 14% conservation, and 16% public (City of Camarillo, 2024). SCAG prepares demographic forecasts based on land use data through an extensive process that emphasizes input from local planners in coordination with local or regional land use authorities, incorporating essential information to reflect anticipated future populations and land uses. SCAG’s projections undergo extensive local review, incorporate zoning information from city and county general plans, and are supported by Environmental Impact Reports.
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Connect SoCal 2024 was developed by SCAG and was adopted on April 4, 2024. As part of this effort, local jurisdictions provided data to SCAG from May to December of 2022. Connect SoCal 2024’s planning horizon extends to 2050.
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4 Water Use Characterization
This section describes and quantifies the City’s past, current, and future water use through 2050.
IN THIS SECTION
• Water Use by Sector
• Water Use for Lower Income
Households
• Climate Change Considerations
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4.1 Past, Current, and Projected Water Use by Sector
4.1.1 Water Use Sectors Listed in Water Code
Water suppliers are required to identify water uses, to the extent that records are available, for at least each of the 10 water use sectors identified in CWC 10631(d) to assist in the water demand projections. The City primarily serves potable water to customers, though it does supply a small amount of recycled water. Recycled water uses are described in Section 6.
The City serves the following water uses:
Single Family Residential
Single family residential customers are typically on a lot with a free-standing building containing one dwelling unit that may include a detached secondary dwelling.
Multi-Family Residential
Multi-family residential customers are typically multiple dwelling units within one building or several buildings within one complex.
Commercial/Institutional
The City tracks commercial and institutional customer water uses as one. Commercial customers typically provide or distribute a product or service and institutional water customers are typically public services, such as higher-education institutions, schools, courts, churches, hospitals, government facilities, and nonprofit research institutions.
Industrial
Industrial customers typically manufacture or process materials.
Landscape Irrigation
The City tracks the water use for landscape irrigation.
Agriculture Irrigation
The City tracks the water use for agricultural irrigation.
Other
The City has accounts for other uses, which generally consist of schools and institutions.
Losses
Distribution system water losses are the water losses from the point of water entry to the distribution system to the delivery point to the customer’s system. Water losses are discussed in Section 4.1.3.
4.1.2 Past and Current Water Use
The City serves potable water for a variety of uses, as summarized in Table 4-1. Water use has trended downward since 2007. Over the past five years, the City used an average of 7,264 AFY City of Camarillo Public Draft
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of potable water (this includes water losses). The most recent peak in demand occurred in 2013 with a potable demand of 9,710 AFY. It is anticipated that the City’s customers will continue to implement conservation behaviors and keep demands lower than pre-drought levels. In 2025, 59% of the total potable water deliveries were to residential customers (49% to single-family accounts and 10% to multi-family accounts). Figure 4-1 shows the percentage of water used by each customer class in 2025 and Table 4-1 shows the annual volume of water used by each customer class for 2025.
Figure 4-1: 2025 Percentage of Potable Water Use by Customer Class
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Table 4-1. DWR 4-1R Actual Demands for Water, 2025, AFY Use Type Level of Treatment When
Delivered 2025 Volume Percentage of
Total
Single Family Potable 3,582 49%
Multi-Family Potable 766 10%
Commercial Potable 865 12%
Industrial Potable 34 0.5%
Landscape Potable 1,580 22%
Agricultural Potable 133 1.8%
Other Potable 37 0.5%
Distribution System Water Losses Potable 317 4.3%
Total 7,314 100%
4.1.3 Distribution System Water Losses
Distribution system water losses are the physical potable water losses from the point of water entry to the distribution system to the point of delivery to the customer’s system. Water loss can result from aging infrastructure, leaks, seepage, theft, metering inaccuracies, data handling errors, and other causes. Addressing water losses can increase water supplies and recover revenue. Section 9 discusses the City’s programs to assess and manage distribution system real loss.
Over the last five years, water losses have ranged from 2% to 10%. The higher water loss (10%) occurred in 2022, which reflects Desalter commissioning operations that required sustained test flows, which were purged before distribution rather than delivered to customers.
Therefore, this number is not representative of loss during typical operations. Water losses were calculated as the difference between billed potable consumption and total potable production and are summarized in Table 4-2.
CWC Section 10631 (d)(3)(C) requires water suppliers to provide data to determine progress toward their State Water Board water loss performance standard. Although the compliance deadline for the standard has not yet occurred, the data needs to be included the 2025 UWMP.
Detailed assessments of water loss were completed since 2020 using American Water Works Association (AWWA) Water Audit Software and summarized in Table 4-3. Table 4-2 and Table 4-3 differ because they were completed using different time periods (calendar year vs fiscal year) and definitions for water loss separated into specific categories.
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Table 4-2. 2021-2025 Water Losses
2021 20221 2023 2024 2025
Losses, AFY 129 762 293 441 317
Percentage of Potable Production 1.6% 10.1% 4.6% 6.3% 4.3%
1. The higher water loss observed in 2022 reflects Desalter commissioning operations that required sustained test flows, which were purged before distribution rather than delivered to customers.
Table 4-3. DWR Table 4-5R 12 Month Water Loss Audit Reporting Public Water
System ID
Reporting Period Submitted to DWR Water
Loss Audit Program
(yes/no)
Volume of Water Loss (AF)1
CA5610019
July 2019 – June 2020 Yes 231
July 2020 – June 2021 Yes 164
July 2021 – June 2022 Yes 418
July 2022 – June 2023 Yes 495
July 2023 – June 2024 Yes 549
July 2024 – June 2025 Yes 381
1. Taken from the field “Water Losses” (a combination of apparent losses and real losses) from the AWWA worksheet.
2. AWWA water loss reports can be accessed at the following link:
https://wuedata.water.ca.gov/awwa_plans
CWC Section 10608.34 required the SWRCB to develop water loss performance standards for urban retail water suppliers to minimize water waste through system leaks. Water loss performance standards were developed through a rulemaking that became effective in 2023.
Under the regulations, each supplier will be required to comply, by 2028, with an individualized volumetric water loss standard based on real loss, using the economic model developed by the SWRCB and the supplier’s own unique data. Real loss is the physical loss of water from water distribution systems, as opposed to apparent losses, which are revenue losses due to meter inaccuracies, billing errors or unauthorized consumption. A supplier’s baseline water loss is calculated as the average water loss from at least 3 of the 4 water loss audits from 2017 – 2020.
The real water loss performance standard is based on gallons per service connection per day (gpscd), or gallons per mile of pipe per day (gpmd), depending on how the supplier reports real loss. Post-2028 compliance with volumetric water loss standards will be assessed every three City of Camarillo Public Draft
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years based on the average of the supplier’s real loss from the preceding three years, with an allowed variation of 5 gallons per connection per day above the supplier’s water loss standard.
Apparent loss standards are equal to the baseline apparent loss and compliance is evaluated at the same time as compliance with the Real Water Loss Performance Standard.
Although the compliance period has not yet started, CWC Section 10631 (d)(3)(C) requires water suppliers to provide data in the UWMP to show whether the supplier met its SWRCB water loss performance standard.
Based on data released by the State on January 30, 2026, the City’s baseline real water loss is
5.6 gpscd and the real water loss standard is 5.6 gpscd, and the apparent loss standard is the baseline of 2.9 gpscd. As shown in Table 4-4, based on the most recent water loss audit, the City has not yet met the real water loss performance standard, but is working toward that goal by 2028 (see Section 9.2.5). Section 9 discusses the City’s programs to assess and manage distribution system real loss.
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Table 4-4. DWR 6-4R Progress Towards 2028 Water Loss Standard Public
System ID #
Reported in
Submittal
Table 2-1R
Did the
Water
Board
Calculate
a Water
Loss
Standard
for this
Public
System?
2028
Real
Water
Loss
Standard
per Unit
per day
Units for
Real Water
Loss
Standard
Number
of Units
Volume
of Total
Real
Water
Loss
(from
AWWA
Water
Loss
Audit)
2025 or
Most
Recent
Year Real
Water
Loss per
Unit per
Day
2028
Apparent
Water
Loss
Standard
per Unit
per Day
Units for
Apparent
Water
Loss
Number of
Connections
Volume
of Total
Apparent
Loss
(from
AWWA
Water
Loss
Audit)
2025 or
Most
Recent
Year
Apparent
Water
Loss per
Unit per
Day
CA5610019 Yes 5.6 gpscd 14,195 231.2 14.5 2.9 gpscd 14,195 43.6 2.7 City of Camarillo Public Draft
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4.1.4 Projected Water Use
As shown in Figure 4-2, water usage varied from a high of 242 GPCD in 2002 to a low of 122 GPCD in 2023. Water demand has trended downward since 2002, which is most likely due to permanent conservation in response to droughts, state mandated water use reduction targets, more efficient appliances and plumbing, and conservation efforts made by the City and its customers. Historic demand trends and water use per connection for each connection type (single family residential, multifamily residential, commercial, etc.) were assessed along with expected growth rates to project demand through 2050. The major assumptions used to develop demand projections are listed below:
Baseline Water Use: A historic baseline period is used approximate “normal” demand patterns representative of what is expected in the future given normal conditions for influential factors impacting demand, known as “demand drivers”. A key demand driver is rainfall. Baseline years incorporate impacts of dry and wet years since demand typically fluctuates with rainfall due to the need for more irrigation in dry years and less in wet years. A baseline period of 2020-2024 is used, which captures three average rainfall years, one wet year, and one dry year. Furthermore, 2021 was the highest demand and 2023 was the lowest demand since the 2012-2016 drought capturing a wide range of demand drivers to approximate an average or normal demand pattern.
Growth Rate: Projected connection growth for each use type is based on historic connections growth for 2020 to 2024. However, indoor residential usage is considered separately from outdoor usage since indoor use is associated with people in a housing unit and outdoor use is associated with the landscape of a housing unit. Therefore, the growth of indoor residential demand is projected to scale with SCAG-based population projections described in Section 3.4 and outdoor residential demand is projected to scale with historic connections growth rates.
Water Loss: As described in the previous section, losses range from 2% to 10%. As mentioned above, the higher water loss (10%) occurred in 2022 and reflects Desalter commissioning operations rather than delivery to customers; Therefore, this number is not representative of loss during typical operations. The City anticipates water losses will be 2% through 2050.
Figure 4-2 and Table 4-3 present projected demands through 2050.
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Figure 4-2. Historic and Projected Demands, 1995 - 2050 0 50
100
150
200
250
300
0 2000
4000
6000
8000
10000
12000
1990 2000 2010 2020 2030 2040 2050 2060
Historic and Projected Potable Water Demand
per Capita (GPCD)
Historic and Projected Potable Water Demand
(AFY)
Historic and Projected Potable Water Demand (AFY)
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Table 4-5. DWR 4-2R Projected Demands for Water, AFY
USE TYPE ADDITIONAL
DESCRIPTION
LEVEL OF
TREATMENT
PROJECTED WATER USE
2030 2035 2040 2045 2050
Single Family Potable 3,666 3,627 3,631 3,635 3,639
Multi-Family Potable 742 737 740 743 745
Commercial Potable 899 924 949 974 1,001
Industrial Potable 42 42 42 42 42
Landscape Potable 1,594 1,617 1,642 1,666 1,691
Agricultural Potable 86 86 86 86 86
Other Potable 0 0 0 0 0
Distribution System
Water Loss
Potable 134 135 136 137 137
Total 7,164 7,168 7,225 7,283 7,341
Table 4-5 and Table 4-6 satisfy the requirement to include anticipated water conservation savings when developing future demand projections since they account for historically low water use in 2023. Conservation savings were considered and included in developing demand estimates for the next 25 years. However, this UWMP projects demand to plan for supply reliability if demands continue in alignment with historic patterns rather than in alignment with new water use efficiency standards. The City is complying with and planning for new water use efficiency standards as described in Section 5.
Table 4-6. DWR 4-3R Inclusion in Water Use Projections
Are Future Water Savings Included in Projections?
Refer to Appendix K of UWMP Guidebook
Yes
Are Lower Income Residential Demands Included in Projections? Yes
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4.1.5 Characteristic Five-Year Water Use
In addition to past and projected uses, the UWMP analyzes anticipated conditions for the next five years (2026 – 2030). In the next five years, the City anticipates that demands may decrease by approximately 150 AFY from current conditions. This decrease is based on normal year conditions representing continued water use efficiency, which is likely considering the City’s residents have continued to conserve water after the most recent droughts ending approximately in 2016 and 2022. Details on an analysis for the next five years are discussed in Section 7.
4.2 Water Use for Future Lower Income Households
CWC Section 10631.1 requires demand projections to include projected water use for single- family and multi-family residential housing needed for lower income households. Low-income households are defined as households making less than 80% of median income. The Regional Housing Needs Assessment (RHNA) determines the housing needs in each jurisdiction over the planning period. The most recent RHNA for the area covered the planning period from October 2021 to October 2029. For the planning period, 597 new low-income units were projected to be needed in the City by 2029. The RHNA requirement is to have land zoned for the projected low- income housing, not to actually build the units.
For the purposes of this UWMP, the low‐income deliveries projections are included in the City’s total projected water deliveries shown in Table 4-5. The estimated water use for the projected number of low income housing units is calculated by applying the 2025 water usage per connection to new low-income units. The projected demand for the low‐income residential units is shown in Table 4-7.
Table 4-7. Cumulative Low-Income Water Deliveries, AFY
LOW INCOME WATER DEMANDS 2026 2027 2028 2029
Single Family Residential 19 38 57 76
Multi Family Residential 4 8 12 16
Total 23 46 69 92
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4.3 Climate Change Considerations
Consistent future use of groundwater sources may be affected by climate change. “Projections of climate change in California indicate a further intensification of wet and dry extremes and shifting temperatures that can…affect both water use and supplies.
Extreme and higher temperatures can lead to increases in water use…Projections of more frequent, severe, and prolonged droughts could lead to not only less surface water available, but also exacerbating ongoing stressors in groundwater basins across the state.” (State of California Department of Water Resources, March 2021)
Higher temperatures decrease the amount of precipitation available for groundwater recharge and from surface water sources while increasing water use, especially for outdoor use.
Reductions in future groundwater supply due to impacts associated with climate change were considered as part of the projected groundwater supply discussed in Section 6 and Section 7.
Increases in future water use patterns due to climate change factors were considered as part of the demand projections provided in Section 4.
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5 SBX7-7 Compliance & Future
Water Use Efficiency Requirements
This section describes compliance with the Water Conservation Act of 2009, also known as Senate Bill 7 of Special Extended Session 7 (SBX7 -7). The section demonstrate s compliance with the 2020 SBX7 -7 target and discuss es future water use efficiency requirements.
IN THIS SECTION
• Compliance and Future Water
Use Efficiency Requirements
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5.1 Compliance and Future Water Use Efficiency
Requirements
SBX7-7 was incorporated into the UWMP Act in 2009 and required that all water suppliers increase water use efficiency with the overall goal to decrease per-capita water consumption within the state by 20 percent by the year 2020.
SBX7-7 required DWR to develop certain criteria, methods, and standard reporting forms through a public process that water suppliers could use to establish their baseline water use and determine their water conservation targets. SBX7-7 and DWR's Methodologies for Calculating Baseline and Compliance Urban Per Capita Water Use (State of California Department of Water Resources, March 2021) specify methodologies for determining the baseline water demand, 2015 interim urban water use target and the 2020 urban water use target for the City as described in the 2020 UWMP. This section also demonstrates that the City achieved its 2020 water use target.
Table 5-1 below establishes the City’s 2020 actual and 2020 target GPCD. As shown, the City met its 2020 target. Most recently, in 2025, the water use was 136.9 GPCD, which is well below the target of 180.4 GPCD. The City’s steadily decreasing GPCD is due in part to increased water use consciousness among City customers.
Table 5-1. SB X7-7 2020 Target Progress
2020 Target GPCD 2020 Actual GPCD Did Supplier Achieve
Target?
180.4 155.2 Yes
New water use efficiency standards from the “Making Conservation a California Way of life Regulation” (CWOL Regulation) supersede SBX7-7 standards. In 2018, two policy bills were enacted by the California Legislature, Assembly Bill 1668 (Friedman, 2018) and Senate Bill 606 (Hertzberg, 2018), collectively referred to as the “2018 Water Conservation Legislation.” Based on the 2018 Water Conservation Legislation, related legislation, and subsequent adoption of the CWOL Regulation, each urban retail water supplier must comply with its urban water use objective (UWUO). The UWUO is the sum of standards for indoor residential water; outdoor residential water use; commercial, industrial, and institutional (CII) landscape areas irrigated with dedicated meters; water losses; variances (if applicable); and bonus incentives for potable reuse (if applicable). DWR and the State Water Resources Control Board (State Board) have developed a reporting framework for calculating the UWUO and compliance annually with efficiency standards becoming increasingly stringent through 2040. This UWMP projects demand to plan for supply reliability if demands continue in alignment with historic patterns, but the City separately estimates its UWUO in order to plan and implement demand management measures (described in Section 9) to support meeting the UWUO. DMMs and UWUO compliance planning enhance resiliency for drought and other water shortage conditions as described in Sections 7, 8, and 9.
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6 Water Supply Characterization
This section describes and quantif ies the City’s current and projected potable and non -potable water supplies. It provi des a narrative description of each supply source and quantif ies the supply availability for each supply source identified.
IN THIS SECTION
• Water Supply Characterization
• Energy Intensity
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6.1 Water Supply Characterization
The City is situated within the Calleguas Creek Watershed, which is approximately 30 miles long and 14 miles wide and drains an approximate 343 square mile area. Nearly the entire watershed is within Ventura County. The Calleguas Creek Watershed provides surface and groundwater supplies to four cities, including Camarillo and unincorporated areas of Ventura County. The City pumps groundwater from the Pleasant Valley Basin. Local groundwater supplies are critical for supporting communities, such as those served by the City, as well as the local economy, which is bolstered by agriculture. However, local water supplies cannot meet all of the region’s water demands, which necessitates the region’s reliance on imported water. The City’s imported water comes from CMWD. Table 6-1 provides a summary of the City’s supply in 2025.
Table 6-1. DWR 6-8R. Actual Water Supplies, 2025 AFY
WATER SUPPLY
ADDITIONAL
DETAIL ON
WATER SUPPLY
2025
ACTUAL VOLUME WATER TYPE
DRINKING
WATER
ENTITLEMENT
Groundwater (not
desalinated)
Pleasant Valley
Basin 1,222
4 Potable 4,3081
Groundwater
(desalinated)
North Pleasant
Valley Desalter 3,174 Potable 3,800
2 Purchase or
Imported Water CMWD 2,918 Potable 2,9183
Total 7,314 11,026
1. “Drinking Water Entitlement” for the Pleasant Valley Groundwater Basin is the FCGMA allocation and does not include any carryover or special allocations.
2. “Drinking Water Entitlement” for the North Pleasant Valley Desalter is 4,500 AFY from FCGMA, and the 3,800 AFY is the nominal treated drinking water produced by the Desalter.
3. The City has no allocation or restrictions on imported water.
4. The City has current projects to utilize additional groundwater (not desalinated)
Total potable supply for the City from 2021 to 2025 averaged 7,264 AFY. The Desalter only began producing water in 2023, so the 2021 to 2025 timeframe represents a transition period for the City’s water supply. For the 2024 to 2025 period, 17% of supply was groundwater (not requiring desalination), 45% was desalinated groundwater, and 39% was purchased, imported water.
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6.1.1 Purchased or Imported Water
The City of Camarillo has no quantity restriction on imported water use. The City’s CMWD supply met about 50% of the average demand until 2023, and 39% of demand from 2024 to 2025 (during which time the Desalter was operational). These numbers vary from year to year depending on weather conditions, groundwater recharge rates, and groundwater blending requirements due to groundwater quality. The City’s imported water supplier, CMWD, is a member of the Metropolitan Water District of Southern California (MWDSC). MWDSC’s imported water originates from the Colorado River Aqueduct (CRA) and the State Water Project (SWP); however, the City’s imported supply from MWDSC has historically been from the SWP due to its location in the MWDSC supply system.
The City’s Desalter has an expected yield of 3,800 AFY of potable water. This source together with groundwater not requiring desalination has begun to make up the majority of supply and is expected to continue to do so. When feasible, the City uses its groundwater sources (i.e., the Desalter and existing wells) to their full allocation with the remaining supply comprised of purchased water from CMWD. The City will continue to purchase water from CMWD on both a baseline and peak basis. The City’s baseline purchased supply will meet demands of the City’s higher elevation pressure zones 420 and 445A, which have direct turnouts from the CMWD supply pipeline. These two pressure zones are unable to be fed by the City’s distribution system due to pumping limitations and represent the baseline of purchased water from CMWD. The City has plans to modify their system to feed these zones with City-supplied water. For the purposes of this report, it is assumed that these two pressure zones will require 415 AFY based on their average day demand (AKM Consulting Engineers, June 2016). During peak times, the City will also still continue purchasing water from CMWD when the supply from the Desalter and the City’s other wells are not enough to meet demand. This is expected to vary seasonally and will depend on changing regulations within the Pleasant Valley Basin and on future drought conditions.
6.1.2 Groundwater
From 2024 to 2025, the City’s local groundwater supply not requiring desalination met about 17% of the average demand and desalinated groundwater met 45% of the demand. These numbers have varied from year to year depending on weather conditions and, for non- desalinated water, groundwater blending requirements due to groundwater quality. Table 6-2 shows the amount of groundwater pumped from 2021–2025.
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Table 6-2. DWR 6-1R Groundwater Volume Pumped
GROUNDWATER
TYPE1,2
WATER TYPE LOCATION OR
BASIN NAME
2021 2022 2023 2024 2025
Alluvial Basin Not requiring
desalination
Pleasant Valley
Basin
2,042 2,958 1,106 1,150 1,222
Alluvial Basin Requiring
Desalination3
Pleasant Valley
Basin
0 0 3,146 3,224 3,174
1. All volumes in acre feet per year (AFY) and reflect treated water that enters the distribution system, not raw water pumped. All groundwater volumes throughout the UWMP reflect water that enters the distribution system.
2. The City has current projects to utilize additional groundwater (not desalinated)
The City’s Desalter operates with a project-specific groundwater allocation of 4,500 AFY from the Fox Canyon Groundwater Management Agency (FCGMA). The allocation is expected to yield approximately 3,800 AFY of potable water supply. The City currently maintains four groundwater wells A, B, D, and 3. Wells A and B are in the northern part of the City’s system and are the source water for the Desalter. The Desalter’s project-specific allocation of 4,500 AFY and expected yield of 3,800 AFY is in addition to the City’s groundwater allocation of 4,308 AFY from FCGMA. Wells D and 3 are in the southern part of the City’s system and will continue to make up the City’s additional groundwater supply under the FCGMA Allocation Ordinance allocation. Based on the City’s allocations from FCGMA, the combined anticipated drinking water supply available from groundwater going forward would be expected to be 8,108 AFY and the rest of the City’s water supply will be met by imported water as shown in Table 6-8. When possible, the City will utilize Wells D and the Desalter to their full allocations; however, as mentioned in the previous section, there are regular instances where the City will make up the remaining supply needed to meet demand with CMWD purchased water. Blending or treatment may be required in the future to fully utilize Well 3.
6.1.2.1 Basin Description
The City and the surrounding area rest on an alluvial deposit which is comprised of several aquifers interbedded with gravel, sand, and clay lenses. The City’s water service area lies almost entirely in the Pleasant Valley Basin, as shown in Figure 6-1, but there are also several separate groundwater basins in the area.
