Water and Wastewater Treatment Plant and System Operators take-home pay in Illinois
The median water and wastewater treatment plant and system operators in Illinois earns $67,810. After taxes that leaves about $53,178 a year, or $4,431 a month. Your effective tax rate is about 21.6%.
$53,178 take-home a year
| Gross pay | $67,810 |
| Federal income tax | −$6,088 |
| Social Security + Medicare | −$5,187 |
| Illinois income tax (approx.) | −$3,357 |
| Monthly take-home | $4,431 |
| Every two weeks | $2,045 |
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 Illinois