The average Wastewater Engineer - Senior salary in Washington is $135,507. The salary range for a Wastewater Engineer - Senior is usually between $128,712 and $141,113 per year, representing the 25th to 75th percentiles respectively. The top 10% of earners, that is the 90th percentile, have an annual salary of $146,305. The average hourly pay for a Wastewater Engineer - Senior is $65.15 per hour.
The employer paying the highest salary for a Wastewater Engineer - Senior job in Washington is King County with an average salary as high as $124,913.
| Employer | Average Salary |
|---|---|
| King County, WA | $124,913 |
| Job Title | Average Salary |
|---|---|
| Wastewater Treatment Plant Operator | $54,395 |
| Wastewater Operator | $57,753 |
| Wastewater Plant Operator | $54,986 |
| Wastewater Superintendent | $77,867 |
| Wastewater Treatment Plant Supervisor | $89,940 |
| Wastewater Treatment Plant Superintendent | $86,700 |
| Wastewater Treatment Operator | $57,587 |
| Wastewater Supervisor | $72,866 |
| Wastewater Foreman | $80,442 |
| Wastewater | $57,026 |
Select a state to view specific salary for Wastewater Engineer - Senior and other interesting information
| State | Average Salary | Records Number |
|---|---|---|
| Washington | $124,913 | 22 |
| Wisconsin | $68,042 | 14 |