The Pleasant Valley Basin historically has been replenished by subsurface inflows from the Las Posas Basin. Subsurface inflow over the past several years has been affected by groundwater pumping in the region.
Most groundwater in the Pleasant Valley Basin occurs within three principal aquifers: the Older Alluvium, the Fox Canyon aquifer, and the Grimes Canyon aquifer. The Older Alluvium is described as being time-equivalent to the Upper Aquifer System in the adjacent Oxnard City of Camarillo Public Draft
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Subbasin, while the Fox Canyon and Grimes Canyon aquifers together comprise the Lower Aquifer System. The Pleasant Valley Basin also includes additional hydrostratigraphic units such as the semi-perched aquifer, the shallow alluvial aquifer, and the Upper San Pedro formation; however, these are not identified as principal aquifers. Groundwater occurs within these aquifer systems across the Basin, with the Fox Canyon and Grimes Canyon aquifers grouped together as part of the deeper Lower Aquifer System underlying the Older Alluvium (Dudek, 2024).
6.1.2.2 Groundwater Quality and Levels
In the 1990s the City began observing high Total Dissolved Solids (TDS) levels in the northern part of the Pleasant Valley Basin. During the same period, the northern part of the Pleasant Valley Basin experienced a rapid rise in groundwater levels, due to recharge of poor-quality water flowing into the basin from upstream via the Arroyo Las Posas (Steven Bachman, 2016).
Due to the high TDS concentrations in the City’s northern well field, the City has historically blended groundwater with imported water from CMWD. However, the continued rise in TDS concentrations in the northern part of the basin hindered the City’s ability to blend groundwater with imported water and still serve the product water within the TDS secondary Maximum Contaminant Level. As a result, the City implemented the Desalter to remove salts from the groundwater available from its northern well field (Wells A and B). That well field provides the source water for the Desalter.
The northern adjacent basins directly impact recharge rates, water quality, and water levels in the Pleasant Valley Basin Area (Steven Bachman, 2016).
6.1.2.3 Groundwater Recharge
Much of Pleasant Valley Basin’s recharge originates from the Las Posas Basin to the north by way of Arroyo Las Posas streamflow. In addition, Conejo Creek also flows into the Pleasant Valley Basin from the east and provides recharge to the basin. United Water Conservation District also delivers Santa Clara River water to the western Pleasant Valley Basin, southwest of the City, which likely reduces levels of groundwater pumping from that area in some years.
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Figure 6-1. Groundwater Basin Map
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6.1.2.4 Other Considerations
The FCGMA was initially created in 1982 to manage the groundwater in the portion of Ventura County where the Fox Canyon aquifer is present. The prime objectives and purposes of the FCGMA are to preserve groundwater resources for agricultural, municipal, and industrial uses in the best interest of the public and for the common benefit of all water users. In response to the 2014 Sustainable Groundwater Management Act, the FCGMA completed a groundwater sustainability plan (GSP) in December 2019. That is located here:
http://www.fcgma.org/component/phocadownload/category/85-pleasant-valley-basin-files.
FCGMA’s Allocation Ordinance, adopted on October 23, 2019, established a groundwater pumping allocation and tracking method for all groundwater users. The Allocation Ordinance applies to the City, and the City’s current FCGMA groundwater pumping allocation stands at 4,308 AFY. The Desalter has its own project-specific groundwater pumping allocation of 4,500 AFY as described in FCGMA Resolution 2016-04, which is expected to yield approximately 3,800 AFY of potable water supply. The combined anticipated drinking water supply from groundwater wells is 8,108 AFY and the rest of the City’s water supply will be met by imported water as shown in Table 6-8.
The Pleasant Valley Basin, and the adjacent Oxnard Subbasin, are currently in a groundwater adjudication process which may affect groundwater rights and basin management. In 2021, a group of landowners known as the OPV Coalition filed a lawsuit that challenges FCGMA’s 2019 Allocation Ordinance, both directly and by seeking to adjudicate the groundwater rights of all pumpers in the Pleasant Valley Basin and the Oxnard Subbasin. That adjudication remains pending in Santa Barbara County Superior Court and is not likely to be resolved for several years. That adjudication effectively calls into question, to at least some degree, all of FCGMA’s allocations under its 2019 ordinance, including those of the City. It is not currently possible to anticipate exactly what the results of the adjudication will be, including what groundwater pumping allocations or rights (if any) will result from it. FCGMA’s allocations to the City for both pumping that feeds its Desalter, and for other pumping, therefore is currently the best information available to the City to support this plan’s discussion of the City’s groundwater supplies.
6.1.3 Surface Water
The City does not utilize surface water sources other than the SWP water purchases discussed in Section 6.1.1.
6.1.4 Stormwater
The City does not utilize stormwater sources.
6.1.5 Wastewater and Recycled Water
The UWMP Act requires that the UWMP address the opportunities for development of recycled water including the description of existing recycled water applications, quantities of wastewater City of Camarillo Public Draft
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currently being treated to recycled water standards, limitations on the use of available recycled water, an estimate of projected recycled water use, the feasibility of projected uses, and practices to encourage the use of recycled water (RW).
6.1.5.1 Wastewater Collection, Treatment, and Disposal
The Camarillo Sanitary District (CSD) provides wastewater collection and treatment for the City’s water service area. CSD also treats wastewater for areas within the City’s boundary but outside the water service area and areas north of the City served by California American Water Company, Pleasant Valley Mutual Water Company, Crestview Mutual Water Company, and Pleasant Valley County Water District.
CSD treats the wastewater collected within its service area at the Camarillo Water Reclamation Plant (Camarillo WRP), which is located in the southeast portion of the City, adjacent to Conejo Creek. Camarillo WRP was initially designed with a capacity of 2.75 million gallons per day (MGD) but currently treats an average of 3.5 MGD or 3,900 AFY of wastewater and has a peak capacity of 7.25 MGD (Carollo, Inc., 2011). Tertiary treatment processes were added as a part of the Camarillo WRP’s most recent expansion in 2005.
CSD also maintains approximately 158 miles of underground sewer lines and four lift stations as a part of its wastewater collection system. The CSD currently recycles a large portion of its wastewater through production of RW used for agricultural irrigation of nearby farmlands and landscape irrigation in the vicinity of Camarillo WRP. RW not used for agricultural and landscape purposes is discharged into Conejo Creek.
Table 6-3 presents the estimated wastewater collected from within the City’s water service area.
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Table 6-3. DWR 6-2R Wastewater Collected within City of Camarillo Water Service Area in 2025
WASTEWATER COLLECTION RECIPIENT OF COLLECTED WASTEWATER
NAME OF WASTEWATER
COLLECTION AGENCY
WASTEWATER VOLUME
METERED OR ESTIMATED
WASTEWATER VOLUME
COLLECTED FROM UWMP
SERVICE AREA IN 2025
(AFY)
1 NAME OF WASTEWATER
AGENCY RECEIVING
COLLECTED
WASTEWATER
WASTEWATER
TREATMENT PLANT NAME
WASTEWATER
TREATMENT PLANT
LOCATED WITHIN UWMP
AREA
WASTEWATER
TREATMENT PLANT
OPERATION CONTRACTED
TO A THIRD PARTY
Camarillo Sanitary District Metered 3,730 Camarillo Sanitary District Water Reclamation Plant No No
1. This was estimated by multiplying a per person factor of 69.8 gallons per capita per day by the 2025 water service area population. The factor is taken from a technical memorandum written in 2024 for the Camarillo Sanitary District (Hazen, 2024). Specifically, the factor was the largest average factor from each of the years from 2018 to 2024. This is therefore a conservatively high estimate.
Table 6-4. DWR 6-3R Wastewater Treatment and Discharge within Service Area in 2025
WASTEWATER
TREATMENT PLANT
NAME
DISCHARGE
LOCATION NAME
OR IDENTIFIER
DISCHARGE
LOCATION
DESCRIPTION
WASTEWATER
DISCHARGE ID
NUMBER
METHOD OF
DISPOSAL
PLANT TREATS
WASTEWATER
GENERATED OUTSIDE
THE SERVICE AREA
TREATMENT
LEVEL
2025 VOLUMES
WASTEWATE
R TREATED
DISCHARGED
TREATED
WASTEWATER
RECYCLED
WITHIN
SERVICE AREA
RECYCLED
OUTSIDE OF
SERVICE
AREA
INSTREAM
FLOW
PERMIT
REQUIREME
NT
Water
Reclamation Plant
Conejo Creek Creek 4A560100001 Creek outfall Yes Tertiary 3,730 268 139 3,323 No
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6.1.5.2 Recycled Water System Description
CSD has served treated wastewater from its Camarillo WRP to RW users since the plant’s original construction in 1955. The City's recycled water system flowed an average of 3.2 MGD from 2020 through 2025 and serves various agricultural and city customers such as parks. RW is produced by the WRP, and 95 percent of all recycled water in aggregate is beneficially reused for irrigation, which reduces potable water and groundwater demand in the region.
Due to the difference in demand and supply schedules, current City RW customers are on a irrigation schedule, which partially limits usage. RW that cannot be distributed to the City’s users is sold to Camrosa Water District. Changes to the RW program will be explored as part of future analysis of the WRP Upgrades capital improvement project.
6.1.5.3 Potential, Current, and Projected Recycled Water Uses With the City’s current and projected RW availability, and without necessitating a supplemental water source to meet peak demand months, the City has connected most of the users identified in the 2014 RW Plan (AKM Conulting Engineers, 2014). Table 6-5 shows the City’s projected RW use within their service area. In late 2020, the City began delivering excess RW to the Camrosa Water District further reducing discharges to Conejo Creek. Table 6-6 compares the amount of RW used in 2025 compared to the projection from the 2020 UWMP.
Additional agricultural and industrial users have been identified and the City may have future supply availability to serve these customers. Future customers may include Daily Farms, Hiji Farms, and Rancho Rosal School (Water Systems Consulting Inc., 2024). It is assumed that recycled water could increase by 1 MGD, or 1,120 AFY, but not all users are located within the City’s water service area (Water Systems Consulting Inc., 2024).
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Table 6-5. DWR 6-4R Recycled Water Direct Beneficial Uses Within Service Area Name of Supplier Producing (Treating) the Recycled Water Name of Supplier Operating the Recycled Water Distribution System Supplemental Volume of Water Added in 2025
Source of 2025 Supplemental Water
Camarillo Sanitary District
City of Camarillo
0 N/A
BENEFICIAL USE TYPE POTENTIAL BENEFICAL USES OF
RECYCLED WATER
AMOUNT OF POTENTIAL USES
OF RECYCLED WATER
GENERAL DESCRIPTION OF 2025
USE
LEVEL OF TREATMENT 2025 2030 2035 2040 2045 2050
Agricultural irrigation
Landscape Irrigation (excludes golf courses) 144 155 155 155 155 155 Golf course irrigation
Commercial use
Industrial use
Geothermal and other energy production
Seawater intrusion barrier
Recreational impoundment
Wetlands or wildlife habitat
Groundwater recharge (IPR)1
Reservoir water augmentation (IPR)
Direct potable reuse
Other
TOTAL 144 155 155 155 155 155
1. IPR - Indirect Potable Reuse
* Volumes in this table represent total RW delivered within the water service area.
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Table 6-6. DWR 6-5R 2020 Recycled Water Use Projection Compared to 2025 Actual BENEFICIAL USE TYPE 2020 PROJECTION FOR
2025 (AFY) 2025 ACTUAL USE (AFY)
Agricultural Irrigation
Landscape Irrigation (excludes golf courses) 206 144
Golf Course Irrigation
Commercial Use
Industrial Use
Geothermal and Other Energy Production
Seawater Intrusion Barrier
Recreational Impoundment
Wetlands or Wildlife Habitat
Groundwater Recharge (IPR)
Reservoir Water Augmentation (IPR)
Direct Potable Reuse
Other – Transfer Opportunity
Total: 206 144
6.1.5.4 Actions to Exchange and Optimize Future Recycled Water Use CSD is evaluating potential improvements at its WRP that may include expansion of recycled water infrastructure. Concepts under consideration include additional recycled water storage, such as a storage reservoir, to support future recycled water use and operational flexibility. As of the date of this report, no final decisions have been made regarding the scope, design, or timing of any specific improvements.
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6.1.6 Desalinated Water
The CWC requires that the UWMP address the opportunities for development of desalinated water, including ocean water, brackish water, and groundwater.
6.1.6.1 Brackish Water and/or Groundwater Desalination
Currently, high TDS levels are found within the groundwater basin underlying the City’s water service area, primarily in the northern portion of the Pleasant Valley Basin. The City blends pumped groundwater with imported water to lower the TDS prior to introduction to the potable water system.
The City constructed the Desalter, which started operations in 2023, and treats TDS in the City’s groundwater, allowing for an increase in the City’s groundwater use and lowering the amount of imported water required for blending. The facility is located at the northeast boundary of the City in existing agricultural land acquired by the City and annexed. Brackish groundwater for the project is extracted using the City’s existing Wells A and B. A new standby well is expected to be constructed in the near future allowing Wells A and B to be taken down for maintenance while keeping full production. The facility is expected to yield approximately 3,800 AFY of potable water.
6.1.6.2 Seawater Desalination
Development of desalinated seawater is not being considered for the current planning period due to the availability of imported and groundwater supplies to meet the current and projected demand and the City’s prohibitive distance to the ocean, which makes it cost prohibitive to consider desalination as a viable water supply alternative.
6.1.7 Water Exchanges and Transfers
The City through coordination with CMWD and others is exploring water transfer or exchange opportunities. No decisions have been made, and evaluations of the feasibility have not been completed.
6.1.8 Future Water Projects
Recently, a parcel formerly used for agriculture was developed as part of private development.
As part of this process, the City acquired the well on the parcel and the FCGMA water allocation for this well. This well (Well F) is planned to produce water for the City in the near future.
Groundwater produced by this well will not require desalination, but may require treatment.
Expected supply increase from Well F is included in Table 6-7.
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Table 6-7. DWR 6-7R Expected Future Water Supply Projects or Programs
NAME OF
FUTURE
PROJECTS
OR
PROGRAMS
JOINT
PROJECT
WITH OTHER
SUPPLIERS
AGENCY
NAME
DESCRIPTION PLANNED
IMPLEMENTA
TION YEAR
PLANNED
FOR USE IN
YEAR TYPE
EXPECTED
INCREASE IN
WATER
SUPPLY TO
SUPPLIER
(AFY)
Well F No n/a Newly
acquired well
2030-2031 All Year
Types
1,500*
*Use of this supply will decrease use from other sources (i.e. imported water).
6.1.9 Summary of Existing and Planned Sources of Water The City’s planned operational supply strategy is to maximize use from the Desalter and from its groundwater allocations and to use imported water to meet the remaining demand deficit.
Planned production from the Desalter remains constant from now to 2050. Production of groundwater not requiring desalination is expected to increase once Well F becomes operational, around 2030 or 2031. Imported water purchases are anticipated to decrease correspondingly at the same time.
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Table 6-8. DWR 6-9R Projected Water Supplies
PROJECTED WATER SUPPLY (AFY)
2030 2035 2040 2045 2050
Water Supply Additional
Detail On
Water Supply
Reasonably
Available
Volume
Drinking Water
Entitlement
Reasonably
Available
Volume
Drinking Water
Entitlement
Reasonably
Available
Volume
Drinking Water
Entitlement
Reasonably
Available
Volume
Drinking Water
Entitlement
Reasonably
Available
Volume
Drinking Water
Entitlement
Desalinated Water – Groundwater Potable 3,800 3,800 3,800 3,8001 3,800 3,800 3,800 3,800 3,800 3,800 Groundwater (not desalinated) Potable 3,113 4,308 3,117 4,3082 3,113 4,308 3,200 4,308 3,200 4,308 Purchase or Imported Water Potable 251 251 251 2513 312 312 283 283 341 341 Total 7,164 8,359 7,168 8,359 7,225 8,420 7,283 8,391 7,341 8,449
1. “Drinking Water Entitlement” for the North Pleasant Valley Desalter is 4,500 AFY from FCGMA, and the 3,800 AFY is the nominal treated drinking water produced by the Desalter.
2. “Drinking Water Entitlement” for the Pleasant Valley Groundwater Basin is the FCMGA allocation and does not include any carryover or special allocations.
3. The City has no allocation or restrictions on imported water.
4. The City has current projects to utilize additional groundwater (not desalinated)
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6.2 Energy Intensity
On average, the City uses 520 kilowatt-hours (kWh) for every AF of water produced. Energy usage includes potable deliveries. A summary of energy used to extract and divert, place into storage, convey, treat, and distribute the City’s supplies for fiscal year 2023/24 is provided in Table 6-9.
Table 6-9. DWR O-1B Single Delivery Product Total Utility Approach Start Date for
Reporting
Period
End Date for
Reporting
Period
07/01/20
23 06/30/20
24 URBAN WATER SUPPLIER OPERATIONAL CONTROL
Sum Of All Water
Management
Practices
Non Consequential Hydropower
Total Utility Hydropower Net Utility
Total Volume of Water
Entering Process (AF)
4,889 N/A 4,889
Energy Consumed
(kWh)
2,543,925 N/A 2,543,925
Energy Intensity
(KwH/AF)
520 520
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7 Water Service Reliability and
Drought Risk Assessment
This section describes the City’s water service reliability through 2050. As required by the UWMP Act, the assessment must
compare total projected water supply and demands over the next 25 years in five -year increments under normal, single dry water years, and multiple dry water years. This section also includes the drought risk assessment (DRA), which provides a snapshot of the anticipated surplus or deficit if a drought were to occur in th e next five years.
IN THIS SECTION
• Water Service Reliability
Assessment
• Drought Risk Assessment
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7.1 Introduction
The supply reliability assessment discusses factors (i.e., climatic, environmental, water quality, and legal) that could potentially limit the expected quantity of water available from the City’s current and projected sources of supply through 2050. Multiple drought scenarios are considered and the quantitative impacts of the aforementioned factors on water supply and demand are discussed, as well as possible methods for addressing these issues.
Evaluating the water service reliability is critical for water management as it can help identify potential problems before these happen. Water managers can then take proactive steps to mitigate shortages by encouraging water use efficiency, securing new water supplies and/or investing in infrastructure.
7.2 Water Service Reliability Assessment
The City’s 2025 UWMP water service reliability assessment and DRA results indicate that no water shortages are anticipated within the next 25-years under normal, single dry water years, and multiple dry water years. The approach for the analysis and results are discussed in this section.
7.2.1 Service Reliability - Constraints on Water Sources The City has three main water supply sources: the Desalter, groundwater not requiring desalination, and imported water. The Desalter has its own project-specific allocation of 4,500 AFY, which is expected to yield 3,800 AFY of potable water supply. Water supply contributions from the Desalter are anticipated to remain steady through 2050.
Regarding groundwater not requiring desalination, one factor influencing supply reliability is the in-progress City well projects . Also, as described in Section 6, below average rainfall and declining groundwater levels led to an allocation of 4,308 AFY for the City’s existing wells, excluding the Desalter wells. Increases in imported water purchased from CMWD will make up any deficit since the water from CMWD is an unconstrained source. Purchase of imported water is expected to vary seasonally and will depend on changing regulations within the Pleasant Valley Basin and on future drought conditions.
CMWD utilizes imported and local water supplies. Imported water from CMWD, which is purchased from MWDSC, is affected by multiple factors. MWDSC’s supply is imported from the Colorado River and Bay-Delta through the CRA and the SWP; however, the City’s imported supply from MWDSC has historically been from the SWP due to its location in the MWDSC supply system.
Over the past five years, the most significant external factors affecting the City’s water supply reliability have been actions taken at the State level and structural constraints within the regional imported water system. State-imposed requirements to reduce water use, particularly for agencies dependent on SWP supplies, have resulted in mandatory reductions that were implemented through imported water wholesalers. In addition, limitations in regional conveyance City of Camarillo Public Draft
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and delivery infrastructure have historically constrained the ability to deliver imported water supplies equitably to Ventura County service areas relative to other regions served by MWDSC.
In response, MWDSC has begun evaluating and investing in long-term capital improvements intended to increase system flexibility and improve delivery reliability for Ventura County through future infrastructure enhancements.
The City’s supplies are affected by legal, environmental, water quality and climatic factors as described in CMWD’s 2025 UWMP as summarized below. Further description of supply constraints are provided in the following sections.
• A major earthquake could damage levees within the Delta, the California Aqueduct, and/or the CRA, interrupting water supply to the region for many months, if not years. • Environmental water demands are increasing, especially in the Delta, thus reducing the availability of water for other uses within California. • California, like much of the west, is susceptible to long periods of drought. • Recent studies indicate that Delta and Colorado River supplies will be even more variable than that of the historical record, further stressing California water supplies. (Water Systems Consulting, Inc., 2026)
Legal
Supply allocations from the CRA are dictated through legal agreements and, in some cases, court settlements. Supply from the SWP is affected by legal factors, including the Bay-Delta Accord, which changed the operating criteria of the SWP and can significantly reduce supply to MWDSC in dry years.
The Pleasant Valley Basin is currently in a groundwater adjudication process which may affect the yield of the basin in terms of groundwater pumping.
Environmental
Several species of fish located in the Bay-Delta have been listed as endangered, which has led to decreased pumping by the SWP and environmental litigation. This litigation and increasing environmental water demands may reduce the availability of water from CMWD.
Water Quality
Disinfection byproducts pose water quality issues for the SWP. Disinfection byproducts form when organic carbon and bromide in the source water react with disinfectants at the water treatment plant. Groundwater inflows into the SWP also pose arsenic concerns. TDS levels in the Ventura County groundwater are increasing due to discharges from local wastewater treatment facilities. Increased groundwater treatment may be required to utilize local groundwater supplies.
Groundwater quality has historically proven problematic for the City and has had adverse effects on its water supply. High levels of TDS and chloride have resulted in the City blending groundwater with imported water in order to achieve water quality standards. As mentioned in City of Camarillo Public Draft
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Section 6, the City constructed the Desalter for groundwater treatment and desalination of Pleasant Valley Basin water.
Climatic
Historically, SWP supplies met CMWD’s imported water needs, but drought and low snowpack have reduced allocations. In 2022, consecutive 5% allocations led MWDSC to implement emergency conservation measures, limiting outdoor watering in CMWD’s service area until early 2023 when rainfall improved conditions. SWP reliability is expected to decline and become more variable due to climate change (Water Systems Consulting, Inc., 2026).
MWDSC’s 2025 UWMP water reliability assessment anticipates reliable supplies in all year types. However, for more conservative planning, CMWD’s water reliability assessment incorporates the rapid onset of climate change impacts that are expected to increase the variability of future SWP supply, including increased frequency and duration of drought periods (Water Systems Consulting, Inc., 2026).
In years one through four of a five-year drought, CMWD projects sufficient supplies to meet demand. In the fifth consecutive drought year, CMWD supplies are projected to be insufficient to meet the projected unconstrained demand. Therefore, CMWD assumes a 15% reduction to match supply availability (Water Systems Consulting, Inc., 2026).
7.2.2 Service Reliability – Year Type Characterization
In accordance with CWC Section 10635(a), every urban water supplier must provide their expected water service reliability for a normal year, single dry year, and five consecutive dry years for 2030, 2035, 2040, 2045, and optionally 2050. DWR defines three year types that must be included in the water service reliability assessment.
