Water and Wastewater Treatment Plant and System Operators salary in Illinois
The median water and wastewater treatment plant and system operators in Illinois earns $67,810 a year, 13% above the US median. After tax that is roughly $4,431 a month.
- 10th percentile
- $42,240
- 25th percentile
- $55,260
- Median percentile
- $67,810
- 75th percentile
- $83,140
- 90th percentile
- $103,690
Based on 3,500 employed. Data period: BLS OEWS May 2025. Percentiles show the spread of pay, not experience; reading the 25th percentile as "entry level" is only an approximation.
What you keep
$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 |
Does it go far here?
$67,838Median pay in Illinois is worth this at average US prices (local price level 100.0 vs 100).
29%of take-home pay goes to the median rent ($1,274 a month, Census ACS).
Top-paying jobs in Illinois
| Job | Median pay |
|---|---|
| Surgeons, All Other | $438,010 |
| Chief Executives | $331,920 |
| Airline Pilots, Copilots, and Flight Engineers | $293,490 |
| Nurse Anesthetists | $286,830 |
| Ophthalmologists, Except Pediatric | $284,630 |
| Psychiatrists | $258,740 |
| Family Medicine Physicians | $245,120 |
| Emergency Medicine Physicians | $239,200 |
All water and wastewater treatment plant and system operators salaries · Take-home pay in Illinois