Salary Survey: Water and Wastewater Treatment Plant and System Operators in Iowa
| Average Annual Salary | $43,800.00 | Average Hourly Salary | $21.06 | Jobs Per Thousand | 1.321 |
| Annual Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $21,930.00 | $35,280.00 | $44,820.00 | $53,160.00 | $61,810.00 | |
| Hourly Percentile | |||||
| 10 Percentile | 25 Percentile | 50 Percentile | 75 Percentile | 90 Percentile | |
| $10.54 | $16.96 | $21.55 | $25.56 | $29.72 | |