DWR defines these years as:
• Normal Year: This condition represents a single year or an averaged range of years that most closely represents the average water supply available. DWR uses the terms average and normal interchangeably when addressing the water year type. • Single Dry Year: The single dry year is recommended to be the year that represents the lowest water supply available.
• Five-Consecutive Year Drought: The driest five-year historical sequence for the supplier, which may be the lowest average water supply available for five years in a row.
The supply reliability for the City is dependent upon the supply reliability of CMWD and the Pleasant Valley Basin. The CMWD 2025 UWMP describes that CMWD’s water supplies are sufficient to meet projected demands under a normal, single-dry year, and the first four years of a five consecutive year drought, but that supply would be reduced by 15 percent in the fifth year of a five consecutive year drought (Calleguas Municipal Water District, 2026) as shown in Table 7-1. For the purposes of the supply projection, it is assumed that the current groundwater City of Camarillo Public Draft
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allocations will remain constant through average, single-dry, and multiple dry years as shown in Table 7-2. Short-term supply constraints are discussed in detail in the WSCP.
Table 7-1. DWR 7-1R Basis for Water Year Data for CMWD (Reliability Assessment) YEAR TYPE BASE YEAR Available Supply If Year Type Repeats Volume Available
(AFY)*
Percent Of Average
Supply
Average Year 1922-2004 341 100
Single Dry Year 1977 341 100
Consecutive Dry Years 1st Year 1987 341 100
Consecutive Dry Years 2nd Year 1988-1992 341 100
Consecutive Dry Years 3rd Year 1988-1992 341 100
Consecutive Dry Years 4th Year 1988-1992 341 100
Consecutive Dry Years 5th Year 1988-1992 290 85
* “Calleguas projects sufficient supplies to meet expected demands in a normal, single-dry, and the first four years of a five-year consecutive drought. In year five, demand reductions of 15% using CMWD’s WSCP actions, are anticipated“ (Calleguas Municipal Water District, 2026). The City’s maximum projected supply needed from Section 6.1.9 (341 AFY) is included in this table as an example of supply availability in a given year.
Table 7-2. DWR 7-1R Basis For Water Year Data for the Pleasant Valley Basin (Reliability Assessment) YEAR TYPE BASE YEAR Available Supply If Year Type Repeats Volume Available
(AFY)
Percent Of Average
Supply
Average Year 2025 8,108 100
Single Dry Year 2025 8,108 100
Consecutive Dry Years 1st Year 2025 8,108 100
Consecutive Dry Years 2nd Year 2025 8,108 100
Consecutive Dry Years 3rd Year 2025 8,108 100
Consecutive Dry Years 4th Year 2025 8,108 100
Consecutive Dry Years 5th Year 2025 8,108 100
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7.2.3 Water Service Reliability – Supply and Demand Comparison Results of the water supply and demand analysis for normal, single dry, and five-year consecutive drought are shown in the following sections. The City expects to meet demands under all water year scenarios. However, the City is committed to continuing water conservation efforts to ensure reliability and resiliency in the future.
Rainfall records were used to determine recent average (2011), single-dry (2013), and five consecutive dry years (2013–2017) for estimating demand responses under these conditions.
7.2.3.1 Water Service Reliability – Normal Year
Normal year water service reliability is presented in Table 7-3.
Table 7-3. DWR 7-2R Normal Year Potable Water Supply and Demand Comparison, AFY 2030 2035 2040 2045 2050
Supply Totals (from Table 6-9R) 7,164 7,168 7,225 7,283 7,341 Demand Totals (from Table 4-2R) 7,164 7,168 7,225 7,283 7,341 Difference 0 0 0 0 0
7.2.3.2 Water Service Reliability – Single-Dry Year
Demand responses during a recent single-dry year in 2013 resulted in an 8.2% increase from an average year demand in 2011. Therefore, the projected single-dry year water demands through 2050 are assumed to increase by 8.2% under similar hydrologic conditions through 2050 as shown in Table 7-4 and are able to be met with the available supply.
Table 7-4. DWR 7-3R Single Dry Year Potable Water Supply and Demand Comparison, AFY 2030 2035 2040 2045 2050
Supply Totals 7,752 7,756 7,817 7,880 7,943
Demand Totals1 7,752 7,756 7,817 7,880 7,943
Difference 0 0 0 0 0
1. A single dry year is expected to have demands increased by 8.2% as compared to a normal year based on actual 2013 demand compared to actual 2011 demand.
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7.2.3.3 Water Service Reliability – Five Consecutive Dry Years Demand responses during a recent five consecutive dry years period from 2013–2017 resulted in an 8.2% increase from an average year demand in 2011 in the first dry year, 1.9% decrease in the second-dry year, 12.9% decrease in the third year, 18.0% decrease in the fourth year, and 15.1% decrease in the fifth year as shown in Table 7-5. Available supply can meet demand in all dry year conditions.
Table 7-5. DWR 7-4R Multiple Dry Years Potable Water Supply and Demand Comparison, AFY 2030 2035 2040 2045 2050
First Year Supply Totals 7,752 7,756 7,817 7,880 7,943 Demand Totals 7,752 7,756 7,817 7,880 7,943
Difference 0 0 0 0 0
Second Year Supply Totals 7,026 7,041 7,096 7,153 7,211 Demand Totals 7,026 7,041 7,096 7,153 7,211
Difference 0 0 0 0 0
Third Year Supply Totals 6,239 6,261 6,310 6,361 6,413 Demand Totals 6,239 6,261 6,310 6,361 6,413
Difference 0 0 0 0 0
Fourth Year Supply Totals 5,876 5,905 5,952 6,000 6,050 Demand Totals 5,876 5,905 5,952 6,000 6,050
Difference 0 0 0 0 0
Fifth Year Supply Totals 6,088 6,128 6,176 6,226 6,278 Demand Totals 6,088 6,128 6,176 6,226 6,278
Difference 0 0 0 0 0
Note: Five consecutive dry years demands are expected to change based on actual demands in five consecutive dry years of 2013–2017 compared to an average year of 2011 as follows: Year 1 (108.2%), Year 2 (98.1%), Year 3 (87.1%), Year 4 (82.0%), and Year 5 (84.9%). The fifth year of drought assumes a 15% reduction of CMWD supply per Table 7-1.
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7.2.4 Description of Management Tools and Options
The City’s sources of existing and planned potable water supply for the UWMP’s planning horizon (2025–2050) are groundwater and imported water. The City will maximize its groundwater supply by operating Wells F and D and the Desalter, reducing water losses, working with neighboring agencies and CMWD to coordinate response to shortages, continuing to utilize recycled water to offset potable demand, and continuing to implement demand management measures. Details on the City’s water loss efforts are provided in Section 4, supply plans are provided in Section 6, the response plan for short- and long-term shortages is provided in Section 8, and conservation programs are provided in Section 9. The City is committed to ensuring that safe and reliable water is provided to both current customers and future generations.
CMWD, MWDSC, and DWR are implementing several water supply strategies to ensure that sufficient supply is available in drought conditions. These strategies include investments in conservation, water recycling, transfer agreements, storage, and supply. Based on these investments, DWR, MWDSC, and CMWD anticipate that there will be sufficient supply available to meet forecasted purveyor demands in all year types except the fifth year of a five consecutive year drought, as described in the CMWD Draft 2025 UWMP (Calleguas Municipal Water District, 2026). It is expected that CMWD would be able to meet 85% of demand in the fifth year of a five consecutive year drought.
7.3 Drought Risk Assessment
CWC Section 10635 (b) requires a drought risk assessment (DRA). The DRA provides a quick snapshot of the anticipated surplus or deficit if a five-consecutive year drought were to occur in the next five years. The DRA can be modified or updated outside of the UWMP five-year plan cycle, so a description of the data, methodology, and basis for shortage conditions must be included in this 2025 UWMP. The DRA evaluates each water supply’s reliability and compares available water supplies and projected demands during a five-consecutive dry years scenario.
This short-term analysis can help water suppliers foresee undesired risks, such as upcoming shortages, and provide time to evaluate and implement the necessary response actions needed to mitigate shortages in a less impactful manner to the community and environment.
7.3.1 Data, Methods, and Basis for Water Shortage Condition The DRA builds on the water service reliability analysis from Section 7.2, which incorporated assessment of historical consumption data by customer class, populated from billing records, and historical supply data by source from production reports. Based on this data, historical demand has never exceeded available supply. For this DRA analysis, normal year demand conditions and five consecutive year drought supply conditions were considered for 2026-2030.
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7.3.2 DRA Individual Water Source Reliability
As described previously, the City does not anticipate any supply shortages within the next five years as shown in Table 7-6.
Table 7-6. DWR 7-5R Five-Year Drought Risk Assessment
2026 Total
Total Water Use: 7,647
Total Supplies: 7,647
Surplus/Shortfall w/o WSCP Action 0
2027 Total
Total Water Use: 6,690
Total Supplies: 6,690
Surplus/Shortfall w/o WSCP Action 0
2028 Total
Total Water Use: 5,726
Total Supplies: 5,726
Surplus/Shortfall w/o WSCP Action 0
2029 Total
Total Water Use: 5,191
Total Supplies: 5,191
Surplus/Shortfall w/o WSCP Action 0
2030 Total
Total Water Use: 6,086
Total Supplies: 6,086
Surplus/Shortfall w/o WSCP Action 0
DWR NOTES: Units of measure (AF, CCF, MG) must remain consistent throughout the UWMP as reported in Submittal Table 2-3.
Note: Total water use is calculated by applying five consecutive dry year factors (which are calculated by comparing actual potable use from 2013-2017 to 2011, as described in Section 7.2.3.3) to a linear interpolation between actual 2025 potable use and projected 2030 potable use. The fifth year of drought assumes a 15% reduction of CMWD supply per Table 7-1.
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8 Water Shortage Contingency Plan
This WSCP is a detailed plan for how the City intends to predict and respond to foreseeable and unforeseeable water
shortages or other conditions requir ing demand reduction . A water shortage occurs when the water supply is reduced to a level that cannot support typical demand at any given time or a reduction in demand is otherwise needed.
IN THIS SECTION
• Overview of WSCP Components
• Water Supply Reliability Analysis
• Annual Water Supply and Demand
Assessment
• Six Standard Water Shortage Levels
• Shortage Response Actions
• Communication Protocols
• Compliance, Enforcement, and
• Legal Authorities
• Financial Consequences
• Implementation
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8.1 Introduction
CWC Section 10632 requires that every urban water supplier shall prepare and adopt a WSCP as part of its UWMP. The City’s 2025 WSCP is included as Appendix E. The WSCP is used to provide guidance to the City, staff, and the public by identifying anticipated shortages and response actions to allow for efficient management of any water shortage with predictability and accountability.
8.2 Overview of WSCP Components
The CWC establishes several prescriptive elements that must be included in a retail water supplier’s WSCP. Each element and its location within the WSCP is described below.
Water Supply Reliability Analysis
Summarizes the City’s water supply analysis and reliability and identifies the key issues that may trigger a shortage condition.
Annual Water Supply and Demand Assessment Procedures
Describes the key data inputs, evaluation criteria, and methodology for assessing the system’s reliability for the coming year. It also identifies the steps to formally declare any water shortage levels and response actions.
Six Standard Shortage Levels
Establishes water shortage levels to clearly identify and prepare for shortages.
Shortage Response Actions
Describes the response actions that may be implemented or considered for each level to reduce gaps between supply and demand as well as minimize social and economic impacts to the community. The response actions identified for each water shortage level are illustrative and not exhaustive; they represent a menu of measures that may be implemented individually or in combination. Additional or modified actions may be implemented as necessary to protect public health, maintain water supply reliability, or comply with State or wholesale supplier directives.
Communication Protocols
Describes communication protocols under each level to ensure customers, the public, and local government agencies are informed of shortage conditions and requirements.
Compliance and Enforcement
Defines compliance and enforcement actions available to administer demand reductions.
Legal Authority
Lists the legal documents that grant the City the authority to declare a water shortage and implement and enforce response actions.
Financial Consequences of WSCP Implementation
Describes the anticipated financial impact of implementing water shortage levels and identifies mitigation strategies to offset financial burdens.
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Monitoring and Reporting
Summarizes the monitoring and reporting techniques to evaluate the effectiveness of shortage response actions and overall WSCP implementation. Results are used to determine if shortage response actions should be adjusted.
WSCP Refinement Procedures
Describes the factors that may trigger updates to the WSCP and outlines how to complete an update.
Special Water Features Distinctions
Defines considerations and definitions for water use for decorative features versus pools and spas.
Plan Adoption, Submittal, and Availability
Describes the WSCP adoption process, submittal, and availability after each revision.
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9 Demand Management Measures
This section describes the City ’s efforts to promote water use efficiency, reduce demand on water supply, and prepare for future requirements through implementation of Demand
Management Measures (DMMs) .
IN THIS SECTION
• Introduction
• Existing Demand Management
Measures
• Reporting Implementation
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9.1 Introduction
This section outlines the City of Camarillo’s water conservation efforts over the past five years, current initiatives, and future plans to meet CWOL Regulation water use efficiency targets.
There are seven required DMM categories summarized in Table 9-1.
The City’s conservation approach emphasizes not only program implementation and regulatory compliance, but also ongoing public education and outreach to promote water-efficient behaviors. By encouraging customers to incorporate conservation into their daily routines, the City supports long-term, sustainable reductions in water use.
Table 9-1. Demand Management Measures
Measure
1 Water waste prevention ordinances
2 Metering
3 Conservation pricing
4 Public education and outreach
5 Programs to assess and manage distribution system real loss 6 Water conservation program coordination and staffing
7 Other DMMs
9.2 Existing Demand Management Measures
Consistent with the requirements of CWC, this section describes the DMMs from Table 9-1 that have been implemented in the past five years and will continue to be implemented into the future in order to continue meeting the City’s water use efficiency goals and CWOL Regulation requirements.
9.2.1 Water Waste Prevention Ordinances
According to the Guidebook, a water waste ordinance explicitly states the waste of water is to be prohibited. The ordinance may prohibit specific actions that waste water, such as excessive runoff from landscape irrigation, or use of a hose outdoors without a shut off nozzle. Chapter
14.12 of the City’s Municipal Code lists the prohibited uses of water supplied by the City and defines water waste.
From July 2020 to June 2025, the City generated 228 Water Waste Reports (excluding duplicates). Between June 2022 and June 2025, the City sent ten first-violation letters and three second-violation letters. No third-violation letters were sent during this period.
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9.2.2 Metering
According to the Guidebook, an agency that is fully metered must state that fact in the UWMP. If an agency is not yet fully metered, it will discuss its plans for becoming fully metered in accordance with CWC 527. All water connections served by the City are currently metered.
9.2.3 Conservation Pricing
According to the Guidebook, retail water agencies need to describe the pricing structure that is used by the water agency. Conservation pricing is designed to discourage wasteful water habits and encourage conservation.
The City applies a three-tiered rate structure to residential customer classes, which account for almost 90% of the customer base. Rates based on volume of use encourage water conservation by customers. The City applies a uniform rate structure to the remaining customer classes: commercial, industrial, government, landscape, recycled water, construction, and agricultural.
Table 9-2 shows the tiered consumption rates for a residential meter with a unit defined as 100 cubic feet (HCF) (748 gallons) as of July 1, 2025.Table 9-3 shows the water rates for the other customer classes, while Table 9-4 shows the base fees per month based on the size of the meter.
Table 9-2. Residential Conservation Pricing Rate Structure UNITS RATE PER HCF*
1-9 HCF $3.30
10-15 HCF $4.89
>15 HCF $6.63
Table 9-3. CII Water Rates
CUSTOMER CLASS RATE PER HCF (UNIFORM)
Commercial/Industrial/Government $4.16
Landscape, Agricultural, Construction $7.35
Recycled Water (RW) $4.41
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Table 9-4. Base Fees for Meter Size
CUSTOMER CLASS RATE PER HCF (UNIFORM)
¾” $32.48
1” $43.33
1.5” $70.49
2” $103.07
3” $206.25
4” $358.30
6” $776.49
8” $1,319.56
Fire Hydrant $206.25
9.2.4 Public Education and Outreach
The City implements a comprehensive Public Education and Outreach program to promote water conservation and increase awareness of water use efficiency. Information is distributed through a variety of methods, including printed materials, social media, the City’s website, school-based programs, community events, and utility bill inserts. The City also maintains a regular newsletter that frequently includes water-related topics, conservation tips, and information on available rebates and incentives.
A key component of the City’s outreach efforts is its School Education Program, which provides students with water conservation education through classroom-based instruction and interactive learning opportunities. This includes participation in programs such as the EcoHero Education Program, as well as the distribution of educational materials to classes visiting City facilities.
The City also offers tours of the Desalter and the Desalter Learning Center, providing hands-on educational experiences for students, community groups, and residents of all ages. These tours highlight local water resources, treatment processes, and the importance of water conservation.
Between March 2023 and December 2025, the City conducted approximately 55 tours, reaching an estimated 930 participants.
In addition to school and facility-based education, the City conducts outreach through community events and public engagement activities. This includes participation in events such as Concerts in the Park and the Senior Expo, where conservation information and water-saving City of Camarillo Public Draft
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devices (e.g., showerheads and hose nozzles) are distributed. These efforts expand the City’s reach and reinforce conservation messaging across a broad audience.
Through these combined efforts, the City promotes water conservation as an everyday practice and supports long-term behavioral changes that contribute to sustained water use efficiency.
9.2.5 Programs to Assess and Manage Distribution System Real Losses A water audit is a process of accounting for water use throughout a water system in order to quantify unmetered water usage. Non‐revenue water is the difference between metered production and metered usage on a system‐wide basis.
Public water system statistics records from 2021–2025 show average non‐revenue water loss of approximately 5.3% of the City’s water production. This is on the low end of water loss typically experienced by most agencies in Southern California. For this reason the City does not provide a comprehensive system leak detection program. The City has been conscientious about locating and repairing main and service connection leaks when they occur. The City Municipal Code Chapter 14.12 prohibits leak durations of more than 72 hours. The City has completed the AWWA Water Audit spreadsheet each fiscal year since publication of the last UWMP and will continue to update the spreadsheet on an annual basis.
In Spring 2025, the City of Camarillo began undertaking an advanced metering infrastructure (AMI) project. One of the main goals of this project is to detect water leaks sooner. This AMI project entails real-time, two-way, wireless communication between individual water meters and the City’s system. This project includes a customer portal with water usage information.
9.2.6 Water Conservation Staffing and Program Administration The City administers water conservation and outreach functions through existing staff within the Public Works/Water Resources Division. The City’s Water Resources staff collectively supports conservation program implementation, regulatory compliance, and public outreach activities.
The City offers the Camarillo Landscape Efficiency Audit Retrofit (CLEAR) Program, which provides outdoor water use efficiency surveys for residential and commercial customers. These surveys evaluate irrigation performance, identify potential leaks, and identify opportunities to improve water use efficiency.
9.2.7 Other Demand Management Measures
The City is committed to implementing cost effective programs that will increase water efficiency City‐wide. Though not required, the City has implemented the following DMMs during the past five years and will continue implementing them into the future to increase the overall water efficiency of the City’s customers. The following is a brief description of each program.
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9.2.7.1 Indoor Water Conservation Retrofit Rebate Program The City implements an Indoor Water Conservation Retrofit Rebate Program to encourage customers to replace existing indoor fixtures and equipment with more water-efficient models, helping to reduce indoor water use over time.
The City offers rebates for eligible indoor water-saving devices, including high-efficiency toilets, washing machines, urinals, air-cooled ice machines, and other qualifying equipment. These incentives are available to residential, commercial, and institutional customers and are intended to promote long-term water use efficiency.
This program is implemented in coordination with regional and state water use efficiency efforts and supports compliance with applicable water conservation requirements. Participation levels may vary over time; however, the program remains an important component of the City’s overall water conservation strategy.
From 2021 to 2025, the City provided rebates for 60 toilet retrofits, 33 washing machines, one ice machine, and 148 hot water heaters. These rebates range between $250 (for washing machines and tank toilets) to $1,250 (for air-cooled ice machines). Details can be found here.
9.2.7.2 Instant Hot Water Recirculating Systems Program Traditional residential water heating systems that use storage tanks can result in water waste, as customers often run faucets while waiting for hot water to reach the tap. Instant hot water recirculation systems help reduce this waste by using a small pump and a temperature-sensitive valve to quickly deliver hot water and minimize unnecessary water waste. To support indoor water conservation, the City offers a program that provides eligible customers with instant hot water recirculation systems for installation, helping to reduce water waste associated with hot water use. From 2021 to 2025, 148 such systems were provided to customers.
9.2.7.3 School Education Program
Students are taught via schools’ EcoHero Education Programs, educational materials are provided to classes visiting City Hall, and tours of the Desalter are provided to local, County, and home-schooled students.
9.2.7.4 Landscaping Programs
The City is committed to encouraging water savings among its customers. As part of this effort, the City offers free outdoor surveys of customers’ landscape and irrigation systems through the Camarillo’s Landscape Efficiency Audit Retrofit (CLEAR) Program. From 2021 to 2025, 380 such surveys were conducted. These surveys evaluate irrigation performance, identify leaks, and determine opportunities for improved water efficiency. Since eliminating the previous customer fee, the program has expanded accessibility. Between 2021 and 2025, the City completed approximately 259 outdoor water use surveys.
Through the CLEAR Program, eligible customers may receive water-saving devices designed to improve irrigation efficiency. These devices include high-efficiency sprinkler nozzles, smart City of Camarillo Public Draft
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irrigation controllers, and drip irrigation components. Between 2021 and 2025, the City provided approximately 5,424 high-efficiency sprinkler nozzles, 553 irrigation controllers, and 10,443 drip irrigation components to participating customers. These improvements can significantly reduce outdoor water use while maintaining healthy landscapes.
Additionally, the City actively promotes drought-tolerant landscaping. Informational materials featuring recommended California-friendly and water-efficient plants are available at City Hall and on the City’s website. These resources include images and general guidance on landscape water and sunlight requirements. The City also participates in regional turf replacement programs, such as those offered through Metropolitan Water District of Southern California’s SoCal Water$mart program, which provides rebates for replacing turf with California Friendly® landscaping. Details can be found here.
9.2.7.5 Metropolitan Water District of Southern California Programs As discussed in Section 6, the City purchases water from MWDSC through CMWD. City water customers are therefore eligible for multiple MWDSC water conservation programs. This includes a turf rebate program and an efficiency survey program. A summary of devices distributed to City customers is shown in Table 9-5 and Table 9-6 shows turf rebates data for 2021 through 2025.
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Table 9-5. MWDSC Efficiency Devices 2021-2025
Device No. of
Rebates
Rebate
Total
Faucet Aerators 8 $35
Flow Monitor Device On Consumer Property $0
Flow Monitor Device On Utility Meter $0
High Efficiency Clothes Washers 127 $13,895
High Efficiency Toilets 141 $5,840
Hose Bib Irrigation Controller 0 $0
Weather-Based Irrigation Controllers and Add-Ons 0 0
Soil Moisture Sensor System 0 0
Ice-Making Machine 1 $1,000
Low-flow Showerheads 18 $238
Rain Barrel 34 $1,190
Rotating Nozzle 173 $451
Weather-Based Irrigation Controllers 75 $7,288
Weather-Based Irrigation Controllers with Landscape Logic 1 $840 Total 578 $30,777
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Table 9-6. MWDSC Turf Replacement 2021-2025
Year Total No. of
Rebates Paid
Total Rebate
Amount
Total Square
Feet Converted
Water Saved
(AFY)
2021 10 $28,526 14,263 1.9
2022 32 $280,557 121,816 15.8
2023 30 $177,551 58,584 7.6
2024 11 $197,308 70,442 9.2
2025 6 $38,246 10,492 1.4
Total 89 722,188 275,597 35.8
9.3 Reporting Implementation
9.3.1 Implementation over the Past Five Years
Table 9-7 summarizes the DMM implementation over the past five years. As discussed in Section 5, the City will be diligent in continuing use of the above described DMMs to continue conservation.
