Water and Wastewater Treatment Plant and System Operators Salary in Walla Walla, WA
SOC 51-8031 · Metropolitan Area · 2024 BLS OEWS
The median salary for a Water and Wastewater Treatment Plant and System Operators in Walla Walla, WA is $66,740 per year as of 2024. That works out to roughly $32.09 per hour. This is 15% above the national median of $58,260. 30 people work as Water and Wastewater Treatment Plant and System Operators in Walla Walla, WA. Wages have grown 20% since 2019, when the median was $55,570.
Median Annual Salary
$66,740
Mean Annual
$66,150
Median Hourly
$32.09
Total Employed
30
Salary Distribution
How This Compares
Walla Walla, WA
$66,740
this metro
Washington
$78,810
you earn -15% vs state
United States
$58,260
you earn +15% vs US
Salary Trend
View data table
| Year | Median Annual |
|---|---|
| 2024 | $66,740 |
| 2023 | $71,210 |
| 2022 | $67,400 |
| 2021 | $61,350 |
| 2019 | $55,570 |
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