Salary Survey: Water and Wastewater Treatment Plant and System Operators in Maryland
| Average Annual Salary | $45,410.00 | Average Hourly Salary | $21.83 | Jobs Per Thousand | 0.631 |
| Annual Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $30,060.00 | $35,530.00 | $43,690.00 | $53,030.00 | $64,670.00 | |
| Hourly Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $14.45 | $17.08 | $21.01 | $25.49 | $31.09 | |