Table 9-7. DMM Implementation between 2021-2025
DMM ACTIVITIES 2021 2022 2023 2024 2025
1st Violation Citations 7 10 0 0 0
2nd Violation Citations 0 3 0 0 0
3rd Violation Citations 0 0 0 0 0
Camarillo’s Landscape Efficiency
Audit Retrofit Program Inspections
193 39 17 8
Nozzles 4,494 460 260 131
Smart Irrigation Controllers 158 28 16 1
Drip Irrigation (feet) 3,931 5,085 1,125 300
Toilet Rebate 27 18 5 4
Washing Machine Rebate 9 7 7 7
Ice Machine Rebate 1 0 0 0
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DMM ACTIVITIES 2021 2022 2023 2024 2025
Urinal Rebate 0 0 0 0
Instant Hot Water Pump 76 56 8 5
Public Outreach Events 3 3 2 2
Home Water Surveys 183 39 17 6 4
Business Water Surveys 8 1 0 1 0
High Consumption/Leak Investigation 47 54 12 5 23
Repair Leak Notice 3 1 4 0 4
Door Tags 1463 1048 119 13 2
9.3.2 Implementation to Achieve Water Use Targets
For decades, the City has valued and promoted conservation and will continue to do so. As a result, the City water use is below target objectives set by the State. Despite meeting the targets, the City is committed to maintaining and enhancing its conservation efforts to avoid substantial increase in demand over time
In addition to implementing existing conservation programs and exploring new opportunities, the City places a strong emphasis on public education and outreach. These efforts are designed to encourage customers to incorporate water-efficient practices into their daily routines, fostering long-term behavioral changes that support sustained water savings. By promoting conservation as an everyday habit, the City aims to reinforce a culture of efficient water use across the community.
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10 Plan Adoption, Submittal, and
Implementation
This section describes the completed steps taken to make the UWMP publicly available as well as adopt and submit the UWMP in accordance with the California Water Code.
IN THIS SECTION
• Completed Steps for UWMP and
WSCP
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10.1 Completed Steps for UWMP and WSCP
The 2025 UWMP and WSCP were made available for public review in June 2026, and a public hearing was held on June 24, 2026, at the City Council meeting to receive public input on the draft documents. Per Government Code 6066, the public hearing was noticed in the newspaper on June 6, 2026, and noticed again on June 13, 2026. Additionally, the City issued a notice to County of Ventura County more than 60 days prior to the public hearing. All notice documentation is included in Appendix C.
The City of Camarillo City Council adopted the Final 2025 UWMP and the WSCP at a public meeting on June 24, 2026. Additionally, the City issued a notice to County of Ventura more than 60 days prior to the public hearing. A copy of the resolution of adoption is included in Appendix D.
This UWMP was submitted to DWR through the WUEData portal before the deadline of July 1, 2026, and will be available to the public on the City’s website.
If City identifies the need to amend this UWMP or WSCP, it will follow the same procedures used previously for notification to cities, counties, and the public and for initial adoption.
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Friedman. (2018). Assembly Bill No. 1668. Water Management Planning. Retrieved from https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=201720180AB1668 Hazen. (2024). Camarillo Sanitary District Technical Memorandum No. 1 - Population, Flows, and Loads Evaulation.
Hertzberg. (2018). Senate Bill No. 606 Water Management Planning. Retrieved from https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=201720180SB606 Southern California Association of Governments. (2024). Connect SoCal 2024 Demographics & Growth Forecast Technical Report.
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Tetra Tech, County of Ventura, Ventura County Sheriff Emergency Services. (2022). Multi- Jurisdictional Hazard Mitigation Plan.
United States Census Bureau. (2024). QuickFacts Camarillo city, California. Retrieved from QuickFacts:
https://www.census.gov/quickfacts/fact/table/camarillocitycalifornia/PST045224 Water Systems Consulting Inc. (2024). Camarillo Sanitary District Final Recycled Water Planning Study.
Water Systems Consulting Inc. (June 2026). City of Camarillo 2025 Urban Water Management Plan.
Water Systems Consulting, Inc. (2026). Calleguas Municipal Water District 2025 Urban Water Management Plan.
City of Camarillo Demonstration of Reduced Data Reliance Public Draft
2025 Urban Water Management Plan- Draft | A
Appendix A Demonstration of Reduced
Data Reliance
A
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
2 Quantifying Regional Self-Reliance and
Reduced Reliance on Water Supplies from
the Delta
1. Background
Under the Sacramento-San Joaquin Delta (Delta) Reform Act of 2009, state and local public agencies proposing a covered action in the Delta, prior to initiating the implementation of that action, must prepare a written certification of consistency with detailed findings as to whether the covered action is consistent with applicable Delta Plan policies and submit that certification to the Delta Stewardship Council. Anyone may appeal a certification of consistency, and if the Delta Stewardship Council grants the appeal, the covered action may not be implemented until the agency proposing the covered action submits a revised certification of consistency, and either no appeal is filed, or the Delta Stewardship Council denies the subsequent appeal.
An urban water supplier that anticipates participating in or receiving water from a proposed covered action such as a multi-year water transfer, conveyance facility, or new diversion that involves transferring water through, exporting water from, or using water in the Delta should provide information in their Urban Water Management Plans (UWMPs) that can then be used in the covered action process to demonstrate consistency with Delta Plan Policy WR P1, Reduce Reliance on the Delta Through Improved Regional Water Self-Reliance (WR P1).
WR P1 details what is needed for a covered action to demonstrate consistency with reduced reliance on the Delta and improved regional self-reliance. WR P1 subsection (a) states that:
(a) Water shall not be exported from, transferred through, or used in the Delta if all the following apply:
(1) One or more water suppliers that would receive water as a result of the export, transfer, or use have failed to adequately contribute to reduced reliance on the Delta and improved regional self-reliance consistent with all of the requirements listed in paragraph (1) of subsection (c);
(2) That failure has significantly caused the need for the export, transfer, or use; and (3) The export, transfer, or use would have a significant adverse environmental impact in the Delta.
WR P1 subsection (c)(1) further defines what adequately contributing to reduced reliance on the Delta means in terms of (a)(1) above.
(c)(1) Water suppliers that have done all the following are contributing to reduced reliance on the Delta and improved regional self-reliance and are therefore consistent with this policy:
(A) Completed a current Urban or Agricultural Water Management Plan (Plan) which has been reviewed by the California Department of Water Resources for compliance with the applicable requirements of Water Code Division 6, Parts 2.55, 2.6, and 2.8; (B) Identified, evaluated, and commenced implementation, consistent with the implementation schedule set forth in the Plan, of all programs and projects included in the Plan that are locally cost effective and technically feasible which reduce reliance on the Delta; and
(C) Included in the Plan, commencing in 2015, the expected outcome for measurable reduction in Delta reliance and improvement in regional self-reliance. The expected Appendix A: Demonstration of Reduced Delta Reliance Appendix A
3 outcome for measurable reduction in Delta reliance and improvement in regional self- reliance shall be reported in the Plan as the reduction in the amount of water used, or in the percentage of water used, from the Delta watershed. For the purposes of reporting, water efficiency is considered a new source of water supply, consistent with Water Code section 1011(a).
The analysis and documentation provided below include all the elements described in WR P1(c)(1) that need to be included in a water supplier’s UWMP to support a certification of consistency for a future covered action.
2. Demonstration of Regional Self-Reliance
The methodology used to determine the City of Camarillo’s (City) improved regional self-reliance is consistent with the approach detailed in DWR’s UWMP Guidebook Appendix C (Guidebook Appendix C), including the use of narrative justifications for the accounting of supplies and the documentation of specific data sources. Some of the key assumptions underlying the City’s demonstration of reduced reliance include:
x All data were obtained from the current 2025 UWMP or previously adopted UWMPs and represent average or normal water year conditions.
x All analyses were conducted at the service area level, and all data reflect the total contributions of the City and its customers.
Baseline and Expected Outcomes
To calculate the expected outcomes for measurable reduction in Delta reliance and improved regional self-reliance, a baseline is needed to compare against. This analysis uses a normal water year representation of 2010 as the baseline, which is consistent with the approach described in the Guidebook Appendix C. Data for the 2010 baseline were taken from the City’s 2005 UWMP as UWMPs generally do not provide normal water year data for the year that they are adopted (i.e., 2005 UWMP forecasts begin in 2010, 2010 UWMP forecasts begin in 2015, and so on).
Consistent with the 2010 baseline data approach, the expected outcomes for reduced Delta reliance and improved regional self-reliance for 2015, 2020, and 2025 were taken from the City’s 2010, 2015, and 2020 UWMPs, respectively. Expected outcomes for 2030–2050 are from the current 2025 UWMP.
Documentation of the specific data sources and assumptions are included in the discussions below.
Service Area Demands without Water Use Efficiency
In alignment with the Guidebook Appendix C, this analysis uses normal water year demands, rather than normal water year supplies to calculate expected outcomes in terms of the percentage of water used. Normal water year demands serve as a proxy for the amount of supplies that would be used in a normal water year, which helps alleviate issues associated with how supply capability is presented to fulfill requirements of the UWMP Act versus how supplies might be accounted for to demonstrate consistency with WR P1.
Because WR P1 considers water use efficiency savings a source of water supply, water suppliers can calculate their embedded water use efficiency savings based on changes in forecasted per capita water use since the baseline. As explained in the Guidebook Appendix C, water use efficiency savings must be added back to the normal year demands to represent demands without water use efficiency savings accounted for; otherwise, the effect of water use efficiency savings on regional self-reliance would be overestimated. Table C-1 shows the results of this adjustment for the City. Supporting narratives and documentation for all the data shown in Table C-1 are provided below.
Service Area Demands with Water Use Efficiency
The service area demands shown in Table C-1 represent the total water demands for the City’s service area. The demand data shown in Table C-1 were collected from the following sources:
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
4 x Baseline (2010): City’s 2005 UWMP, Table 5.3-2
x 2015: City’s 2010 UWMP, Table 5.2
x 2020: City’s 2015 UWMP, Table 5-8
x 2025: City’s 2020 UWMP, Table 4-3
x 2030-2050: City’s 2025 UWMP, Table 4-4
Non-Potable Water Demands
The City currently provides recycled water for irrigation use throughout the service areas. The values shown for water recycling in Table C-1 reflect only what is recycled within the City’s water service area and were collected from the following sources:
x Baseline (2010): City’s 2005 UWMP, Table 9.2-2 Smith Ranch deliveries only x 2015: City’s 2010 UWMP, Table 4.4; use within City Service Area x 2020: City’s 2015 UWMP, Table 6- 7; use within City Service Area x 2025: City’s 2020 UWMP, 2020 UWMP, Table 6-5
x 2030-2050: City’s 2025 UWMP, Table 6-5
Potable Service Area Demands with Water Use Efficiency
The “Potable Service Area Demands with Water Use Efficiency” was calculated by subtracting the “Non-Potable Water Demands” from “Service Area Demands with Water Use Efficiency.” Service Area Population
The population data shown in Table C-1 were collected from the following sources:
x Baseline (2010): City’s 2010 UWMP, Figure 2.2
x 2015: City’s 2015 UWMP, Table 3-4
x 2020: City’s 2020 UWMP, Table 3-2
x 2025-2050: City’s 2025 UWMP, Table 3-2
Estimated Water Use Efficiency Since Baseline
The “Estimated Water Use Efficiency Since Baseline” was calculated by dividing the “Potable Service Area Demands with Water Use Efficiency” by the “Service Area Population” and then comparing with the 2010 Per Capita Water Use.
Service Area Water Demands without Water Use Efficiency In Table C-2, the “Service Area Demands with Water Use Efficiency” was added to the “Estimated Water Use Efficiency Since Baseline” to obtain the “Service Area Water Demands without Water Use Efficiency Accounted For.”
Supplies Contributing to Regional Self-Reliance
For a covered action to demonstrate consistency with the Delta Plan, WR P1 subsection (c)(1)(C) states that water suppliers must report the expected outcomes for measurable improvement in regional self-reliance. Table C-3 shows expected outcomes for supplies contributing to regional self-reliance both in the amount and as a percentage. The numbers shown in Table C-3 represent efforts to improve regional self-reliance for the City’s service area and include the total contributions of the City and its customers. Supporting narratives and documentation for all the data shown in Table C-3 are provided below.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
5 Water Use Efficiency
The water use efficiency information shown in Table C-3 is taken directly from Table C-2. The City has reduced the amount of water used to meet customer demands and continues to promote water conservation and limit water waste.
Water Recycling
The City currently provides recycled water for irrigation use throughout the service areas. The values shown for water recycling is taken directly from Table C-1 and reflect only what is recycled within the City’s water service area.
Advanced Water Technologies
The City constructed North Pleasant Valley Desalter Facility, which started operations in 2023, to treat high salinity groundwater to increase in the City’s groundwater use and lower the amount of imported water required for blending. The advanced water technologies data shown in Table C-3 include supply from the Desalter Facility, and were collected from the following sources:
x 2025: City’s 2020 UWMP, Table 6-9, Desalinated Water- Groundwater x 2030-2050: City’s 2025 UWMP, Table 6-8, Desalinated Water- Groundwater Local and Regional Water Supply and Storage Projects
The City also utilizes local groundwater supply to reduce reliance on imported water. The values shown for Local and Regional Water Supply and Storage Projects in Table C-3 reflect local groundwater supplies only and were collected from the following sources:
x Baseline (2010): City’s 2005 UWMP, Tabl e 3.2-1 Local Production of Groundwater x 2015: City’s 2010 UWMP, Table 3.1 Groundwater supply
x 2020: City’s 2015 UWMP, Table 6-1 Pleasant Valley Basin Supply x 2025: City’s 2020 UWMP, 2020 UWMP, Table 6-9 Groundwater (not desalinated) x 2030-2050: City’s 2025 UWMP, Table 6-8 Groundwater (not desalinated)
3. Reliance on Water Supplies from the Delta Watershed
Metropolitan Water District of Southern California’s (Metropolitan) service area, as a whole, reduces reliance on the Delta through investments in non-Delta water supplies, local water supplies, and regional and local demand management measures. Consistent with Metropolitan’s 2025 Urban Water Management Plan (UWMP), reduced reliance on supplies from the Delta watershed is evaluated at the regional level through changes in regional self-reliance and total reliance on Delta supplies.
Metropolitan’s member agencies coordinate reliance on the Delta through their membership in Metropolitan, a regional cooperative providing wholesale water service to its 26 member agencies.
Accordingly, regional reliance on the Delta can only be measured regionally—not by individual Metropolitan member agencies and not by the customers of those member agencies.
Metropolitan’s member agencies, and those agencies’ customers, indirectly reduce reliance on the Delta through their collective efforts as a cooperative. Metropolitan’s member agencies do not control the amount of Delta water they receive from Metropolitan. Metropolitan manages a statewide integrated conveyance system consisting of its participation in the State Water Project (SWP), its Colorado River Aqueduct (CRA) including Colorado River water resources, programs and water exchanges, and its regional storage portfolio. Along with the SWP, CRA, storage programs, and Metropolitan’s conveyance and distribution facilities, demand management programs increase the future reliability of water resources for the region. In addition, demand management programs provide system-wide benefits by decreasing the demand for imported water, which helps to decrease the burden on the district’s infrastructure and reduce system costs, and free up conveyance capacity to the benefit of all member agencies.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
6 Metropolitan’s costs are funded almost entirely from its service area, with the exception of grants and other assistance from government programs. Most of Metropolitan’s revenues are collected directly from its member agencies. Properties within Metropolitan’s service area pay a property tax that provided approximately 15 percent of the fiscal year 2024 annual budgeted revenues. The rest of Metropolitan’s costs are funded through rates and charges paid by Metropolitan’s member agencies for the wholesale services it provides to them.1 Thus, Metropolitan’s member agencies fund nearly all operations Metropolitan undertakes to reduce reliance on the Delta, including Colorado River Programs, storage facilities, Local Resources Programs and conservation programs within Metropolitan’s service area.
Because of the integrated nature of Metropolitan’s systems and operations, and the collective nature of Metropolitan’s regional efforts, it is infeasible to quantify each of Metropolitan’s member agencies’ individual reliance on the Delta. It is infeasible to attempt to segregate an entity and a system that were designed to work as an integrated regional cooperative.
In addition to the member agencies funding Metropolitan’s regional efforts, they also invest in their own local programs to reduce their reliance on any imported water. Moreover, the customers of those member agencies may also invest in their own local programs to reduce water demand. However, to the extent those efforts result in reduction of demands on Metropolitan, that reduction does not equate to a like reduction of reliance on the Delta. Demands on Metropolitan are not commensurate with demands on the Delta because most of Metropolitan’s member agencies receive blended resources from Metropolitan as determined by Metropolitan—not the individual member agency—and for most member agencies, the blend varies from month-to-month and year-to-year due to hydrology, operational constraints, use of storage and other factors.
Colorado River Programs
As a regional cooperative of member agencies, Metropolitan invests in programs to ensure the continued reliability and sustainability of Colorado River supplies. Metropolitan was established to obtain an allotment of Colorado River water, and its first mission was to construct and operate the CRA.
The CRA consists of five pumping plants, 450 miles of high voltage power lines, one electric substation, four regulating reservoirs, and 242 miles of aqueducts, siphons, canals, conduits and pipelines terminating at Lake Mathews in Riverside County. Metropolitan owns, operates, and manages the CRA.
Metropolitan is responsible for operating, maintaining, rehabilitating, and repairing the CRA, and is responsible for obtaining and scheduling energy resources adequate to power pumps at the CRA’s five pumping stations.
Colorado River supplies include Metropolitan’s basic Colorado River apportionment, along with supplies that result from existing and committed programs, including supplies from the Imperial Irrigation District (IID)-Metropolitan Conservation Program, the implementation of the Quantification Settlement Agreement (QSA) and related agreements, and the exchange agreement with San Diego County Water Authority (SDCWA). The QSA established the baseline water use for each of the agreement parties and facilitates the transfer of water from agricultural agencies to urban uses. Since the QSA, additional programs have been implemented to increase Metropolitan’s CRA supplies. These programs have continued to evolve in response to ongoing drought conditions in the Colorado River Basin and associated shortage and contingency actions. These include the PVID Land Management, Crop Rotation, and Water Supply Program, as well as the Lower Colorado River Water Supply Project. The 2007 Interim Guidelines provided for the coordinated operation of Lake Powell and Lake Mead, as well
1 A standby charge is collected from properties within the service areas of 22 of Metropolitan’s 26 member agencies, ranging from $5 to $15 per acre annually, or per parcel if smaller than an acre. Standb y charges go towards those member agencies’ obligations to Metropolitan for the Readiness-to-Serve Charge. Standby charge s represented approximately 2 percent of Metropolitan’s total revenues in Fiscal Year 2025/26. See Metropolitan Water District of Southern California, Water Standby Charge for Fiscal Year 2025/26, Board Materials (as presented May 13, 2025 and incorporated in subsequent budget materials, including November 2025 revision), and Metropolitan Water District of Southern California, Water Revenue Bond s Official Statement, Appendix A – “The Metropolitan Water District of Southern California.”
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
7 as the Intentionally Created Surplus (ICS) program that allows Metropolitan to store water in Lake Mead.
Storage Investments/Facilities
Surface and groundwater storage are critical elements of Southern California’s water resources strategy and help Metropolitan reduce its reliance on the Delta. Because California experiences dramatic swings in weather and hydrology, storage is important to regulate those swings and mitigate possible supply shortages. Surface and groundwater storage provide a means of storing water during normal and wet years for later use during dry years, when imported supplies are limited. The Metropolitan system, for purposes of meeting demands during times of shortage, regulating system flows, and ensuring system reliability in the event of a system outage, provides over 1,000,000 acre- feet of system storage capacity. Diamond Valley Lake provides 810,000 acre-feet of that storage capacity, effectively doubling Southern California’s previous surface water storage capacity. Other existing imported water storage available to the region consists of Metropolitan’s raw water reservoirs, a share of the SWP’s raw water reservoirs in and near the service area, and the portion of the groundwater basins used for conjunctive-use storage.
Since the early twentieth century, DWR and Metropolitan have constructed surface water reservoirs to meet emergency, drought/seasonal, and regulatory water needs for Southern California. These reservoirs include Pyramid Lake, Castaic Lake, Elderberry Forebay, Silverwood Lake, Lake Perris, Lake Skinner, Lake Mathews, Live Oak Reservoir, Garvey Reservoir, Palos Verdes Reservoir, Orange County Reservoir, and Metropolitan’s Diamond Valley Lake (DVL).
Metropolitan’s Live Oak and Garvey Reservoirs serve exclusively as regulating facilities and have a combined capacity of approximately 4,100 AF. The remaining reservoirs are primarily used to meet emergency, drought, and seasonal demands, with a total gross storage capacity of 1,760,200 AF.
However, not all of this capacity is available to Metropolitan; accounting for dead storage and volumes allocated to other entities, Metropolitan’s effective storage capacity is approximately 1,665,200 AF.
Conjunctive use of the aquifers offers another important source of dry year supplies. Unused storage in Southern California groundwater basins can be used to optimize imported water supplies, and the development of groundwater storage projects allows effective management and regulation of the region’s major imported supplies from the Colorado River and SWP. Over the years, Metropolitan has implemented conjunctive use through various programs in the service area; the table below lists the groundwater conjunctive use programs active in the region.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
8 Metropolitan Demand Management Programs
Demand management costs are Metropolitan’s expenditures for funding local water resource development programs and water conservation programs. These Demand Management Programs incentivize the development of local water supplies and the conservation of water to reduce the need to import water to deliver to Metropolitan’s member agencies. These programs are implemented below the delivery points between Metropolitan’s and its member agencies’ distribution systems and, as such, do not add any water to Metropolitan’s supplies. Rather, the effect of these downstream programs is to produce a local supply of water for the local agencies and to reduce demands by member agencies for water imported through Metropolitan’s system. The following discussions outline how Metropolitan funds local resources and conservation programs for the benefit of all of its member agencies and the entire Metropolitan service area. Notably, the history of demand management by Metropolitan’s member agencies and the local agencies that purchase water from Metropolitan’s members has spanned more than four decades. The significant history of the programs is another reason it would be difficult to attempt to assign a portion of such funding to any one individual member agency.
Local Resources Programs
In 1982, Metropolitan began providing financial incentives to its member agencies to develop new local supplies to assist in meeting the region’s water needs. Because of Metropolitan’s regional distribution system, these programs benefit all member agencies regardless of project location because they help to increase regional water supply reliability, reduce demands for imported water supplies, decrease the burden on Metropolitan’s infrastructure, reduce system costs, and free up conveyance capacity to the benefit of all the agencies that rely on water from Metropolitan.
