What is the salary of a Wastewater Engineer -Principal? In the United States, a Wastewater Engineer -Principal earns an average salary of $147,913. The salary range for a Wastewater Engineer -Principal is usually between $145,055 and $151,430 per year, representing the 25th to 75th percentiles respectively. The top 10% of earners, that is the 90th percentile, have an annual salary of $154,304. The highest Wastewater Engineer -Principal salary in the United States was $161,800. The average hourly pay for a Wastewater Engineer -Principal is $71.11.
Employer paying the highest salary for a Wastewater Engineer -Principal job is King County (WA).
| Employer | Average Salary |
|---|---|
| King County, WA | $146,600 |
| 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 |