How Much Do Water and Wastewater Treatment Plant and System Operators Make in Louisiana?
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 Louisiana earns $46,210 per year and takes home $38,310 ($3,192/month) — a keep-rate of 82.9%, with 2,450 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $3,850.83 |
| Federal income tax | $280.43 |
| Social Security | $238.75 |
| Medicare | $55.84 |
| Louisiana state income tax | $83.34 |
| You keep | $3,192.48 |
How much do Water and Wastewater Treatment Plant and System Operators make in Louisiana?
The median Water and Wastewater Treatment Plant and System Operators in Louisiana earns $46,210 per year (BLS May 2025), about $22.22 per hour.
What is that after taxes?
$46,210 gross in Louisiana keeps $38,310 after federal income tax ($3,365), FICA ($3,535) and state income tax ($1,000) — $3,192 per month, a 82.9% keep-rate.
How does Louisiana compare to the national median for Water and Wastewater Treatment Plant and System Operators?
The Louisiana median is $13,810 below 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 · Louisiana paycheck calculator · Louisiana minimum wage