For example, the Groundwater Replenishment System (GWRS) operated by the Orange County Water District is the world’s largest water purification system for indirect potable reuse. It was funded, in part, by Metropolitan’s member agencies through the Local Resources Program. Annually, the GWRS produces approximately 130,000 acre-feet of reliable, locally controlled, drought-proof supply of high- quality water to recharge the Orange County Groundwater Basin and protect it from seawater intrusion.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
9 The GWRS is a premier example of a regional project that significantly reduced the need to utilize imported water for groundwater replenishment in Metropolitan’s service area, increasing regional and local supply reliability and reducing the region’s reliance on imported supplies, including supplies from the State Water Project.
Metropolitan’s local resource programs have evolved through the years to better assist Metropolitan’s member agencies in increasing local supply production. The following is a description and history of the local supply incentive programs.
Local Projects Program
In 1982, Metropolitan initiated the Local Projects Program (LPP), which provided funding to member agencies to facilitate the development of recycled water projects. Under this approach, Metropolitan contributed a negotiated up-front funding amount to help finance project capital costs. Participating member agencies were obligated to reimburse Metropolitan over time. In 1986, the LPP was revised, changing the up-front funding approach to an incentive-based approach. Metropolitan contributed an amount equal to the avoided State Water Project pumping costs for each acre-foot of recycled water delivered to end-use consumers. This funding incentive was based on the premise that local projects resulted in the reduction of water imported from the Delta and the associated pumping cost. The incentive amount varied from year to year depending on the actual variable power cost paid for State Water Project imports. In 1990, Metropolitan’s Board increased the LPP contribution to a fixed rate of $154 per acre-foot, which was calculated based on Metropolitan’s avoided capital and operational costs to convey, treat, and distribute water, and included considerations of reliability and service area demands.
Groundwater Recovery Program
The drought of the early 1990s sparked the need to develop additional local water resources, aside from recycled water, to meet regional demand and increase regional water supply reliability. In 1991, Metropolitan conducted the Brackish Groundwater Reclamation Study which determined that large amounts of degraded groundwater in the region were not being utilized. Subsequently, the Groundwater Recovery Program (GRP) was established to assist the recovery of otherwise unusable groundwater degraded by minerals and other contaminants, provide access to the storage assets of the degraded groundwater, and maintain the quality of groundwater resources by reducing the spread of degraded plumes.
Local Resources Program
In 1995, Metropolitan’s Board adopted the Local Resources Program (LRP), which combined the LPP and GRP into one program. The Board allowed for existing LPP agreements with a fixed incentive rate to convert to the sliding scale up to $250 per acre-foot, similar to GRP incentive terms. Those agreements that were converted to LRP are known as “LRP Conversions.” Competitive Local Projects Program
In 1998, the Competitive Local Resources Program (Competitive Program) was established. The Competitive Program encouraged the development of recycled water and recovered groundwater through a process that emphasized cost-efficiency to Metropolitan, timing new production according to regional need while minimizing program administration cost. Under the Competitive Program, agencies requested an incentive rate up to $250 per acre-foot of production over 25 years under a Request for Proposals (RFP) for the development of up to 53,000 acre-feet per year of new water recycling and groundwater recovery projects. In 2003, a second RFP was issued for the development of an additional 65,000 acre-feet of new recycled water and recovered groundwater projects through the LRP.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
10 Seawater Desalination Program
Metropolitan established the Seawater Desalination Program (SDP) in 2001 to provide financial incentives to member agencies for the development of seawater desalination projects. In 2014, seawater desalination projects became eligible for funding under the LRP, and the SDP was ended. 2007 Local Resources Program
In 2006, a task force comprised of member agency representatives was formed to identify and recommend program improvements to the LRP. As a result of the task force process, the 2007 LRP was established with a goal of 174,000 acre-feet per year of additional local water resource development. The new program allowed for an open application process and eliminated the previous competitive process. This program offered sliding scale incentives of up to $250 per acre-foot, calculated annually based on a member agency’s actual local resource project costs exceeding Metropolitan’s prevailing water rate.
2014 Local Resources Program
A series of workgroup meetings with member agencies was held to identify the reasons why there was a lack of new LRP applications coming into the program. The main constraint identified by the member agencies was that the $250 per acre-foot was not providing enough of an incentive for developing new projects due to higher construction costs to meet water quality requirements and to develop the infrastructure to reach end-use consumers located further from treatment plants. As a result, in 2014, the Board authorized an increase in the maximum incentive amount, provided alternative payment structures, included onsite retrofit costs and reimbursable services as part of the LRP, and added eligibility for seawater desalination projects. The current LRP incentive payment options are structured as follows:
x Option 1 – Sliding scale incentive up to $340/AF for a 25-year agreement term x Option 2 – Sliding scale incentive up to $475/AF for a 15-year agreement term x Option 3 – Fixed incentive up to $305/AF for a 25-year agreement term
On-site Retrofit Programs
In 2014, Metropolitan’s Board also approved the On-site Retrofit Pilot Program which provided financial incentives to public or private entities toward the cost of small-scale improvements to their existing irrigation and industrial systems to allow connection to existing recycled water pipelines. The On-site Retrofit Pilot Program helped reduce recycled water retrofit costs to the end-use consumer which is a key constraint that limited recycled water LRP projects from reaching full production capacity. The program incentive was equal to the actual eligible costs of the on-site retrofit, or $975 per acre-foot of up-front cost, which equates to $195 per acre-foot for an estimated five years of water savings ($195/AF x 5 years) multiplied by the average annual water use in previous three years, whichever is less. The Pilot Program lasted two years and was successful in meeting its goal of accelerating the use of recycled water.
In 2016, Metropolitan’s Board authorized a permanent On-site Retrofit Program (ORP). This program encompassed lessons learned from the Pilot Program and feedback from member agencies to make the program more streamlined and improve its efficiency. With an annual budget of $3 million, as of fiscal year 2024/25 the program has funded 550 sites, replacing 15,360 acre-feet of potable water with recycled water per year.
Stormwater Pilot Programs
In 2019, Metropolitan’s Board authorized both the Stormwater for Direct Use Pilot Program and a Stormwater for Recharge Pilot Program to study the feasibility of reusing stormwater to help meet regional demands in Southern California. These pilot programs are intended to encourage the Appendix A: Demonstration of Reduced Delta Reliance Appendix A
11 development, monitoring, and study of new and existing stormwater projects by providing financial incentives for their construction/retrofit and monitoring/reporting costs. These pilot programs will help evaluate the potential benefits delivered by stormwater capture projects and provide a basis for potential future funding approaches. Metropolitan’s Board authorized a total of $12.5 million for the stormwater pilot programs ($5 million for the District Use Pilot and $7.5 million for the Recharge Pilot).
Current Status and Results of Metropolitan’s Local Resource Programs Today, nearly one-half of the total recycled water and groundwater recovery production in the region has been developed with an incentive from one or more of Metropolitan’s local resource programs.
During fiscal year 2025, Metropolitan provided about $5 million for production of 40,000 acre-feet of recycled water for non-potable and indirect potable uses. Metropolitan provided about $8 million to support projects that produced about 53,000 acre-feet of recovered groundwater for municipal use.
Since 1982, Metropolitan has invested $771 million to fund 90 recycled water projects and 28 groundwater recovery projects that have produced a cumulative total of about 4.6 million acre-feet.
Conservation Programs
Metropolitan’s regional conservation programs and approaches have a long history. Decades ago, Metropolitan recognized that demand management at the consumer level would be an important part of balancing regional supplies and demands. Water conservation efforts were seen as a way to reduce the need for imported supplies and offset the need to transport or store additional water into or within the Metropolitan service area. The actual conservation of water takes place at the retail consumer level.
Regional conservation approaches have proven to be effective at reaching retail consumers throughout Metropolitan’s service area and successfully implementing water saving devices, programs and practices. Through the pooling of funding by Metropolitan’s member agencies, Metropolitan is able to engage in regional campaigns with wide-reaching impact. Regional investments in demand management programs, of which conservation is a key part along with local supply programs, benefit all member agencies regardless of project location. These programs help to increase regional water supply reliability, reduce demands for imported water supplies, decrease the burden on Metropolitan’s infrastructure, reduce system costs, and free up conveyance capacity to the benefit of all member agencies.
Incentive-Based Conservation Programs
Conservation Credits Program
In 1988, Metropolitan’s Board approved the Water Conservation Credits Program (Credits Program).
The Credits Program is similar in concept to the Local Projects Program (LPP). The purpose of the Credits Program is to encourage local water agencies to implement effective water conservation projects through the use of financial incentives. The Credits Program provides financial assistance for water conservation projects that reduce demands on Metropolitan’s imported water supplies and require Metropolitan’s assistance to be financially feasible.
Initially, the Credits Program provided 50 percent of a member agency’s program cost, up to a maximum of $75 per acre-foot of estimated water savings. The $75 Base Conservation Rate was established based Metropolitan’s avoided cost of pumping SWP supplies. The Base Conservation Rate has been revisited by Metropolitan’s Board and revised twice since 1988, from $75 to $154 per acre- foot in 1990 and from $154 to $195 per acre-foot in 2005.
Metropolitan’s Credits Program investment in fiscal year 2025 was $22 million.
Member Agency Administered Program
Some member agencies also have unique programs within their service areas that provide local rebates that may differ from Metropolitan’s regional program. Metropolitan continues to support these local efforts through a member agency administered funding program that adheres to the same funding Appendix A: Demonstration of Reduced Delta Reliance Appendix A
12 guidelines as the Credits Program. The Member Agency Administered Program allows member agencies to receive funding for local conservation efforts that supplement, but do not duplicate, the rebates offered through Metropolitan’s regional rebate program.
Water Savings Incentive Program
There are numerous commercial entities and industries within Metropolitan’s service area that pursue unique savings opportunities that do not fall within the general rebate programs that Metropolitan provides. In 2012, Metropolitan designed the Water Savings Incentive Program (WSIP) to target these unique commercial and industrial projects. In addition to rebates for devices, under this program, Metropolitan provides financial incentives to businesses and industries that created their own custom water efficiency projects. Qualifying custom projects can receive funding for permanent water efficiency changes that result in reduced potable demand.
Non-Incentive Conservation Programs
In addition to its incentive-based conservation programs, Metropolitan also undertakes additional efforts throughout its service area that help achieve water savings without the use of rebates. Metropolitan’s non-incentive conservation efforts include:
x residential and professional water efficient landscape training classes x water audits for large landscapes
x research, development and studies of new water saving technologies x advertising and outreach campaigns
x community outreach and education programs
x advocacy for legislation, c odes, and standards that lead to increased water savings Current Status and Results of Metropolitan’s Conservation Programs Since 1990, Metropolitan has invested $976 million in conservation rebates that have resulted in a cumulative savings of 4.32 million acre-feet of water as of fiscal year 2025. These investments include $414 million in turf removal which resulted in 175 million square feet of lawn turf removed. During fiscal year 2025, 1.12 million acre-feet of water is estimated to have been conserved. This annual total includes Metropolitan’s Conservation Credits Program; code-based conservation achieved through Metropolitan-sponsored legislation; building plumbing codes and ordinances; reduced consumption resulting from changes in water pricing; and pre-1990 device retrofits.
Infeasibility of Accounting Regional Investments in Reduced Reliance Below the Regional Level
The accounting of regional investments that contribute to reduced reliance on supplies from the Delta watershed is straightforward to calculate and report at the regional aggregate level. However, any similar accounting is infeasible for the individual member agencies or their customers. As described above, the region (through Metropolitan) makes significant investments in projects, programs and other resources that reduce reliance on the Delta. In fact, all of Metropolitan’s investments in Colorado River supplies, groundwater and surface storage, local resources development and demand management measures that reduce reliance on the Delta are collectively funded by revenues generated from the member agencies through rates and charges.
Metropolitan’s revenues cannot be matched to the demands or supply production history of an individual agency, or consistently across the agencies within the service area. Each project or program funded by the region has a different online date, useful life, incentive rate and structure, and production schedule. It is infeasible to account for all these things over the life of each project or program and provide a nexus to each member agency’s contributions to Metropolitan’s revenue stream over time.
Accounting at the regional level allows for the incorporation of the local supplies and water use efficiency programs done by member agencies and their customers through both the regional programs Appendix A: Demonstration of Reduced Delta Reliance Appendix A
13 and through their own specific local programs. As shown above, despite the infeasibility of accounting reduced Delta reliance below the regional level, Metropolitan’s member agencies and their customers have together made substantial contributions to the region’s reduced reliance.
Metropolitan References
https://mwdh2o.legistar.com/View.ashx?M=F&ID=14909541&GUID=74F23E74-C89B-4C8D-ACA8- 764CBA3DFA63
https://www-admin.mwdh2o.com/media/soibemtf/2026-annual-achievement-report.pdf https://d1q0afiq12ywwq.cloudfront.net/media/5ralzxit/public-review-draft-february-2026-uwmp.pdf https://mwdh2o.legistar.com/View.ashx?M=F&ID=10371591&GUID=1A060A60-2A18-4EA1-BB1B- 3624C07C4C61
4. Summary of Expected Outcomes for Reduced Reliance on the Delta As stated in WR P1(c)(1)(C), the policy requires that UWMPs include expected outcomes for measurable reduction in Delta reliance and improved regional self- reliance, commencing in 2015. WR P1 further states that those outcomes shall be reported in the UWMP as the reduction in the amount of water used, or in the percentage of water used, from the Delta.
The expected outcomes for the City’s Delta reliance and regional self-reliance were developed using the approach and guidance described in Guidebook Appendix C.
Regional Self-Reliance
The data used to demonstrate increased regional self-reliance in this analysis represent the total regional efforts of the City and its customers and was developed in conjunction with CMWD and Metropolitan as part of the UWMP coordination process.
The following provides a summary of the near-term (2030) and long-term (2050) expected outcomes for the City’s regional self-reliance.
x Near-term (2030) – Normal water year regional se lf-reliance is expected to increase by about 5,300 AFY from the 2010 baseline; this represen ts an increase of about 48% of 2030 normal water year retail demands (Table C-3).
x Long-term (2050) – Normal water year regional self -reliance is expected to increase by nearly 4,700 AFY from the 2010 baseline, this represent s an increase of about 47% of 2050 normal water year retail demands (Table C-3).
The results show that through sustained water conservation efforts, the City is reducing reliance on the Delta and improving regional self-reliance.
Reduced Reliance on Supplies from the Delta Watershed
For reduced reliance on supplies from the Delta Watershed, the data used in this analysis represent the total regional efforts of Metropolitan, CMWD, and their member agencies and customers (including the City) and were developed in conjunction with the City and other Metropolitan member agencies as part of the UWMP coordination process (as described in Section 5 of Metropolitan’s 2025 UWMP). In accordance with UWMP requirements, Metropolitan’s member agencies and their customers (many of them retail agencies) also report demands and supplies for their service areas in their respective UWMPs. The data reported by those agencies are not additive to the regional totals shown in Metropolitan’s UWMP, rather their reporting represents subtotals of the regional total and should be considered as such for the purposes of determining reduced reliance on the Delta.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
14 While the demands that Metropolitan’s member agencies and their customers report in their UWMP’s are a good reflection of the demands in their respective service areas, they do not adequately represent each water suppliers’ individual contributions to reduced reliance on the Delta. To calculate and report their reliance on water supplies from the Delta watershed, water suppliers that receive water from the Delta through other regional or wholesale water suppliers would need to determine the amount of Delta water that they receive from the regional or wholesale supplier. Two specific pieces of information are needed to accomplish this, first is the quantity of demands on the regional or wholesale water supplier that accurately reflect a supplier’s contributions to reduced reliance on the Delta and second is the quantity of a supplier’s demands on the regional or wholesale water supplier that are met by supplies from the Delta watershed.
For water suppliers that make investments in regional projects or programs it may be infeasible to quantify their demands on the regional or wholesale water supplier in a way that accurately reflects their individual contributions to reduced reliance on the Delta. Due to the extensive, long-standing, and successful implementation of regional demand management and local resource incentive programs in Metropolitan’s service area, this infeasibility holds true for Metropolitan’s members as well as their customers. For Metropolitan’s service area, reduced reliance on supplies from the Delta watershed can only be accurately accounted for at the regional level.
The following provides a summary of the near-term (2030) and long-term (2050) expected outcomes for Metropolitan’s Delta reliance on supplies from the Delta watershed shown in Table C-4:
x Near-term (2030) – Normal water year reliance on supplies from the Delta watershed decreased by 466,000 AF from the 2010 baseline, this represents a decrease of 6.5% of 2030 normal water year retail demands (Table C-4).
x Long-term (2050) – Normal water year reliance on supplies from the Delta watershed decreased by 537,000 AF from the 2010 baseline, this represents a decrease of 9.4% of 2050 normal water year retail demands (Table C-4).
The results show that as a region, Metropolitan and its members (including the City) as well as their customers are measurably reducing reliance on the Delta and improving regional self-reliance.
5. UWMP Implementation
In addition to the analysis and documentation described above, WR P1 subsection (c)(1)(B) requires that all programs and projects included in the UWMP that are locally cost-effective and technically feasible, which reduce reliance on the Delta, are identified, evaluated, and implemented consistent with the implementation schedule. WR P1 (c)(1)(B) states that:
(B) Identified, evaluated, and commenced implementation, consistent with the implementation schedule set forth in the Plan, of all programs and projects included in the Plan that are locally cost effective and technically feasible which reduce reliance on the Delta[.] In accordance with Water Code Section 10631(f), water suppliers must already include in their UWMP a detailed description of expected future projects and programs that they may implement to increase the amount of water supply available to them in normal and single-dry water years and for a period of drought lasting five consecutive years. The UWMP description must also identify specific projects, include a description of the increase in water supply that is expected to be available from each project, and include an estimate regarding the implementation timeline for each project or program.
Chapter 6 of the City’s 2025 UWMP summarizes the implementation plan and continued progress in developing a diversified water portfolio to meet the region’s water needs.
Appendix A: Demonstration of Reduced Delta Reliance Appendix A
15 Table C-1: Optional Calculation of Water Use Efficiency
Table C-2: Calculation of Service Area Water Demands without Water Use Efficiency
Service Area Water Use Efficiency Demands
(Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Service Area Water Demands with Water Use Efficiency Accounted For 10,263 10,564 9,042 6,463 7,164 7,168 7,225 7,283 7,341 Non-Potable Water Demands 840 220 1,531 206 155 155 155 155 155 Potable Service Area Demands with Water Use Efficiency Accounted For 9,423 10,344 7,511 6,257 7,009 7,013 7,070 7,128 7,186 Total Service Area Population Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Service Area Population 44,071 42,869 45,136 45,317 47,701 46,675 45,650 45,606 45,562 Water Use Efficiency Since Baseline
(Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Per Capita Water Use (GPCD) 191 215 149 123 131 134 138 140 141 Change in Per Capita Water Use from Baseline (GPCD) 25 (42) (68) (60) (57) (53) (51) (50) Estimated Water Use Efficiency Since Baseline (1,178) 2,140 3,432 3,190 2,967 2,691 2,623 2,556 Total Service Area Water Demands
(Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Service Area Water Demands with Water Use Efficiency Accounted For 9,423 10,344 7,511 6,257 7,009 7,013 7,070 7,128 7,186 Reported Water Use Efficiency or Estimated Water Use Efficiency Since Baseline (1,178) 2,140 3,432 3,190 2,967 2,691 2,623 2,556 Service Area Water Demands without Water Use Efficiency Accounted For 9,423 9,166 9,651 9,689 10,199 9,980 9,761 9,751 9,742 Appendix A: Demonstration of Reduced Delta Reliance Appendix A
16 Table C-3: Calculation of Supplies Contributing to Regional Self-Reliance
Water Supplies Contributing to Regional Self-Reliance
(Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Water Use Efficiency - (1,178) 2,140 3,432 3,190 2,967 2,691 2,623 2,556 Water Recycling 840 220 1,531 206 155 155 155 155 155 Stormwater Capture and Use
Advanced Water Technologies 3,877 3,800 3,800 3,800 3,800 3,800 Conjunctive Use Projects
Local and Regional Water Supply and Storage Projects 4,138 4,000 3,197 1,716 3,113 3,117 3,113 3,200 3,200 Other Programs and Projects the Contribute to Regional Self-Reliance Water Supplies Contributing to Regional Self-Reliance 4,978 3,042 6,868 9,231 10,258 10,039 9,759 9,778 9,711 Service Area Water Demands without Water Use Efficiency (Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Service Area Water Demands without Water Use Efficiency Accounted For 9,423 9,166 9,651 9,689 10,199 9,980 9,761 9,751 9,742 Change in Regional Self Reliance
(Acre-Feet)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Water Supplies Contributing to Regional Self-Reliance 4,978 3,042 6,868 9,231 10,258 10,039 9,759 9,778 9,711 Change in Water Supplies Contributing to Regional Self-Reliance (1,936) 1,890 4,253 5,280 5,061 4,781 4,800 4,733 Percent Change in Regional Self Reliance
(As Percent of Demand w/out WUE)
Baseline
(2010) 2015 2020 2025 2030 2035 2040 2045 2050
(Optional)
Percent of Water Supplies Contributing to Regional Self-Reliance 52.8% 33.2% 71.2% 95.3% 100.6% 100.6% 100.0% 100.3% 99.7% Change in Percent of Water Supplies Contributing to Regional Self-Reliance -19.6% 18.3% 42.4% 47.8% 47.8% 47.2% 47.4% 46.9% Appendix A: Demonstration of Reduced Delta Reliance Appendix A
17 Table C-4: Calculation of Reliance on Water Supplies from the Delta Watershed
Source: Metropolitan 2025 Draft UWMP, Appendix 10 - Metropolitan’s Reduced Delta Reliance Reporting (February 2026)
City of Camarillo DWR Checklist
Public Draft
2025 Urban Water Management Plan- Draft | B
Appendix B DWR Checklist
B
Retail
(x = required)
Wholesale
(x = required) Order 2025 Guidebook
Location
Water Code
Section Summary as Applies to UWMP Subject Relevant Submittal Table 2025 UWMP Location x x 1 Chapter 1 10615 A plan shall describe and evaluate sources of supply, reasonable and practical efficient uses, reclamation and demand management activities. Introduction and overview n/a Section 1.3 x x 1 Chapter 1 10630.5
Each plan shall include a simple description of the Supplier’s plan including water availability, future requirements, a strategy for meeting needs, and other pertinent information. Additionally, a Supplier may also choose to include a simple description at the beginning of each chapter.
Plan preparation n/a Section 1.3 and Chapter Intros
x x 2.1 Section 2.1 10620(b) Every person that becomes a Supplier shall adopt UWMP within one year after it has become a Supplier. Pl an preparation n/a n/a x n/a 2.5 Section 2.5 10644 Supplier shall report the Public Water Systems number, volume of delivered water, and number of connections that are included in this UWMP. Plan preparation 2-1 Section 2.1 & Appendix F x x 2.5 Section 2.5 10644 Supplier shall report if this UWMP is an individual UWMP and whether the Supplier belongs to a regional UWMP or regional alliance. Plan preparation 2-2 Section 2.1 x x 2.5 Section 2.5 10644 Supplier shall report whether the data is in fiscal or calendar years and the units of measure used for reporting water volumes. Plan preparation 2-3 Section 2.1 x x 2.4 Section 2.4 10642
Provide supporting documentation that the Supplier has encouraged active involvement of diverse social, cultural, and economic elements of the population within the service area prior to and during the preparation of the plan and contingency plan.
