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California Water Service (CWT) operating margin by quarter
California Water Service's operating margin was 25.0% in Q3 2026 (third quarter 2026), -0.5 pts from Q2 2026. Over the last 7 quarters it ranged from 9.2% (Q1 2026) to 25.5% (Q2 2026).
| Quarter | Operating margin | Q/Q | Y/Y |
|---|---|---|---|
| Q3 2026 | 25.0% | -0.5 pts | +2.5 pts |
| Q2 2026 | 25.5% | +16.3 pts | +5.3 pts |
| Q1 2026 | 9.2% | -2.9 pts | -3.0 pts |
| Q4 2025 | 12.2% | -10.3 pts | — |
| Q3 2025 | 22.5% | +2.3 pts | — |
| Q2 2025 | 20.2% | +8.0 pts | — |
| Q1 2025 | 12.2% | — | — |
Q3 2026 at a glance
California Water Service, Q3 2026: revenue $331M (+5% year over year), operating margin 25.0%, net earnings $65.4M, operating cash flow $149M. The chart follows the revenue to costs, profit and cash.
Questions
What is California Water Service's operating margin?
California Water Service's operating margin was 25.0% in Q3 2026 (third quarter 2026), -0.5 pts from Q2 2026.
How has California Water Service's operating margin changed?
Over the last 7 quarters it ranged from 9.2% (Q1 2026) to 25.5% (Q2 2026).
Q3 2026 results → · How California Water Service makes money →