Water and Wastewater Treatment Plant and System Operators Salary in Walla Walla, WA (2026)
Source: BLS OEWS · Walla Walla, WA · 30 employed
The average Water and Wastewater Treatment Plant and System Operators salary in Walla Walla, WA is $66,150 per year. The middle 50% of Water and Wastewater Treatment Plant and System Operatorss earn between $65,970 and $73,710. Top earners in the 90th percentile make $78,310 or more. Entry-level positions typically start around $43,050. The median of $66,740 is below the mean, reflecting the wage distribution in this field.
Water and Wastewater Treatment Plant and System Operators Salary Breakdown in Walla Walla, WA
| Percentile | Annual Salary |
|---|---|
| 10th Percentile (Entry-level) | $43,050 |
| 25th Percentile | $65,970 |
| Median (50th Percentile) | $66,740 |
| Mean (Average) | $66,150 |
| 75th Percentile | $73,710 |
| 90th Percentile (Top earners) | $78,310 |
Related Jobs in Walla Walla, WA
Water and Wastewater Treatment Plant and System Operators Salaries in Other Cities
| City | Mean Annual |
|---|---|
| San Francisco, CA | $114,190 |
| San Jose, CA | $110,550 |
| Vallejo, CA | $96,620 |
| Napa, CA | $96,180 |
| Las Vegas, NV | $89,400 |
| Sacramento, CA | $88,910 |
| Salinas, CA | $88,900 |
| Santa Maria, CA | $87,090 |
Frequently Asked Questions
What is the average Water and Wastewater Treatment Plant and System Operators salary in Walla Walla, WA?
The average Water and Wastewater Treatment Plant and System Operators salary in Walla Walla, WA is $66,150 per year, according to BLS OEWS.
What is the median Water and Wastewater Treatment Plant and System Operators salary in Walla Walla, WA?
The median Water and Wastewater Treatment Plant and System Operators salary in Walla Walla, WA is $66,740 per year. Half of Water and Wastewater Treatment Plant and System Operatorss earn more than this and half earn less.
How much do entry-level Water and Wastewater Treatment Plant and System Operatorss make in Walla Walla, WA?
Entry-level Water and Wastewater Treatment Plant and System Operatorss in Walla Walla, WA typically earn around $43,050 per year (10th percentile). Workers in the 25th percentile earn about $65,970.
What do the highest-paid Water and Wastewater Treatment Plant and System Operatorss earn in Walla Walla, WA?
The highest-paid Water and Wastewater Treatment Plant and System Operatorss in Walla Walla, WA earn $78,310 or more per year (90th percentile). The 75th percentile wage is $73,710.
How many Water and Wastewater Treatment Plant and System Operatorss work in Walla Walla, WA?
There are approximately 30 Water and Wastewater Treatment Plant and System Operatorss employed in the Walla Walla, WA area, per BLS OEWS.