Plan preparation n/a Section 2.3
x x 2.4 Section 2.4.2 10620(d)(3)
Coordinate the preparation of its plan with other appropriate agencies in the area, including other Suppliers that share a common source, water management agencies, and relevant public agencies, to the extent practicable.
Plan preparation n/a Section 2.3
x n/a 2.4 Section 2.4.1 10631(h) Retail Suppliers will include documentation that they have provided their Wholesale Supplier(s)—if any—with water use projections from that source. Plan preparation 2-4 R Section 2.3 n/a x 2.4 Section 2.4.1 10631(h)
Wholesale Suppliers will provide their Suppliers with identification and quantification of the existing and planned sources of water available from the Wholesale Supplier to the Supplier during various water year types.
Plan preparation 2-4 W n/a
x x 3 Chapter 3.0 10631(a) Describe the Supplier service area. System description n/a Chapter 3 x x 3.3 Section 3.3 10631(a) Describe the climate of the Supplier’s service area. System description n/a Section 3.3 x x 3.4 Section 3.4.1 10631(a) Provide the current and projected service area populations for 2030, 2035, 2040, 2045 and optionally 2050. System description 3-1 Section 3.4
x x 3.4 Section 3.4.2 10631(a) Describe other social, economic, and demographic factors affecting the Supplier’s water management planning. System description n/a Section 3.4
x x 3.5 Section 3.5 10631(a)
Describe the land uses within the service area… include the current and projected land uses within the existing or anticipated service area affecting the Supplier’s water management planning. Describe the land uses within the service area.
System description and baselines n/a Section 3.5
x Optional 4.2 Sections 4.2.3 and
4.2.4 10631(d)(1) Quantify past, current, and projected water use, identifying the uses among water use sectors. System water use 4-1 an d 4-2 Section 4.1 x Optional 4.3 Section 4.3.1 10631(d)(3)(A) Report the distribution system water loss for each of the five years preceding the plan update. System water use 4-5 Section 4.1.3 x n/a 4.3 Section 4.3.2 10631(d)(3)(C) Retail Suppliers shall provide da ta to show the distribution loss standards were met. System w ater use 4-6 Section 4.1.3 x n/a 4.2 Section 4.2.5.4 10631.1(a) Include projected water use needed for lower income housing projected in the service area of the Supplier. System water use 4-3 Section 4.2
x n/a 4.2 Section 4.2.5.3 10631(d)(4)(A) In projected water use, include estimates of water savings from adopted codes, plans, and other policies or laws. System water use 4-3 Section 4.1.4
x n/a 4.2 Section 4.2.5.3 10631(d)(4)(B) Provide citations of codes, standards, ordinances, or plans used to make water use projecti ons. System water use 4-3 Section 4.1.4 x n/a 4.2 Section 4.2.5.3 10631(d)(4)(B)(ii)
To the extent that a Supplier reports the information described in subparagraph (A), an urban water Supplier shall… Indicate the extent that the water use projections consider savings from codes, standards, ordinances, or transportation and land use plans. Water use projections that do not account for these water savings shall be noted of that fact.
System water use 4-3 Section 4.1.4
x x 4.2 Section 4.2.5.6 10635(b) Demands under climate change considerations must be included as part of the drought risk assessment . System water use n/a Section 4.3 n/a x 5.1 Section 5.1 10608.36 Wholesale Suppliers shall include an assessment of present and proposed future measures, programs, and policies to help their Retail Suppliers achieve targeted water use reductions. Baselines and targets n/a n/a x n/a 5.2 Section 5.2 10608.4
Retail Suppliers shall report on their compliance in meeting their water use targets. Reporting requirements will vary depending on whether the Supplier:
- Was considered an urban retail water supplier in 2020, - Met its 2020 target in 2020, or
- Was part of a merger or consolidation since 2020.
Chapter 5 Subsections 5.2.1, 5.2.2, and 5.2.3 address each of these situations.
Baselines and targets 5-1 Section 5.1
x x 6.1 Section 6.1 10631(b)(2) When multiple sources of water supply are identified, describe the management of each supply in relationship to other identified supplies. System supplies n/a Section 6.1 x x 6.1 Sections 6.1 and 6.2 10631(b)(1)
Provide a discussion of anticipated supply availability under a normal, single dry year, and a drought lasting five years, as well as more frequent and severe periods of drought, including changes in supply due to climate change.
System supplies n/a Section 6.1
x x 6.2 Section 6.2.2 10631(b)(4)(C)
Indicate whether groundwater is an existing or planned source of water available to the Supplier. If groundwater is identified as an existing or planned source of water… (include) a detailed description and analysis of the location, amount and sufficiency of groundwater pumped by the Supplier for the past five years.
Water supplies and recycled
water 6-1 Section 6.1.2
x x 6.2 Section 6.2.2 10631(b)(4)(A)
Indicate whether a groundwater sustainability plan or groundwater management plan has been adopted by the Supplier or if there is any other specific authorization for groundwater management. Include a copy of the plan or authorization.
System supplies n/a n/a
x x 6.2 Section 6.2.2 10631(b)(4)(B) Describe the groundwater basin. System supplies n/a 6.1.2 x x 6.2 Section 6.2.2 10631(b)(4)(B) Indicate if the basin has been adjudicated and include a copy of the court order or decree and a description of the amount of water the Supplier has the legal right to pump. System supplies n/a n/a x x 6.2 Section 6.2.2 10631(b)(4)(B) For unadjudicated basins… (include) information as to whether DWR has identified the basin as a high- or medium-priority basin in the most current official departmental bulletin… Water supplies and recycled
water n/a Section 6.1.2
x x 6.2 Section 6.2.2 10631(b)(4)(B) For unadjudicated basins… describe efforts by the Supplier to coordinate with sustainability or groundwater agencies to achieve sustainable groundwater conditions.
Water supplies and recycled
water n/a Section 6.1.2
x x 6.2 Section 6.2.2. 10631(b)(4)(C)
If groundwater is identified as an existing or planned source of water… (include) a detailed description and analysis of the location, amount and sufficiency of groundwater pumped by the Supplier for the past five years.
System supplies n/a Section 6.1.2
x x 6.2 Section 6.2.2 10631(b)(4)(D) Provide a detailed description and analysis of the amount and location of groundwater that is projected to be pumped. System supplies 6-9 Section 6.1.2
x x 6.1 Section 6.1 10631(b) Identify and quantify the existing and planned sources of water available for 2025, 2030, 2035, 2040, 2045 and optionally 2050. System supplies 6-8 and 6-9 Section 6.1.9 x x 6.2 Section 6.2.7 10631(c) Describe the opportunities for exchanges or transfers of water on a short-term or long-term basis. Sys tem supplies n/a Section 6.1.7 x n/a 6.2 Section 6.2.5 10633(a) Describe the wastewater collection and treatment systems in the Supplier’s service area with quantified amount of collection and treatment and the disposal methods. System supplies (recycled water) 6-2 Section 6.1.5 x x 6.2 Section 6.2.5 10633(b) Describe the quantity of treated wastewater that meets recycled water standards, is being discharged, and is otherwise available for use in a recycled water project. System supplies (recycled water) 6-3 Section 6.1.5 x x 6.2 Section 6.2.5 10633(c) Describe the recycled water currently being used in the Supplier's service area. System supplies (recy cled water) 6-4 Section 6.1.5 x x 6.2 Section 6.2.5 10633(d) Describe and quantify the potential uses of recycled water and provide a determination of the technical and economic feasibility of those uses. System supplies (recycled water) 6-4 Section 6.1.5 x x 6.2 Section 6.2.5 10633(e) Describe the projected use of recycled water within the Supplier's service area at the end of 5, 10, 15, and 20 years, and describe the actual use of recycled water in comparison to uses previously projected. System supplies (recycled water) 6-4 and 6-5 Section 6.1.5 x x 6.2 Section 6.2.5 10633(f) Describe the actions that may be taken to encourage the use of recycled water and the projected results of these actions in terms of acre-feet of recycled water used per year. System supplies (recycled water) 6-6 Section 6.1.5 x x 6.2 Section 6.2.5 10633(g) Provide a plan for optimizing the use of recycled water in the Supplier's service area. System supplie s (recycled water) n/a Section 6.1.5 x x 6.2 Section 6.2.6 10631(g) Describe desalinated water project opportunities for long-term supply. System supplies 6-7 Section 6.1.6 x x 6.2 Section 6.2.10 10631(f)
Describe the expected future water supply projects and programs that may be undertaken by the water Supplier to address water supply reliability in average, single-dry, and for a period of drought lasting five consecutive water years.
System supplies 6-7 Section 6.1.8
xx 6 . 3 Section 6.3 and
Appendix O 10631.2(a) The UWMP must include energy information, as stated in the code, that a Supplier can readily obtain. System suppliers, energy intensity O-1A, O-1B, O-1C, and O-2 Section 6.2.1
x 7.1 Section 7.1 10634 Provide information on the quality of existing sources of water available to the Supplier and the manner in which water quality affects water management strategies and supply reliability.
Water supply reliability
assessment n/a Section 6.1, Section 7.1
x x 7.2 Section 7.2 10635(a)
Service Reliability Assessment: Assess the water supply reliability during normal, dry, and a drought lasting five consecutive water years by comparing the total water supply sources available to the Supplier with the total projected water use over the next 20 years.
Water supply reliability
assessment 7-2, 7-3, and 7-4 Section 7.2
x x 7.2 Section 7.2.3 10620(f) Describe water management tools and options to maximize resources and minimize the need to import water from other regions.
Water supply reliability
assessment n/a Section 7.2.4
x x 7.3 Section 7.3 10635(b) Provide a drought risk assessment as part of information considered in developing the demand management measures and water supply projects.
Water supply reliability
assessment n/a Section 7.3
x x 7.3 Section 7.3 10635(b)(1)
Include a description of the data, methodology, and basis for one or more supply shortage conditions that are necessary to conduct a drought risk assessment for a drought period that lasts five consecutive years.
Water supply reliability
assessment n/a Section 7.3.1
x x 7.3 Section 7.3 10635(b)(2) Include a determination of the reliability of each source of supply under a variety of water shortage conditions.
Water supply reliability
assessment n/a Section 7.2
x x 7.3 Section 7.3 10635(b)(3) Include a comparison of the total water supply sources available to the Supplier with the total projected water use for the drought period.
Water supply reliability
assessment 7-5 Section 7.3.1
x x 7.3 Section 7.3 10635(b)(4)
Include considerations of the historical drought hydrology, plausible changes on projected supplies and demands under climate change conditions, anticipated regulatory changes, and other locally applicable criteria.
Water supply reliability
assessment n/a Section 7.2.1
x x 8 Chapter 8 10632(a) Provide a water shortage cont ingency plan (WSCP) with specified elements below. Water shortage contingency planning n/a Appendix E
x x 8 Chapter 8 10632(a)(1) Provide an a nalysis of water supply reliability (from Guidebook Chapter 7) in the WSCP. Water shortage contingency planning n/a Appendix E Section 1
x x 8.2 Section 8.2 10632(a)(2)(A) Provide the written decision-making process and other methods that the Supplier will use each year to determine its water reliability.
Water shortage contingency
planning n/a Appendix E Section 2
x x 8.2 Section 8.2 10632(a)(2)(B) Provide data and methodology to evaluate the Supplier’s water reliability for the current year and one dry year pursuant to factors in the code.
Water shortage contingency
planning n/a Appendix E Section 2.1, and Section
2.2 x x 8.3 Section 8.3 10632(a)(3)(A)
Define six standard water shortage levels of 10%, 20%, 30%, 40%, 50% shortage, and greater than 50% shortage. These levels shall be based on supply conditions, including percent reductions in supply, changes in groundwater levels, changes in surface elevation, or other conditions. The shortage levels shall also apply to a catastrophic interruption of supply.
Water shortage contingency
planning n/a Appendix E Section 3
x x 8.3 Section 8.3 10632(a)(3)(B) Suppliers with an existing WSCP that uses different water shortage levels must cross reference their categories with the six standard categories.
Water shortage contingency
planning 8-1 Appendix E Section 3
x x 8.4 Section 8.4 10632(a)(4)(A) Suppliers with WSCPs that align with the defined shortage levels must specify locally appropriate supply augmentation actions.
Water shortage contingency
planning 8-2 Appendix E Section 4.1.2
x x 8.4 Section 8.4 10632(a)(4)(B) Specify locally appropriate demand reduction actions to adequately respond to shortages. Water shortage contingency planning 8-3 Appendix E Section 4.1.1
x x 8.4 Section 8.4 10632(a)(4)(C) Specify locally appropriate operational changes. Water shortage contingency planning 8-2 Appendix E Section 4.1.3
x x 8.4 Section 8.4 10632(a)(4)(D) Specify additional mandatory prohibitions against specific water use practices that are in addition to State-mandated prohibitions are appropriate to local conditions.
Water shortage contingency
planning Table 8-3 Appendix E Section 4.1.4
x x 8.4 Section 8.4 10632(a)(4)(E) Estimate the extent to which the gap between supplies and demand will be reduced by implementation of the action.
Water shortage contingency
planning 8-2 and 8-3 Appendix E Section 4.1.7
x x 8.4 Section 8.4.6 10632.5 The UWMP shall include a seismic risk assessment and mitigation plan. Water shortage contingency plan n/ a Appendix E Section 4.1.6 x x 8.5 Section 8.5 10632(a)(5)(A) Suppliers must describe that they will inform customers, the public and others regarding any current or predicted water shortages.
Water shortage contingency
planning n/a Appendix E Section 5
x x 8.5 Section 8.5 10632(a)(5)(B),
10632(a)(5)(C)
Suppliers must describe that they will inform customers, the public and others regarding any shortage response actions triggered or anticipated to be triggered and other relevant communications.
Water shortage contingency
planning n/a Appendix E Section 5
x n/a 8.6 Section 8.6 10632(a)(6) Retail Supplier must describe how it will ensure compliance with and enforce provisions of the WSC P. Water shortage contingency planning n/a Appendix E Section 6
x x 8.7 Section 8.7 10632(a)(7)(A) Describe the legal authority that empowers the Supplier to enforce shortage response actions. Water shortage contingency planning n/a Appendix E Section 7
x x 8.7 Section 8.7 10632(a)(7)(B) Provide a statement that the Supplier will declare a water shortage emergency per Water Code Chapter 3. Water Shortage Emergencies.
Water shortage contingency
planning n/a Appendix E Section 7
x x 8.7 Section 8.7 10632(a)(7)(C) Provide a statement that the Supplier will coordinate with any city or county within which it provides water for the possible proclamation of a local emergency.
Water shortage contingency
planning n/a Appendix E Section 5
x x 8.8 Section 8.8 10632(a)(8)(A) Describe the potential revenue reductions and expense increases associated with activated shortage response actions.
Water shortage contingency
planning n/a Appendix E Section 8
x x 8.8 Section 8.8 10632(a)(8)(B) Provide a description of mitigation actions needed to address revenue reductions and expense increases associated with activated shortage response actions.
Water shortage contingency
planning n/a Appendix E Section 8
x n/a 8.8 Section 8.8 10632(a)(8)(C) Retail Suppliers must describe the cost of compliance with Water Code Chapter 3.3, Excessive Residential Water Use During Drought.
Water shortage contingency
planning n/a Appendix E Section 8
x n/a 8.9 Section 8.9 10632(a)(9) Retail Suppliers must describe the monitoring and reporting requirements and procedures that ensure appropriate data are collected, tracked, and analyzed for purposes of monitoring customer compliance.
Water shortage contingency
planning n/a Appendix E Section 9
x x 8.10 Section 8.10 10632(a)(10) Describe reevaluation and improvement procedures for monitoring and evaluation the WSCP to ensure risk tolerance is adequate and appropriate water shortage mitigation strategies are implemented.
Water shortage contingency
planning n/a Appendix E Section 9
x n/a 8.11 Section 8.11 10632(b) Analyze and define water features that are artificially supplied with water, including ponds, lakes, waterfalls, and fountains, separately from swimming pools and spas.
Water shortage contingency
planning n/a Appendix E Section 10.1
x x 8.12 Section 8.12 10632(c) Make available the WSCP to customers and any city or county where it provides water within 30 days after adoption of the plan.
Water shortage contingency
planning n/a Appendix E Section 11
x n/a 9.1 Sections 9.1 10631(e)(1)
Retail Suppliers shall provide a description of the nature and extent of each demand management measure implemented over the past five years. The description will address specific measures listed in code.
Demand management measures n/a Section 9.2
n/a x 9.2 Sections 9.2 10631(e)(2) Wholesale Suppliers shall describe specific demand management measures listed in code, their distribution system asset management program, and Supplier assistance program. Demand management measures n/a Section 9.2 x n/a 10 Chapter 10 10608.26(a) Retail Suppliers shall conduct a public hearing to discuss adoption, implementation, and economic impact of water use targets (recommended to discuss compliance).
Plan adoption, submittal, and
implementation n/a Section 10.1
x x 10.2 Section 10.2.1 10621(b) Notify, at least 60 days prior to the public hearing, any city or county within which the Supplier provides water that the Supplier will be reviewing the UWMP and considering amendments or changes to the plan.
Plan adoption, submittal, and
implementation 10-1 Section 10.1
x x 10.4 Section 10.4 10621(f) Each urba n water Supplier shall update and submit its 2025 plan to DWR by July 1, 202 6. Plan adoption, submittal, and implementation n/a Section 10.1
x x 10.2 Sections 10.2.2, 10.3,
and 10.5 10642 Provide supporting documentation that the Supplier made the UWMP and WSCP available for public inspection, published notice of the public hearing, and held a public hearing about the UWMP and WSCP.
Plan adoption, submittal, and
implementation n/a Appendix E
x x 10.2 Section 10.2.2 10642 The Supplier is to provide the time and place of the hearing to any city or county within which the Supplier provides water.
Plan adoption, submittal, and
implementation 10-1 Section 10.1, Appendix C
x x 10.3 Section 10.3.2 10642 Provide supporting docum entation that the UWMP and WSCP has been adopted as prepared or modified. Plan adoption, submittal, and implementation n/a Appendix D
x x 10.4 Section 10.4 10644(a) Provide supporting documentation that the Supplier has submitted their UWMP to the California State Library.
Plan adoption, submittal, and
implementation n/a Section 10.1
x x 10.4 Section 10.4 10644(a)(1) Provide supporting documentation that the Supplier has submitted their UWMP to any city or county within which the Supplier provides water no later than 30 days after adoption.
Plan adoption, submittal, and
implementation n/a Section 10.1, Appendix C
x x 10.4 Sections 10.4.1 and
10.4.2 10644(a)(2) The UWMP, or amendments to the UWMP, submitted to DWR shall be submitted electronically. Plan adoption, submittal, and implementation n/a Section 10.1
x x 10.7 Section 10.7.2 10644(b) If revised, submit a copy of the WSCP to DWR within 30 days of adoption. Plan adoption, submittal, and implementation n/a Section 10.1
x x 10.5 Section 10.5 10645(a) Provide supporting documentation that, not later than 30 days after filing a copy of its UWMP with DWR, the Supplier has or will make the plan available for public review during normal business hours.
Plan adoption, submittal, and
implementation n/a Section 10.1
x x 10.5 Section 10.5 10645(b) Provide supporting documentation that, not later than 30 days after filing a copy of its WSCP with DWR, the Supplier has or will make the plan available for public review during normal business hours.
Plan adoption, submittal, and
implementation n/a Appendix C Section 11
x x 10.6 Section 10.6 10621(c) If Supplier is regulated by the Public Utilities Commission, include its plan and contingency plan as part of its general rate case filings.
Plan adoption, submittal, and
implementation n/a Section 10.1
City of Camarillo 60-Day and Public Hearing Notices
Public Draft
2025 Urban Water Management Plan- Draft | C
Appendix C 60-Day and Public
Hearing Notices
C
February 27, 2026
Paul Chan, PE, CEM, Water & Sanitation Director
Ventura County Public Works Agency
Water and Sanitation Department
P.O. Box 250
Moorpark, CA, 93020-0250
Also sent via email to:
[email protected]
SUBJECT: City of Camarillo – Notice of Preparation of the 2025 Urban Water Management Plan and Water Shortage Contingency Plan
Dear Mr. Chan:
The City of Camarillo is in the process of preparing and updating its 2025 Urban Water Management Plan (UWMP) and Water Shortage Contingency Plan (WSCP) in compliance with the Urban Water Management Planning Act. An update of the City of Camarillo’s UWMP is required every five (5) years.
Water Code section 10621(b) requires an urban water supplier updating its UWMP and WSCP to notify cities and counties within its service area of the update at least sixty (60) days prior to holding a public hearing thereby encouraging public involvement and agency coordination. This letter serves as City of Camarillo‘s notice that it is preparing and updating its 2025 UWMP and WSCP.
A copy of the City of Camarillo’s draft 2025 UWMP and WSCP will be available for review when the Notice of Public Hearing is formally noticed as required in Water Code Section 10642, and will be available at the City Clerk’s counter at Camarillo City Hall, located at 601 Carmen Drive, Camarillo, California, 93010 and online at www.cityofcamarillo.org/meetinginfo. The City of Camarillo is anticipated to hold the public hearing and adoption of the 2025 UWMP and WSCP on Wednesday, May 27, 2026, at 5:00 p.m., or soon thereafter, in the Council Chambers, 601 Carmen Drive, Camarillo, California, 93010.
If you have any questions or input regarding these documents either prior to their availability for review, or when they become publicly available as noted above, please contact Eric Maple via email at [email protected] or by phone at (805) 383-5673 to discuss any concerns or input you may have as early as possible.
Sincerely,
Eric Maple
Water Resources Manager
Department of Public Works – Water Resources
(805) 383-5673
[email protected]
Sincerely,
Eric Maplell
NOTICE OF PUBLIC HEARING
NOTICE IS HEREBY GIVEN that the City Council of the City of Camarillo will conduct a public hearing on Tuesday, June 24, 2026, at 5:00 p.m., in the Council Chambers, 601 Carmen Drive, Camarillo, California, to consider the 2025 URBAN WATER MANAGEMENT PLAN AND 2025 WATER SHORTAGE CONTINGENCY PLAN.
California Water Code Section 10610 et seq., requires the City to update its Urban Water Management Plan (UWMP) at least once every five years and periodically review its Water Shortage Contingency Plan. The City Council will consider a Resolution to adopt the 2025 UWMP and WSCP, which incorporate new and updated information regarding long-term water supply reliability and drought response strategies.
Draft copies of the 2025 UWMP and WSCP are available for public review on June 5, 2026, at the Public Works Counter, 601 Carmen Drive, Camarillo, CA 93010, and on the City’s website at cityofcamarillo.org/reports.
Any person interested in these matters is invited to attend and present testimony either for or against the Council’s adoption. If you challenge the proposed action in court, you may be limited to raising only those issues you or someone else raised at the public hearing described in this notice or in written correspondence delivered to the City Council at or prior to the public hearing.
For additional information, please contact the City of Camarillo Water Resource Division at (805) 388-5340.
