Water and Wastewater Treatment Plant and System Operators take-home pay in Washington
The median water and wastewater treatment plant and system operators in Washington earns $80,800. After taxes that leaves about $65,673 a year, or $5,473 a month. Your effective tax rate is about 18.7%.
$65,673 take-home a year
| Gross pay | $80,800 |
| Federal income tax | −$8,946 |
| Social Security + Medicare | −$6,181 |
| Washington income tax (approx.) | −$0 |
| Monthly take-home | $5,473 |
| Every two weeks | $2,526 |
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 Washington