California Water Service Group Operating Margin Growth & History (CWT)
California Water Service Group's operating margin was 17.68% for fiscal 2025.
View full California Water Service Group company overviewCalifornia Water Service Group annual operating margin history
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
| Fiscal year | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| 2025 | 2025-12-31 | 17.68% | −7.17 pp |
| 2024 | 2024-12-31 | 24.85% | +15.09 pp |
| 2023 | 2023-12-31 | 9.76% | −6.76 pp |
| 2022 | 2022-12-31 | 16.52% | −0.03 pp |
| 2021 | 2021-12-31 | 16.56% | −3.04 pp |
| 2020 | 2020-12-31 | 19.59% | +4.63 pp |
| 2019 | 2019-12-31 | 14.96% | −1.42 pp |
| 2018 | 2018-12-31 | 16.38% | −0.82 pp |
| 2017 | 2017-12-31 | 17.20% | +3.19 pp |
| 2016 | 2016-12-31 | 14.02% | — |
California Water Service Group quarterly operating margin
Q1.17
Q2.17
Q3.17
Q4.17
Q1.18
Q2.18
Q3.18
Q4.18
Q1.19
Q2.19
Q3.19
Q4.19
Q1.20
Q2.20
Q3.20
Q4.20
Q1.21
Q2.21
Q3.21
Q4.21
Q1.22
Q2.22
Q3.22
Q4.22
Q1.23
Q2.23
Q3.23
Q4.23
Q1.24
Q2.24
Q3.24
Q4.24
Q1.25
Q2.25
Q3.25
Q4.25
Q1.26
Q2.26
| Fiscal quarter | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| Q2 2026 | 2026-06-30 | 25.50% | +5.28 pp |
| Q1 2026 | 2026-03-31 | 9.20% | −3.03 pp |
| Q4 2025 | 2025-12-31 | 12.15% | −2.65 pp |
| Q3 2025 | 2025-09-30 | 22.48% | +0.69 pp |
| Q2 2025 | 2025-06-30 | 20.22% | −1.03 pp |
| Q1 2025 | 2025-03-31 | 12.23% | −38.06 pp |
| Q4 2024 | 2024-12-31 | 14.80% | −3.03 pp |
| Q3 2024 | 2024-09-30 | 21.80% | +4.64 pp |
| Q2 2024 | 2024-06-30 | 21.25% | +13.04 pp |
| Q1 2024 | 2024-03-31 | 50.29% | +62.35 pp |
| Q4 2023 | 2023-12-31 | 17.84% | +2.96 pp |
| Q3 2023 | 2023-09-30 | 17.16% | −10.10 pp |
| Q2 2023 | 2023-06-30 | 8.21% | −5.52 pp |
| Q1 2023 | 2023-03-31 | −12.07% | −17.82 pp |
| Q4 2022 | 2022-12-31 | 14.87% | +8.66 pp |
| Q3 2022 | 2022-09-30 | 27.26% | −2.59 pp |
| Q2 2022 | 2022-06-30 | 13.74% | −6.15 pp |
| Q1 2022 | 2022-03-31 | 5.75% | +3.76 pp |
| Q4 2021 | 2021-12-31 | 6.21% | −8.71 pp |
| Q3 2021 | 2021-09-30 | 29.85% | −17.82 pp |
| Q2 2021 | 2021-06-30 | 19.88% | +12.64 pp |
| Q1 2021 | 2021-03-31 | 1.99% | +7.13 pp |
| Q4 2020 | 2020-12-31 | 14.92% | +2.55 pp |
| Q3 2020 | 2020-09-30 | 47.67% | +23.69 pp |
| Q2 2020 | 2020-06-30 | 7.24% | −8.89 pp |
| Q1 2020 | 2020-03-31 | −5.13% | −5.54 pp |
| Q4 2019 | 2019-12-31 | 12.37% | −4.30 pp |
| Q3 2019 | 2019-09-30 | 23.99% | +1.40 pp |
| Q2 2019 | 2019-06-30 | 16.13% | +0.51 pp |
| Q1 2019 | 2019-03-31 | 0.41% | −6.92 pp |
| Q4 2018 | 2018-12-31 | 16.67% | +1.29 pp |
| Q3 2018 | 2018-09-30 | 22.59% | +0.30 pp |
| Q2 2018 | 2018-06-30 | 15.62% | −1.66 pp |
| Q1 2018 | 2018-03-31 | 7.33% | −3.30 pp |
| Q4 2017 | 2017-12-31 | 15.38% | — |
| Q3 2017 | 2017-09-30 | 22.28% | — |
| Q2 2017 | 2017-06-30 | 17.29% | — |
| Q1 2017 | 2017-03-31 | 10.63% | — |
California Water Service Group operating margin trends
Over the last five fiscal years, California Water Service Group's operating margin decreased from 19.59% to 17.68%, a change of −1.91 percentage points. The latest reported quarter, Q2 2026, shows 25.50%.
About the metric
What operating margin means
Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.
Calculation and source
How operating margin is calculated
TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.
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