City of Camarillo Adoption Resolution
Public Draft
2025 Urban Water Management Plan- Draft | D
Appendix D Adoption Resolution
D
7KLVSDJHLVDSODFHKROGHUXQWLOILOHVDUHDYDLODEOHDIWHUSODQ DGRSWLRQ City of Camarillo Water Shortage Contingency Plan
Public Draft
2025 Urban Water Management Plan- Draft | E
Appendix E Water Shortage
Contingency Plan
E
Water Shortage
Contingency Plan-
Draft
JUNE 2026 CITY OF CAMARILLO
CITY OF CAMARILLO
Water Shortage
Contingency Plan- Draft
JUNE 2026
Prepared by Water Systems Consulting, Inc
Table of Contents
Water Shortage Contingency Plan- Draft | ii
TABLE OF CONTENTS
1.0 Introduction ..................................................................................................................... 1
2.0 Overview of WSCP Components ..................................................................................... 1
3.0 Water Service Reliability Analysis .................................................................................... 3
4.0 Annual Water Supply and Demand Assessment Procedures .......................................... 4
4.1 Key Data Inputs and Evaluation Criteria ....................................................................... 4
4.2 Annual Assessment Procedure .................................................................................... 7
5.0 Water Shortage Levels .................................................................................................... 7
6.0 Shortage Response Actions ............................................................................................ 8
7.0 Communication Protocols ...............................................................................................17
8.0 Compliance and Enforcement ........................................................................................19
9.0 Legal Authority ...............................................................................................................19
10.0 Financial Consequences of WSCP Implementation .......................................................20
11.0 Monitoring and Reporting ...............................................................................................20
12.0 WSCP Refinement Procedures ......................................................................................20
13.0 Special Water Feature Distinction ..................................................................................21
14.0 Plan Adoption, Submittal, and Availability ......................................................................22 References ...............................................................................................................................24 Attachment 1 60-Day and Public Hearing Notices ................................................................... A-1 Attachment 2 Adoption Resolution .......................................................................................... A-2
List of Figures
Water Shortage Contingency Plan- Draft | iii
LIST OF FIGURES
Figure 5-1. Water Shortage Levels Crosswalk ............................................................................. 8 List of Tables
Water Shortage Contingency Plan- Draft | iv
LIST OF TABLES
Table 4-1. Key Data Inputs for the Annual Assessment ............................................................... 6 Table 5-1. Water Shortage Contingency - Rationing Stages ........................................................ 8 Table 6-1. DWR 8-3 Potential Demand Reduction Actions ........................................................ 10 Table 6-2. Estimated Savings by Shortage Level ....................................................................... 14 Table 6-3. Potential Recycled Water Uses During Stage 4 Water Supply Condition ................. 15 Table 6-4. Potential New Connection Moratorium Exemptions .................................................. 15 Table 7-1. Communication Protocol During Water Shortage Conditions .................................... 18 Table 14-1. Processes and Steps to Adopt, Submit, and Implement the WSCP ........................ 22 Acronyms & Abbreviations
Water Shortage Contingency Plan- Draft | v
ACRONYMS & ABBREVIATIONS
AWIA American Water Infrastructure Association
BTAC Basin Technical Advisory Committee
CWC California Water Code
CII Commercial, Industrial, and Institutional
DWR California Department of Water Resources
DRA Drought Risk Assessment
ERP Emergency Response Plan
LHMP Local Hazard Mitigation Plan
RRA Risk and Resilience Assessment
SWP State Water Project
UWWP Urban Water Management Plan
WSCP Water Shortage Contingency Plan
Introduction
Water Shortage Contingency Plan- Draft | 1
1.0 Introduction
This Water Shortage Contingency Plan (WSCP) is a detailed plan for how the City of Camarillo (City) intends to predict and respond to foreseeable and unforeseeable water shortages or other conditions requiring demand reduction. A water shortage occurs when the water supply is reduced to a level that cannot support typical demand at any given time or a reduction in demand is otherwise needed.
The California Water Code (CWC) Section 10632 requires that every urban water supplier shall prepare and adopt a WSCP as part of its UWMP. This WSCP is used to provide guidance to the City, staff, and the public by identifying anticipated shortages and response actions to allow for efficient management of any water shortage with predictability and accountability. The WSCP is a detailed proposal for how the City intends to act in the case of an actual water shortage condition. This WSCP is not intended to provide absolute direction; rather, it is intended to provide options to manage water shortages. Official water shortage declarations by the City may include any combination of components described in this WSCP.
The WSCP is intended to function as a flexible planning and implementation framework that establishes potential water shortage levels, response actions, and implementation procedures that may be modified as necessary to respond to actual water supply conditions, regulatory directives, or wholesale supplier requirements.
Water shortages can be triggered by a hydrologic limitation in supply (i.e., a prolonged period of below normal precipitation), limitations or failure of supply and treatment infrastructure, regulatory directives, wholesale supplier requirements, or a combination of these and other conditions. Hydrologic or drought limitations tend to develop and abate more slowly, whereas infrastructure failure tends to happen quickly and relatively unpredictably. Water supplies may be interrupted or reduced significantly in several ways, such as during a drought that limits supplies, an earthquake that damages water delivery or storage facilities, a regional power outage, or a toxic spill that affects water quality.
2.0 Overview of WSCP Components
The Water Code establishes several prescriptive elements that must be included in a retail water supplier’s WSCP. Each element and its location within the WSCP is described below.
Water Supply Reliability Analysis
Summarizes the City’s water supply analysis and reliability and identifies the key issues that may trigger a shortage condition.
Annual Water Supply and Demand Assessment Procedures
Describes the key data inputs, evaluation criteria, and methodology for assessing the system’s reliability for the coming year. It also identifies the steps to formally declare any water shortage levels and response actions.
Overview of WSCP Components
Water Shortage Contingency Plan- Draft | 2
Water Shortage Levels
Establishes water shortage levels to clearly identify and prepare for shortages.
Shortage Response Actions
Describes the response actions that may be implemented or considered for each level to reduce gaps between supply and demand as well as minimize social and economic impacts to the community. The response actions identified for each water shortage level are illustrative and not exhaustive; they represent a menu of measures that may be implemented individually or in combination. Additional or modified actions may be implemented as necessary to protect public health, maintain water supply reliability, or comply with State or wholesale supplier directives.
Communication Protocols
Describes communication protocols under each level to ensure customers, the public, and local government agencies are informed of shortage conditions and requirements.
Compliance and Enforcement
Defines compliance and enforcement actions available to administer demand reductions.
Legal Authority
Lists the legal documents that grant the City the authority to declare a water shortage and implement and enforce response actions.
Financial Consequences of WSCP Implementation
Describes the anticipated financial impact of implementing water shortage levels and identifies mitigation strategies to offset financial burdens.
Monitoring and Reporting
Summarizes the monitoring and reporting techniques to evaluate the effectiveness of shortage response actions and overall WSCP implementation. Results are used to determine if shortage response actions should be adjusted.
WSCP Refinement Procedures
Describes the factors that may trigger updates to the WSCP and outlines how to complete an update.
Special Water Features Distinctions
Defines considerations and definitions for water use for decorative features versus pools and spas.
Plan Adoption, Submittal, and Availability
Describes the WSCP adoption process, submittal, and availability after each revision.
Water Service Reliability Analysis
Water Shortage Contingency Plan- Draft | 3
This WSCP was prepared in conjunction with the City’s 2025 Urban Water Management Plan (UWMP) (Water Systems Consulting Inc., June 2026) and is a standalone document that can be modified as needed. This document is compliant with the CWC 10632 and incorporated guidance from the State of California Department of Water Resources (DWR) UWMP Guidebook 2025 (State of California Department of Water Resources, 2026) and the American Water Works Association (AWWA) Manual of Water Supply Practices (M60) Drought Preparedness and Response (American Water Works Association, 2019). Volumes discussed in this WSCP will be in acre-feet (AF).
The WSCP addresses several types of water supply shortages or demand reduction requirements that could potentially impact the City and its customers:
x Long-term supply shortages due to prolonged drought, contamination, destruction of critical water supply facilities, etc.
x Short-term water supply shortages due to natural or man-made catastrophic emergencies or production capacity limitations.
x Regulatory action that requires reduction in water consumption that can be long-term or short-term.
The City first developed its WSCP in July 2009. Ordinance No. 1126, § 3 (Exhibit A), adopted July 27, 2016, amended Chapter 14.12 of the Camarillo Municipal Code (Municipal Code), and is available for review on the City’s website
(https://www.ci.camarillo.ca.us/residents/municipal_code.php). The Municipal Code informs the City’s current WSCP and the WSCP is incorporated in the Municipal Code by reference. The Municipal Code provides authorization as follows:
1. The city manager or a designee may recommend that the City Council invoke use of the WSCP to declare a water shortage level or stage as prescribed by the WSCP based upon how conditions develop.
2. Once the City Council has invoked the WSCP pursuant to the Municipal Code, the city manager or a designee is authorized to implement and enforce the WSCP in the form and manner prescribed by the WSCP and Municipal Code.
3. Based upon how conditions develop, the city manager or a designee may recommend that the city council declare a transition to a different water shortage level or stage as prescribed by the WSCP.
3.0 Water Service Reliability Analysis
This section is consistent with CWC 10632(a)(1) and describes the key findings of the water supply reliability analysis conducted pursuant to CWC 10635, which is presented in Section 7 of the City’s 2025 UWMP. As part of the 2025 UWMP, water suppliers must perform a long-term (2030–2050) water service reliability assessment to evaluate supply reliability under normal, single-dry year, and five consecutive-dry year periods and a short-term (2026–2030) Drought Risk Assessment (DRA) to evaluate reliability under an impending five consecutive-dry year Annual Water Supply and Demand Assessment
Procedures
Water Shortage Contingency Plan- Draft | 4
period. Water supply reliability reflects the City’s ability to meet the water needs of its customers with water supplies under varying conditions. The analysis considers plausible hydrological and regulatory variability, infrastructure capacity, climate conditions, and other factors that affect the City’s water supply and demand. The City expects to meet demands under all water year scenarios while continuing to promote conservation.
The DRA analyzes historical data to allow the City to view patterns and more reliably determine if there could be any water shortages within a given time frame. The DRA looks at historical consumption data by customer class, populated from billing records, and historical supply data, by source, from production reports. Next, future demand and supply estimates for the planning period are analyzed to determine if there are any gaps between supply and demand. As mentioned above, the City does not anticipate a supply shortage. The City is committed to promoting conservation and use of recycled water to increase its supply portfolio, resiliency, and subsequent reliability as described in Section 9 of the 2025 UWMP.
4.0 Annual Water Supply and Demand
Assessment Procedures
As established by CWC 10632.1, urban water suppliers must conduct an Annual Water Supply and Demand Assessment (Annual Assessment) and submit an Annual Water Shortage Assessment Report to DWR. The Annual Assessment is an evaluation of the short-term outlook for supplies and demands to determine whether the potential for a supply shortage exists and whether there is a need to trigger a WSCP shortage level and response actions to maintain supply reliability. Beginning by July 1, 2022, and every year after, the City has been required to prepare their Annual Assessment and submit an Annual Water Shortage Assessment Report to DWR. The annual report should document the anticipated shortage level, triggered shortage response actions, compliance and enforcement actions, and communication actions that will be implemented to mitigate the shortage identified in the Annual Assessment.
4.1 Key Data Inputs and Evaluation Criteria
Declarations of water shortage levels may occur if conditions warrant it. The city manager or a designee may recommend that the City Council invoke use of the WSCP to declare a water shortage level or stage as prescribed by the WSCP based upon how conditions develop. Such declarations will be based on the current shortage conditions. The respective water shortage dictates the degree at which shortage response actions are implemented at any time in the City.
Some of the specific, potential reasons to change shortage levels are listed as follows:
• Advancement to subsequent level
o An emergency condition, such as failure of pumping equipment, that requires a percentage of water consumption reduction greater than that of the current stage.
Annual Water Supply and Demand Assessment
Procedures
Water Shortage Contingency Plan- Draft | 5
o A regulatory action issued by the State of California that requires more than that level’s percentage reduction in water consumption.
o Wholesale supplier actions, including but not limited to allocation notices, emergency declarations, or directives from the Metropolitan Water District of Southern California (MWDSC), or the Calleguas Municipal Water District (CMWD), that materially affect available water supply or require demand reductions.
o Failure to maintain the target water consumption reduction goal of that particular stage.
• Withdrawal to previous level
o An emergency condition has been decreased in severity or resolved, so that the previous target goal may be utilized.
o A regulatory action has been resolved or modified.
o A wholesale supplier action has been resolved or modified. o Water consumption reductions have been above that necessary to meet target goals of the current stage.
Key data inputs and their sources for the Annual Assessments are summarized in Table 4-1 and described in detail in this section.
Evaluation criteria that can be used to determine and declare severity of supply shortages may include any, or combinations of, the following:
• Historic rainfall: reflects changes to supply due to changes in groundwater recharge.
• Water levels within the Pleasant Valley Basin: reflects status of groundwater conditions.
• Existing infrastructure capabilities and plausible constraints: reflects limited production and distribution capacity due to a variety of factors potentially including, but not limited to, man-made or natural catastrophic events. • Customer demands: reflects current year and projected dry year conditions for comparison to available supplies.
• State mandates: reflects State orders or mandatory compliance with water use efficiency standards.
• Other locally applicable evaluation criteria: determined as necessary, such as wholesale supplier actions, including but not limited to allocation notices, emergency declarations, or directives.
Supply shortages due to any combination of drought, imported supply constraints, or groundwater conditions affect the City and surrounding region, not just the City’s customers. A shortage emergency may be declared when it is demonstrated that conditions threaten the ability to provide water for public health, safety, and welfare of the community. Furthermore, compliance with State mandates for water use efficiency can be declared during drought or in Annual Water Supply and Demand Assessment
Procedures
Water Shortage Contingency Plan- Draft | 6
preparation for future droughts, such as in response to the governor’s drought declarations for the State’s Making Conservation a California Way of Life Regulation.
Short-term and long-term supply shortages may be caused by constrained production capacity or catastrophic emergencies (natural or man-made) and include, but are not limited to, the following events: power outages, winter storms, wildfires, earthquakes, structural failures, contamination, and bomb threats. These types of emergencies may limit the City’s immediate ability to provide adequate water service to meet the requirements for human consumption, sanitation, and fire protection. Impacts of such emergencies vary in duration; thus, consumption reduction measures and prohibitions may differ for short-term and long-term shortages.
Table 4-1. Key Data Inputs for the Annual Assessment
KEY DATA INPUT SOURCE
Rainfall Monthly rainfall data. Rainfall sources for the City include local weather stations.
Groundwater conditions Production data, static water levels, input from the City’s Water Division staff.
Infrastructure capabilities and plausible
constraints
Production data, input from the City’s Water
Division staff.
Customer demands Customer billing data, UWMP projections, input from the City’s Water Billing staff.
State mandates Executive Orders from the Governor, State Water Resources Control Board orders and
policies, input from the City’s Water Division
staff.
Other locally applicable evaluation criteria Determined as necessary, such as wholesale supplier allocation notices, emergency
declarations, or directives.
4.1.1 Production Capacity
Infrastructure capabilities and overall production may be analyzed to determine if a possible outage or deficiency may occur or continue in the coming year due to a variety of factors potentially including, but not limited to, man-made or natural catastrophic events. This may include well replacement, evaluation of wells for possible contamination, pipeline repairs, and others. If the City determines there are limitations to production capacity, a shortage level declaration and subsequent demand reductions may be required.
Water Shortage Levels
Water Shortage Contingency Plan- Draft | 7
4.1.2 State Mandates
The City has historically been required by the State to reduce demand regardless of supply reliability at the given time. As described previously, compliance with State mandates for water use efficiency can be declared during a drought or in preparation for future droughts, such as in response to the Governor’s drought declarations or the State’s Making Conservation a California Way of Life Regulation. The City may consider State mandates and mandatory compliance with water use efficiency standards in determining water shortage levels.
4.2 Annual Assessment Procedure
City staff will perform the Annual Assessment between April and May (or more frequently if necessary). Steps to conduct the Annual Assessment are as follows:
1. Staff gather the key inputs, compile historical data, and analyze potential supply and demand gaps.
2. Staff provide insight on demand trends, water supply conditions, and production capacity.
3. Staff will determine if a recommended change to the level of shortage is required. If so, steps 1-3 in Section 2.0 provide guidelines for potential next steps.
4. The Annual Assessment will be submitted to the State.
The first Annual Assessment Report was due to DWR by July 1, 2022 and have been due on July 1 of the years following.
5.0 Water Shortage Levels
This section is consistent with CWC 10632(a)(2) and describes the City’s water shortage levels.
Water suppliers must adopt water shortage levels. Shortage levels indicate the gap between supply and demand compared to normal year conditions. DWR standardized six shortage levels to provide a consistent regional and statewide approach to measure water supply shortage conditions. The six shortage levels correspond to 10-, 20-, 30-, 40-, 50-percent (%), and greater than 50% shortage compared to the normal reliability conditions. However, a water supplier may use its own shortage levels if a crosswalk is included relating its existing shortage levels to the six standard levels. A potential crosswalk example between five levels and the standard water shortage levels is shown in Figure 5-1. If deemed appropriate, the City could adjust the number of shortage levels used, but this WSCP assumes the City will use five for illustrative purposes.
Table 5-1 shows the five levels and their representative shortages. As shown in Table 5-1, the water shortage levels include consideration of water shortages up to a Level 5 Emergency Water Supply Shortage, which includes a greater than 50% shortage level with a corresponding water demand reduction objective of greater than 50%. Each level includes a water reduction objective, supply conditions, and percent of normal water supply, which may vary based on the nature of the water supply emergency. The implementation of water shortage levels and Shortage Response Actions
Water Shortage Contingency Plan- Draft | 8
response actions is dependent on the cause, severity, and anticipated duration of the water supply shortage. A combination of response actions would be used to reduce the water shortage or a given condition requiring a water shortage level implementation.
Table 5-1. Water Shortage Contingency - Rationing Stages
SHORTAGE LEVEL SUPPLY CONDITION
(% OF NORMAL) REDUCTION GOAL
Permanent Restriction
1 – Water Supply Alert 85 – 95% 10%
2 – Water Supply Shortage 70 – 84% 20%
3 – Critical Water Supply Shortage 60 – 69% 30%
4 – Severe Water Supply Shortage 50 – 59% 50%
5 – Emergency Water Supply Shortage <50% >50%
Figure 5-1. Water Shortage Levels Crosswalk
6.0 Shortage Response Actions
This section is in accordance with CWC 10632(a)(4) and 10632.5(a) and describes the response actions that may be implemented or considered for each level with emphasis to minimize social and economic impacts to the community.
In the event of a water shortage, the City will evaluate the cause of the shortage to help inform which response actions should be implemented. Depending on the nature of the water shortage, the City can elect to implement a combination of response actions to mitigate the shortage and reduce gaps between supply and demand. It should be noted that all actions listed for Level 1
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 9
apply to Level 2, 3, 4, and 5. Likewise, Level 2 actions apply to Levels 3, 4, and 5; Level 3 actions apply to Level 4 and 5; and Level 4 actions apply to Level 5. If necessary, the City may enact additional actions that are not listed in this WSCP. The following section discusses the potential response actions for each of the City’s five water supply shortage levels.
The City may implement response actions from one or more water shortage levels concurrently and may modify the timing, duration, or scope of such actions based on current supply conditions, operational constraints, or regulatory requirements. Response actions are illustrative and non-exhaustive, may be implemented individually or in combination, and may be modified or supplemented as necessary to protect public health, maintain water supply reliability, or comply with State or wholesale supplier directives.
Water shortage stages are declared via the city council’s approval of a Declaration of a Water Shortage Emergency at a public meeting per Water Code section 10632. The Declaration of a Water Shortage Emergency shall (1) be based upon findings and a determination that the ordinary demands and requirements of water consumers cannot be satisfied without depleting the water supply to the extent that there would be insufficient water for human consumption, sanitation, and fire protection; and (2) establish the applicable water shortage level. Based upon how conditions develop, the city manager or a designee may recommend that the city council declare a transition to a different water shortage level or stage as prescribed by the WSCP. Any transitions to different water shortage stages require City Council approval.
6.1.1 Demand Reduction
In compliance with CWC Section 10632(a)(4), the City’s WSCP specifies potential shortage response actions that align with the shortage levels defined in Table 5-1. In the event of a water supply shortage, the City may implement measures to induce water conservation. Potential conservation measures, which may be implemented individually or in combination, and may be modified or supplemented as necessary, are listed in Table 6-1. Estimated savings from quantifiable actions at each level are shown in Table 6-2.
The City will evaluate water shortage conditions on a case-by-case basis and determine which response actions are appropriate to maintain water supply reliability or mitigate other potential conditions. The City’s response to potential shortages may include increased public outreach, adjustments to water use efficiency programs, changes to typical operations, promoting voluntary actions to reduce demands, or exploring additional supply options.
Permanent water conservation measures are described in the City’s Municipal Code. Per Assembly Bill 1572, the use of potable water to irrigate nonfunction turf on publicly owned properties is prohibited beginning January 1, 2027. The use of potable water to irrigate nonfunction turf on commercial, industrial, and institutional properties is prohibited beginning January 1, 2028. The use of potable water to irrigate nonfunctional turf on publicly owned landscapes located within disadvantaged communities (DAC) is prohibited beginning January 1, 2031 or upon the date which a state funding source for turf conversion becomes available.
However, the use of potable water is not prohibited to the extent necessary to ensure the health of trees and perennial nonturf plantings or as necessary to address and immediate health and Shortage Response Actions
Water Shortage Contingency Plan- Draft | 10
safety need. The City will make appropriate changes to its Municipal Code to comply with the requirements of AB 1572 and support impacted customers to the extent feasible.
Table 6-1. DWR 8-3 Potential Demand Reduction Actions
Shortage
Level
Demand Reduction
Actions
How much is this
going to reduce
the shortage gap
(%)
1 Additional
Explanation or
Reference
Penalty, Charge, or
Other Enforcement?
1 Landscape - limit
landscape irrigation to
specific times
20% Irrigation is limited to
four days per week
and is restricted to
Monday, Wednesday,
Friday, and
Sunday. Exemptions
are set forth in Section
14.12.040 (A) of the
City Municipal Code.
Yes
2 Other 10% Water conservation
measures as
recommended by the
City Manager to City
Council
Yes
2 Landscape - limit
landscape irrigation to
specific times
20% Irrigation is limited to
three days per week.
Watering days are
determined by account
address. Addresses
ending with an even
number will be
permitted to water on
Tuesday, Thursday, and
Saturday. Addresses
ending with an odd
number will be
permitted to water on
Monday, Wednesday,
and
Friday. Exemptions are
set forth in Section
14.12.040 (A) of the
City Municipal Code.
Yes
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 11
Shortage
Level
Demand Reduction
Actions
How much is this
going to reduce
the shortage gap
(%) 1
Additional
Explanation or
Reference
Penalty, Charge, or
Other Enforcement?
2 Other - Customers must
repair leaks, breaks, and
malfunctions in a timely
manner
50% Leaks must be fixed
within 48 hours of
discovery or notice
from the City.
Yes
2 Water Features - Restrict
water use for decorative
water features, such as
fountains
Filling or refilling
ornamental lakes or
ponds is restricted to
sustaining aquatic life,
provided that such
aquatic life is of
significant value and
has been actively
managed within the
water feature prior to
the declaration of the
current water supply
conditions.
Yes
2 Other - Prohibit use of
potable water for
construction and dust
control
45% Recycled water must
be used, if available.
Yes
3 Other 20% Water conservation
measures as
recommended by the
City Manager to City
Council
Yes
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 12
Shortage
Level
Demand Reduction
Actions
How much is this
going to reduce
the shortage gap
(%) 1
Additional
Explanation or
Reference
Penalty, Charge, or
Other Enforcement?
