How Much Do Water and Wastewater Treatment Plant and System Operators Make in California?
Median wage from BLS May 2025 — and the after-tax number the salary sites skip. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data and 2026 tax law, the median Water and Wastewater Treatment Plant and System Operators in California earns $81,770 per year and takes home $62,980 ($5,248/month) — a keep-rate of 77%, with 11,630 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $6,814.17 |
| Federal income tax | $763.27 |
| Social Security | $422.48 |
| Medicare | $98.81 |
| California state income tax | $281.25 |
| You keep | $5,248.36 |
How much do Water and Wastewater Treatment Plant and System Operators make in California?
The median Water and Wastewater Treatment Plant and System Operators in California earns $81,770 per year (BLS May 2025), about $39.31 per hour.
What is that after taxes?
$81,770 gross in California keeps $62,980 after federal income tax ($9,159), FICA ($6,255) and state income tax ($3,375) — $5,248 per month, a 77% keep-rate.
How does California compare to the national median for Water and Wastewater Treatment Plant and System Operators?
The California median is $21,750 above the national median of $60,020.
Water and Wastewater Treatment Plant and System Operators salary in every state · California paycheck calculator · California minimum wage