BLS Occupational Employment & Wage Statistics · May 2025
Hydrologic Technicians in Illinois earn between $52,870 and $77,760, with a mean of $58,510. The national average for this role is $71,541.
| Location | Mean Salary |
|---|---|
| Illinois | $58,510 |
| National Average | $71,541 |
| Texas | $87,620 |
| Washington | $80,970 |
| New Mexico | $80,330 |
| Massachusetts | $75,380 |
Bureau of Labor Statistics OEWS, May 2025. Illinois. Hourly wages assume 2,080 hours/year.