IRWD’s 2025 WSCP addresses each of these requirements and is organized into the following sections:
Section 1 – Analysis of Supply Reliability and Seismic Risk Assessment Section 2 – Annual Water Supply and Demand Assessment Procedures Section 3 – Six Standard Shortage Stages Section 4 – Additional Shortage Response Actions Section 5 – Communication Protocols Section 6 – Compliance and Enforcement Section 7 – Legal Authorities
Section 8 – Financial Consequences Section 9 – Monitoring and Reporting Section 10 – WSCP Refinement Procedures Exhibit A – Draft Water Shortage Contingency Resolution
Exhibit B – EPA Emergency Response Plan (ERP) Certification Receipt and Confirmation Exhibit C – Orange County Water and Wastewater Multi-Jurisdictional Hazard Mitigation Plan 8.3 Copy of DWR Tables For guidance in fulfilling the WSCP requirements, DWR provided DWR Table 8-1 “Water Shortage Contingency Plan Levels”, DWR Table 8-2 “Demand Reduction Actions” and DWR Table 8-3 “Supply Augmentation and Other Actions.” Due to the organizational structure of IRWD’s WSCP, these tables were restructured to represent additional complexity and clarify information across shortage levels in the WSCP provided in Appendix D . Copies of the main DWR Tables and relevant information are provided below to demonstrate compliance with these requirements and summarize essential WSCP information. Table 8-1 indicates IRWD WSCP Levels, demand reduction actions considered by each level, as well as the type of response (e.g., voluntary, rate-based, end-use prohibitions, operational measures, and mandatory measures) as well as the estimated water savings.
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IRWD – 2025 Urban Water Management Plan
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