Ohio ranks 27th of 50 states and D.C. for water and wastewater treatment plant and system operators pay, trailing top-paying California ($82,100) by $23,380 — a 40% gap.
The 10th-to-90th percentile range runs from $42,050 to $75,290 — a $33,240 spread, 31% tighter than the national $48,290 range.
Water and Wastewater Treatment Plant and System Operators are more concentrated in Ohio than the U.S. average — a location quotient of 1.22 means the occupation's share of local jobs is 1.22× the national share.
Salary Range: 10th to 90th Percentile
Full Percentile Breakdown
| Percentile | Annual Wage | Hourly Wage |
|---|---|---|
| 10th percentile (entry-level) | $42,050 | $20.22 |
| 25th percentile | $48,700 | $23.41 |
| 50th percentile (median) | $58,720 | $28.23 |
| 75th percentile | $63,970 | $30.76 |
| 90th percentile (top earners) | $75,290 | $36.20 |
| Mean (average) | $57,850 | $27.81 |
How Ohio Compares
| State | Median Annual | vs. Ohio |
|---|---|---|
| Ohio (current) | $58,720 | n/a |
| California | $82,100 | +40% |
| Nevada | $79,140 | +35% |
| Washington | $78,810 | +34% |
| Alaska | $76,910 | +31% |
| New Jersey | $75,200 | +28% |
| Connecticut | $74,450 | +27% |
| Minnesota | $70,470 | +20% |
| Colorado | $68,220 | +16% |
Showing top-paying states with available data. View all states →
Related Occupations in Ohio
| Occupation | Median Annual | Employment |
|---|---|---|
| Interior Designers | $58,720 | 2,280 |
| Advertising Sales Agents | $58,650 | 2,950 |
| Correctional Officers and Jailers | $58,840 | 12,350 |
| Paralegals and Legal Assistants | $58,870 | 8,160 |
| Carpenters | $58,310 | 17,280 |
| Chemical Equipment Operators and Tenders | $58,240 | 7,980 |
Frequently Asked Questions
What is the average Water and Wastewater Treatment Plant and System Operators salary in Ohio?
The mean water and wastewater treatment plant and system operators salary in Ohio is $57,850 per year. The median (middle) salary is $58,720 per year.
What is the starting salary for a Water and Wastewater Treatment Plant and System Operators in Ohio?
Entry-level water and wastewater treatment plant and system operatorss (10th percentile) in Ohio typically earn around $42,050 per year. Workers at the 25th percentile earn approximately $48,700 per year.
What is the highest Water and Wastewater Treatment Plant and System Operators salary in Ohio?
Top earners (90th percentile) in this occupation in Ohio make approximately $75,290 per year. Those in the 75th percentile earn around $63,970 per year.
How does the Ohio Water and Wastewater Treatment Plant and System Operators salary compare to the national average?
The median water and wastewater treatment plant and system operators salary in Ohio is $58,720, which is +1% above national average of $58,260.