As of May 01, 2025, the average annual salary for a Senior Waste Water Treatment Technician in Illinois is $60,300. Salary.com reports that pay typically ranges from $52,100 to $68,800, with most professionals earning between $44,634 and $76,539.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $68,800 | $5,733 | $1,323 | $33 |
| Average | $60,300 | $5,025 | $1,160 | $29 |
| 25th Percentile | $52,100 | $4,342 | $1,002 | $25 |
An entry-level Senior Waste Water Treatment Technician with under 1 year experience makes about $56,646. With less than 2 years of experience, a mid-level Senior Waste Water Treatment Technician makes around $57,262. After 2-4 years, the Senior Waste Water Treatment Technician pay rises to about $58,494. Those senior Senior Waste Water Treatment Technician with 5-8 years of experience earn roughly $60,343, and those Senior Waste Water Treatment Technician having 8 years or more experience are expected to earn about $63,499 on average.
| Levels | Salary |
|---|---|
| Entry Level Senior Waste Water Treatment Technician | $56,646 |
| Intermediate Level Senior Waste Water Treatment Technician | $57,262 |
| Senior Level Senior Waste Water Treatment Technician | $58,494 |
| Specialist Level Senior Waste Water Treatment Technician | $60,343 |
| Expert Level Senior Waste Water Treatment Technician | $63,499 |
| Entry Level | 4% |
| Mid Level | 3% |
| Senior Level | 1% |
| Top Level | 2% |
| Experienced | 7% |
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Senior Waste Water Treatment Technician salary varies from city to city. Compared with national average salary of Senior Waste Water Treatment Technician, the highest Senior Waste Water Treatment Technician salary is in San Francisco, CA, where the Senior Waste Water Treatment Technician salary is 24.9% above. The lowest Senior Waste Water Treatment Technician salary is in Miami, FL, where the Senior Waste Water Treatment Technician salary is 3.9% lower than national average salary.
| City, State | Price | Compared to national average |
|---|---|---|
| San Francisco, CA | $73,900 |
24.9%
|
| Washington, DC | $65,500 |
10.7%
|
| Miami, FL | $56,900 |
|
| Chicago, IL | $61,200 |
3.3%
|
| Boston, MA | $66,000 |
11.5%
|
| New York, NY | $68,600 |
15.9%
|
