How Much Do Water and Wastewater Treatment Plant and System Operators Make in Maryland?
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 Maryland earns $61,870 per year and takes home $49,317 ($4,110/month) — a keep-rate of 79.7%, with 1,770 employed in the state.
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| Gross pay | $5,155.83 |
| Federal income tax | $437.03 |
| Social Security | $319.66 |
| Medicare | $74.76 |
| Maryland state income tax | $214.60 |
| You keep | $4,109.78 |
How much do Water and Wastewater Treatment Plant and System Operators make in Maryland?
The median Water and Wastewater Treatment Plant and System Operators in Maryland earns $61,870 per year (BLS May 2025), about $29.75 per hour.
What is that after taxes?
$61,870 gross in Maryland keeps $49,317 after federal income tax ($5,244), FICA ($4,733) and state income tax ($2,575) — $4,110 per month, a 79.7% keep-rate.
How does Maryland compare to the national median for Water and Wastewater Treatment Plant and System Operators?
The Maryland median is $1,850 above the national median of $60,020.
Which state pays Water and Wastewater Treatment Plant and System Operators the most?
California has the highest median gross for Water and Wastewater Treatment Plant and System Operators at $81,770 — but compare take-home, not gross: state taxes change the order.
Water and Wastewater Treatment Plant and System Operators salary in every state · Maryland paycheck calculator · Maryland minimum wage