3 Landscape - limit
landscape irrigation to
specific times
20% Irrigation is limited to
two days per week.
Watering days are
determined by account
address. Addresses
ending with an even
number will be
permitted to water on
Tuesday and Friday.
Addresses ending with
an odd number will be
permitted to water on
Monday and
Thursday. Exemptions
are set forth in Section
14.12.040 (A) of the
City Municipal Code.
Yes
4 Other 50% Water conservation
measures as
recommended by the
City Manager to City
Council
Yes
4 Landscape - other
landscape restriction or
prohibition
20% Watering with potable
water is prohibited.
except with recycled
water under restricted
conditions as defined in
Table 6-3 below.
Yes
4 Other - Customers must
repair leaks, breaks, and
malfunctions in a timely
manner
50% Leaks must be fixed
within 24 hours of
discovery or notice
from the City.
Yes
4 Other - Prohibit vehicle
washing except at
facilities using recycled or
recirculating water
17% Washing of vehicles is
prohibited except by
use of a commercial
car wash facility.
Yes
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 13
Shortage
Level
Demand Reduction
Actions
How much is this
going to reduce
the shortage gap
(%) 1
Additional
Explanation or
Reference
Penalty, Charge, or
Other Enforcement?
4 Other water feature or
swimming pool restriction
1% Refilling of more than
one foot and initial
filling of residential
swimming pools or
outdoor spas with
potable water is
prohibited.
Yes
4 Moratorium or Net Zero
demand increase on new
connections
No new potable water
service connections will
be provided, no new
temporary meters or
permanent meters will
be provided, and no
statements of
immediate ability to
serve or provide
potable water service
(such as will-serve
letters or letters of
water verification) will
be issued, except under
any of the exemptions
in Table 6-4 below.
Yes
4 Other No new annexations.
This does not apply to
boundary corrections
and annexations that
will not result in any
increased use of water.
Yes
5 Other Water conservation
measures as
recommended by the
City Manager to City
Council
Yes
5 Other Water rationing
requirement deemed
appropriate to protect
public health, safety,
and welfare.
Yes
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 14
Shortage
Level
Demand Reduction
Actions
How much is this
going to reduce
the shortage gap
(%) 1
Additional
Explanation or
Reference
Penalty, Charge, or
Other Enforcement?
5 Other Adjustments to actions
from previous stages as
necessary in
coordination with the
Emergency Response
Plan. Adjustments will
depend upon the
severity and duration
of the water shortage.
Yes
1. Reduction in the shortage gap is estimated and can vary significantly.
Table 6-2. Estimated Savings by Shortage Level
LEVEL NORMAL SUPPLY, AF REQUIRED SAVINGS 1,
AF
ESTIMATED SAVINGS2
FROM QUANTIFIABLE
ACTIONS, AF
1 7,164 716 839
2 7,164 1,433 1,271
3 7,164 2,149 1,609
4 7,164 2,866 1,703
5 7,164 3,582 1,703
1. Required savings may be met through a combination of quantifiable and unquantifiable actions, including outreach efforts. The City will only implement measures to the extent necessary to mitigate a water shortage, though estimates may indicate a greater savings is obtainable.
2. Quantifiable savings are estimated based on various published sources and are provided as a guide.
The degree of implementation of actions can vary in each stage and can result in a wide range of savings. For a list of all the City’s specific shortage response actions and their maximum potential savings, refer to Table 6-1.
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 15
Table 6-3. Potential Recycled Water Uses During Stage 4 Water Supply Condition 1 Maintenance of vegetation, including trees and shrubs (but excluding turf), that is watered using a hand-held bucket or similar container, hand-held hose equipped with a positive self-closing water shut-off nozzle or device. 2 Maintenance of existing landscape necessary for fire protection. 3 Maintenance of existing landscape for soil erosion control. 4 Maintenance of plant materials identified to be rare or essential to the well-being of protected species.
5 Maintenance of landscaped areas within active public parks and playing fields, day care centers, golf course greens, and school grounds, provided that such irrigation does not exceed two days per week according to the schedule and times established in Section
14.12.040(A).
6 Actively irrigated environmental mitigation projects
Table 6-4. Potential New Connection Moratorium Exemptions 1 A valid, will-serve letter has been issued
2 A valid, unexpired building permit has been issued for the project 3 The project is a City capital project
4 The project is necessary to protect the public health, safety, and welfare 5 The project is a temporary use that will not cumulatively use more than one-quarter acre foot of water
6.1.2 Supply Augmentation
Given the City’s sufficient supply, the City has no immediate plan to augment supply in response to shortages.
6.1.3 Operational Changes
During shortage conditions, operations may be affected by demand reduction responses.
Operational changes to address a short-term water shortage may be implemented based on the severity of the reduction goal. During large-scale drought conditions, additional State or regional mandatory restrictions may be implemented and require operational changes. The City will maximize its supply by implementing operational strategies and demand reduction measures.
As part of the Annual Assessment process, the City may consider their operational procedures at the time of a shortage to identify changes that can be implemented to address water shortage on a short-term basis, including but not limited to:
• Expansion of a public information campaign to inform customers of the water shortage emergency and required water savings.
• Decrease line flushing to only on a compliant basis.
Shortage Response Actions
Water Shortage Contingency Plan- Draft | 16
• Use water patrols and increase frequency of meter reading by recruiting staff from other departments, if necessary.
• Offer water use surveys.
• Implement or modify drought rate structure or surcharge. • Monitor construction meters and fire hydrant meters for efficient water use if a meter identified wastes water.
• Reduce overhead in the short-term and mid-term by deferring non-critical CIP and major maintenance expenditures.
• Reduce overhead in the long-term by adjusting operational and staffing levels and retail water rate structures to incorporate the reality of lower retail water sales than previously anticipated.
• Decrease in the level or, if need be, a total interruption in the expenditures for the City’s facility replacement program.
6.1.4 Additional Mandatory Restrictions
The City’s Municipal Code and Section 6.1.1 describe that the City may mandate additional water conservation measures as deemed appropriate for the relevant shortage conditions and stage. Therefore, the City has capability to respond to unforeseen conditions, such as State or regional mandatory restrictions.
6.1.5 Emergency Response Plan
The City has included emergency conditions as a triggering action for advancement to a subsequent shortage level. A catastrophic interruption could be considered an emergency condition. The City also has an Emergency Response Plan with relevant responses in Sections
4.6 and 4.7 of that document.
6.1.6 Seismic Risk Assessment and Mitigation Plan
Disasters, such as earthquakes, can and will occur without notice. Refer to the 2022 Ventura County Multi-Hazard Mitigation Plan (https://ready.venturacounty.gov/county-plans/) for the Seismic Risk Assessment and Mitigation Plan procedures.
6.1.7 Shortage Response Action Effectiveness
The City’s water system currently has water meters on all production sources and customer connections. These meters record the amount of water consumed at each location.
Customer consumption totals are tallied monthly for billing purposes. The Water Superintendent will inform the Public Works Director of any increase in water consumed or decrease in water supplies. The Public Works Director will then make recommendations to the City Manager on whether to change water shortage levels and will provide supporting reports of consumption or supply as required.
Under normal water supply conditions, potable water production figures are recorded daily and totals are reported monthly. From this information, month-to-month and year-to-year statistics Communication Protocols
Water Shortage Contingency Plan- Draft | 17
can be calculated to track water use and subsequent increases or reductions in consumption levels. This data allows the City to determine the effectiveness of the implemented shortage response actions. If reduction goals are not being met, the City Council can make the necessary decisions for corrective action to be taken, or the City Manager can send a letter with recommended change for Council ratification.
During water shortages, savings are measured in comparison to what is considered to be normal year demand (i.e., current customer base with approximately average rainfall), or in reference to a specific base year as may be dictated by Statewide requirements. Estimates of the effectiveness for actions has been included in Table 6-1 and summarized in Table 6-2. It is assumed that a given required shortage to be addressed in each level can be met by quantifiable measures, and the remainder of shortage can be addressed by unquantifiable measures, operational changes, and supply augmentation. It is expected that response action effectiveness is also a result of successful communication and outreach efforts.
7.0 Communication Protocols
This section is in accordance with CWC 10632(a)(5) and describes the communication protocols and procedures to inform customers, the public, and state and local officials of any current or predicted water shortages. When a shortage level is enacted or changed, a notice is published in the local newspaper and the City’s website is updated. Based on the severity of the shortage, the City may also advertise on the local radio, disseminate the notice in special publications, post billboards throughout the service area, hang door tags, or send mail notifications to all of its customers. This WSCP includes a staged plan to provide guidance for efficient communication of a shortage level, inform regarding restrictions, and provide updates during a water shortage, as shown in Table 7-1.
Communication Protocols
Water Shortage Contingency Plan- Draft | 18
Table 7-1. Communication Protocol During Water Shortage Conditions Level Action*
1 Post information on the City’s website: https://www.cityofcamarillo.org/) 2 Increase paid advertising – place-based print, digital, radio, billboards, TV, streaming services, social media, etc.
2 Hold a news conference or other event to announce and explain the change in the WSCP level or general water conservation tactics.
2 Modify school assembly program content to include messages about need for increased voluntary conservation.
2 Include information in utility bill inserts or other mailings on a regular basis. 2 Hang door tags with information throughout the service area. 2 Conduct targeted outreach and technical assistance to the highest water users in each classification.
2 Engage Council members and provide them with resources to share with constituents.
3 Increase paid advertising – print, digital, radio, TV, streaming, social media, movie theatres, buses, etc.
4 Assemble and promote the speaker’s bureau for water shortage presentations for neighborhood groups, gardening clubs, HOAs, churches, senior centers, neighborhood associations, business associations, community groups, property management companies, etc.
4 Increase coordination with the local landscaping industry, including water shortage information in their newsletters, publications, and facilities. Increase communication with local wholesale and retail nurseries and irrigation supply stores. 5 Post signage at nurseries and irrigation supply stores. 5 Mail outreach materials and drought notices to the hospitality industry, including restaurants, bar, and lodging.
*If a water shortage progresses through multiple levels, all measures in the previous level(s) are implemented in addition to current level actions.
Compliance and Enforcement
Water Shortage Contingency Plan- Draft | 19
8.0 Compliance and Enforcement
The penalties for violating the conservation measures listed in the City’s Municipal Code and those included in a Declaration of a Water Shortage Emergency are as follows (violations must be within a year of each other to count as a subsequent violation). • First Violation: written warning.
• Second Violation: fine not to exceed $100.
• Third Violation: fine not to exceed $500.
• Fourth and Subsequent Violations: fine not to exceed $1,000 and installation of a flow restriction device.
The City also includes termination of service as a penalty for willful violation of the Municipal Code.
The Municipal Code includes an appeal process by which administrative review can be requested of a penalty. Once an administrative review has been completed, an appeal hearing can be requested. The decision of the appointed hearing officer will be final.
9.0 Legal Authority
All mandatory restrictions, enforcement actions, penalties, and appeal procedures associated with this WSCP shall be implemented pursuant to Chapter 14.12 of the Camarillo Municipal Code, which is incorporated herein by reference.
The Municipal Code provides existing authorization for water use restrictions and prohibitions and may be revised based on options identified in this WSCP to become effective upon Declaration of a Water Shortage Emergency. The Municipal Code provides the City with the authority to declare a water shortage emergency and by CWC Sections 375-378 to adopt water conservation programs. Under State law, the City is authorized after declaration of a water shortage emergency to restrict the water uses and to prohibit the waste or use of the City’s water during such periods for any purpose other than domestic use, sanitation, fire protection, or such other uses as may be determined by the City Council.
Once the City Council has invoked the WSCP and made a Declaration of a Water Shortage Emergency pursuant to the Municipal Code, the city manager or a designee is authorized to implement and enforce measures established therein. The City shall coordinate with Ventura County, within which it provides water supply services, for the possible proclamation of a local emergency, as defined in Section 8558 of the Government Code.
Financial Consequences of WSCP Implementation
Water Shortage Contingency Plan- Draft | 20
10.0 Financial Consequences of WSCP
Implementation
The majority of operating costs for most water agencies are fixed rather than a function of the amount of water sold. As a result, when significant conservation programs are undertaken, it is frequently necessary to raise water rates because the revenue generated is based on lower total consumption while the revenue required is essentially fixed. Additionally, costs to reduce excessive residential water use can increase. To counteract the financial impact of conservation in times of declared shortage, the City may institute water shortage surcharge rates (sometimes referred to as drought rates or drought surcharges) as an additional tool for the City’s Water Enterprise Fund. Another option would be the use of reserves to minimize the need for additional rate increases.
Some actions the City may choose to consider include temporarily increasing water rates or delaying capital improvements until the shortage has ended.
11.0 Monitoring and Reporting
This section is in accordance with CWC 10632(a)(9) and describes the reporting requirements and monitoring procedures to implement the WSCP and track and evaluate the response actions effectives.
As described in Section 2.0, the City intends to track its supplies and project demands on an annual basis, and if shortage conditions described in Table 5-1 are projected, the City may invoke their WSCP. Monitoring demands is essential to ensure the WSCP response actions are adequately meeting reductions and decreasing the shortage gap. This will help to analyze the effectiveness of the WSCP or identify the need to activate additional response actions.
The water savings from implementation of the WSCP will be determined based on monthly production reports, which will be compared to the supply from prior months, the same period of the prior year, and/ or the allocation. At first, the cumulative consumption for the various sectors (e.g., residential, commercial, etc.) will be evaluated for reaching the target demand reduction level. Then, if needed, individual accounts will be monitored. Weather and other possible influences may be accounted for in the evaluation.
12.0 WSCP Refinement Procedures
This section is consistent with CWC 10632 (a)(10). The WSCP is best prepared and implemented as an adaptive management plan. The City will use results obtained from the monitoring and reporting program to evaluate any needs for revisions. The WSCP is used to Special Water Feature Distinction
Water Shortage Contingency Plan- Draft | 21
provide guidance to the Council, staff, and the public by identifying response actions to allow for efficient management of any water shortage with predictability and accountability.
To maintain a useful and efficient standard of practice in water shortage conditions, the requirements, criteria, and response actions need to be continually evaluated and improved upon. This is to ensure that its shortage risk tolerance is adequate and the shortage response actions are effective and up-to-date based on lessons learned from implementing the WSCP.
Potential changes to the WSCP that could warrant an update include, but are not limited to:
1. Any changes to shortage level triggers,
2. Changes to the shortage level structure, and/or
3. Changes to the response actions.
Any substantial prospective changes to the WSCP would need to be presented at a public hearing. Staff would obtain any comments, and City Council would adopt the updated WSCP.
The steps to formally amend the WSCP are discussed in Section 14.0.
Potential refinements will be documented and integrated in the next WSCP update. If new response actions are identified by staff or public, they could be advertised as voluntary actions until formally adopted as mandatory.
13.0 Special Water Feature Distinction
CWC 10623 (b) requires that suppliers analyze and define water features that are artificially supplied with water (including ponds, lakes, waterfalls, and fountains) separately from swimming pools and spas, as defined in subdivision (a) of Section 115921 of the Health and Safety Code.
Non-pool or non-spa water features may use or be able to use recycled water, whereas pools and spas must use potable water for health and safety considerations; limitations to pools and spas may require different considerations compared to non-pool or non-spa water features.
At all times, re-circulated water must be used to operate ornamental fountains or other decorative water features. Under certain conditions, there may be Limits on Filling Ornamental Lakes or Ponds. Filling or refilling ornamental lakes or ponds may prohibited except to the extent needed to sustain aquatic life, provided that such aquatic life is of significant value and has been actively managed within the water feature prior to declaration of a water shortage. At other shortage levels, there may be Limits on Filling Residential Swimming Pools and Spas.
Refilling of more than one foot and initial filling of residential swimming pools or outdoor spas with potable water may prohibited.
Plan Adoption, Submittal, and Availability
Water Shortage Contingency Plan- Draft | 22
14.0 Plan Adoption, Submittal, and
Availability
This section was completed pursuant to CWC 10632(a)(c). Because the WSCP is a standalone document that can be updated as needed, Section 14.0 describes the general steps to adopt and submit an updated or amended WSCP.
This 2025 WSCP was presented for public hearing and adoption to the City Council at the June 24, 2026 meeting. Notifications were sent to all necessary cities and counties 60 days prior to the public City Council meeting. To comply with the notice to the public, the City published notices in the local newspaper two weeks prior to the public hearing. Copies of the 60-day notices and public hearing newspaper notices are provided in Attachment 1. The WSCP was also made available in advance of the public hearing.
The WSCP was formally adopted on June 24, 2026 by the City Council through a resolution included in Attachment 2. The WSCP was made available to all staff, customers, and any affected cities, counties, or other members of the public at the City and online within 30 days of the adoption date.
The WSCP was submitted to DWR via the Water Use Efficiency (WUE) Data Portal at the same time as the 2025 UWMP. A copy of the 2025 UWMP and WSCP were submitted to the California State Library within 30 days of adoption. Electronic and/or hard copies were provided to all relevant cities and counties within or affected by the City’s service area within 30 days of adoption.
Table 14-1. Processes and Steps to Adopt, Submit, and Implement the WSCP Step Task Description Timeframe
1 Notice to
cities and
counties
Notify cities and counties within the service area that the WSCP is being updated. It is recommended that the
notice includes:
Time and place of public hearing.
Location of the draft Plan, latest revision schedule, and contact information of the Plan preparer.
At least 60 days before
public hearing.
*If desired, advance notices
can be issued without
providing time and place of
public hearing.
2 Publish Plan Publish the draft WS CP in advance of public hearing meeting
(https://www.ci.camarillo.ca.us/departments/public_wo
rks/water)
At least 2 weeks before
public hearing.
3 Notice to
the public
Publish two notifications of the public hearing in a local newspaper notice at least once a week for two
At least 2 weeks before
public hearing.
Plan Adoption, Submittal, and Availability
Water Shortage Contingency Plan- Draft | 23
Step Task Description Timeframe
consecutive weeks, with at least 5 days between
publications. This notice must include:
Time and place of hearing.
Location of the draft WSCP.
* Include a copy of public
notices in plan.
4 Public
hearing
and
optional
adoption
Host at least one public hearing before adopting the
WSCP to:
Allow for community input.
Consider the economic impacts for complying with the
Plan.
Public hearing date
* Adoption can be combined
as long as public hearing is
on the agenda before
adoption
5 Adoption Before submitting th e WSCP to DWR, the governing body must formally adopt it. An adoption resolution
must be included, as an Appendix or as a web address
indicating where the adoption resolution can be found
online.
At public hearing or at a
later meeting.
*The WSCP can be adopted
as prepared or as modified
after the hearing.
6 Plan
submittal
Submit the adopted or amended WSCP via the WUE
Data Portal within 30 days of adoption or by July 1, if updated with the UWMP five-year cycle.
Within 30 days of adoption
or by July 1st, whichever
comes first.
7 Plan
availability
Submit a copy of the adopted WSCP to the California
State Library within 30 days of adoption.
California State Library Government Publications
Section Attention: Coordinator, Urban Water
Management Plans P.O. Box 942837 Sacramento, CA
94237-0001
Provide a copy (hardcopy or electronic) of the adopted
WSCP to any cities and counties within the service area.
Make the WSCP available to the public by posting the
Plan on website or making a hardcopy available for
public review during normal business hours.
Within 30 days after
adoption
8 Other -
Notification
to Public
Utilities
Commission
For water suppliers regulated by the California Public
Utilities Commission submit UWMP and WSCP as part
of the general rate case filing.
City of Camarillo References
Water Shortage Contingency Plan- Draft 24
References
American Water Works Association. (2019). Manual of Water Supply Practices, Drought Preparedness and Response.
State of California Department of Water Resources. (2026). Urban Water Management Plan Guidebook.
Water Systems Consulting Inc. (June 2026). City of Camarillo 2025 Urban Water Management Plan.
City of Camarillo Attachment 1 60-Day and Public
Hearing Notices
Water Shortage Contingency Plan- Draft A-1
Attachment 1 60-Day and Public Hearing
Notices
February 27, 2026
Paul Chan, PE, CEM, Water & Sanitation Director
Ventura County Public Works Agency
Water and Sanitation Department
P.O. Box 250
Moorpark, CA, 93020-0250
Also sent via email to:
[email protected]
SUBJECT: City of Camarillo – Notice of Preparation of the 2025 Urban Water Management Plan and Water Shortage Contingency Plan
Dear Mr. Chan:
The City of Camarillo is in the process of preparing and updating its 2025 Urban Water Management Plan (UWMP) and Water Shortage Contingency Plan (WSCP) in compliance with the Urban Water Management Planning Act. An update of the City of Camarillo’s UWMP is required every five (5) years.
Water Code section 10621(b) requires an urban water supplier updating its UWMP and WSCP to notify cities and counties within its service area of the update at least sixty (60) days prior to holding a public hearing thereby encouraging public involvement and agency coordination. This letter serves as City of Camarillo‘s notice that it is preparing and updating its 2025 UWMP and WSCP.
A copy of the City of Camarillo’s draft 2025 UWMP and WSCP will be available for review when the Notice of Public Hearing is formally noticed as required in Water Code Section 10642, and will be available at the City Clerk’s counter at Camarillo City Hall, located at 601 Carmen Drive, Camarillo, California, 93010 and online at www.cityofcamarillo.org/meetinginfo. The City of Camarillo is anticipated to hold the public hearing and adoption of the 2025 UWMP and WSCP on Wednesday, May 27, 2026, at 5:00 p.m., or soon thereafter, in the Council Chambers, 601 Carmen Drive, Camarillo, California, 93010.
If you have any questions or input regarding these documents either prior to their availability for review, or when they become publicly available as noted above, please contact Eric Maple via email at [email protected] or by phone at (805) 383-5673 to discuss any concerns or input you may have as early as possible.
Sincerely,
Eric Maple
Water Resources Manager
Department of Public Works – Water Resources
(805) 383-5673
[email protected]
Sincerely,
Eric Maplell
NOTICE OF PUBLIC HEARING
NOTICE IS HEREBY GIVEN that the City Council of the City of Camarillo will conduct a public hearing on Tuesday, June 24, 2026, at 5:00 p.m., in the Council Chambers, 601 Carmen Drive, Camarillo, California, to consider the 2025 URBAN WATER MANAGEMENT PLAN AND 2025 WATER SHORTAGE CONTINGENCY PLAN.
California Water Code Section 10610 et seq., requires the City to update its Urban Water Management Plan (UWMP) at least once every five years and periodically review its Water Shortage Contingency Plan. The City Council will consider a Resolution to adopt the 2025 UWMP and WSCP, which incorporate new and updated information regarding long-term water supply reliability and drought response strategies.
Draft copies of the 2025 UWMP and WSCP are available for public review on June 5 , 2026, at the Public Works Counter, 601 Carmen Drive, Camarillo, CA 93010, and on the City’s website at cityofcamarillo.org/reports.
Any person interested in these matters is invited to attend and present testimony either for or against the Council’s adoption. If you challenge the proposed action in court, you may be limited to raising only those issues you or someone else raised at the public hearing described in this notice or in written correspondence delivered to the City Council at or prior to the public hearing.
For additional information, please contact the City of Camarillo Water Resource Division at (805) 388-5340.
City of Camarillo Attachment 2 Adoption Resolution
Water Shortage Contingency Plan- Draft A-2
Attachment 2 Adoption Resolution
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