Salary Survey: Water and Wastewater Treatment Plant and System Operators in Massachusetts
| Average Annual Salary | $53,640.00 | Average Hourly Salary | $25.79 | Jobs Per Thousand | 0.506 |
| Annual Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $39,770.00 | $45,230.00 | $53,250.00 | $61,850.00 | $71,720.00 | |
| Hourly Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $19.12 | $21.75 | $25.60 | $29.74 | $34.48 | |