Water and Wastewater Treatment Plant and System Operators take-home pay in Hawaii
The median water and wastewater treatment plant and system operators in Hawaii earns $65,560. After taxes that leaves about $49,940 a year, or $4,162 a month. Your effective tax rate is about 23.8%.
$49,940 take-home a year
| Gross pay | $65,560 |
| Federal income tax | −$5,687 |
| Social Security + Medicare | −$5,015 |
| Hawaii income tax (approx.) | −$4,917 |
| Monthly take-home | $4,162 |
| Every two weeks | $1,921 |
Estimate for a single filer taking the standard deduction, 2026 federal rules. State tax uses an approximate effective rate; local taxes and pre-tax deductions are not included.
Water and Wastewater Treatment Plant and System Operators salary in Hawaii