Water shortage rate calculator
IRWD’s Water Shortage Contingency Plan (WSCP), adopted in June 2021, allows the District to strategically reduce water use through a number of potential actions that are staged depending upon the severity of water shortages. The WSCP incorporates six standard water shortage levels beginning with Level 1 and corresponding to progressive ranges of up to 10%, 20%, 30%, 40%, 50%, and greater shortages (Level 6).
Where to find your meter size on your bill:
| CCFs | per CCF | Cost |
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How to read this: Higher shortage levels reduce your outdoor water budget, so the same water use falls into the higher-priced tiers. Figures use current FY 2025-26 rates; the District has not adopted separate per-level shortage rates. Recycled-water landscape budgets are not reduced under the WSCP. At Levels 5 and 6 the outdoor budget is zero.
This calculator is for estimating only. If you need assistance or have specific questions about your water bill, please contact an IRWD Customer Service Specialist at CustomerService@IRWD.com or call 949-453-5300. Rates effective July 1, 2025 (FY 2025-26).