Water and Wastewater Treatment Plant and System Operators Salary in Seattle-Tacoma-Bellevue, WA (2025)
Official BLS OEWS data · May 2025 · 830 employed
Annual Mean
$92,380
$44.41/hr
Annual Median
$99,010
$47.60/hr
Bottom 10%
$62,540
$30.07/hr
Top 10%
$119,000
$57.21/hr
Location vs National Average
Seattle-Tacoma-Bellevue, WA
$92,380
Difference
+47.7% vs US avg
US National
$62,540
Salary Percentile Breakdown
| Percentile | Annual |
|---|---|
10th Percentile Bottom 10% | $62,540 |
25th Percentile Lower quarter | $78,170 |
50th PercentileMedian Median | $99,010 |
75th Percentile Upper quarter | $104,020 |
90th Percentile Top 10% | $119,000 |
Salary Distribution
Annual Salary Range
10th
$63K
25th
$78K
Median
$99K
75th
$104K
90th
$119K
Seattle-Tacoma-Bellevue, WA has a relatively small Water and Wastewater Treatment Plant and System Operators workforce (approximately 830 positions). Job opportunities may be more competitive.
In Seattle-Tacoma-Bellevue, WA, Water and Wastewater Treatment Plant and System Operators salaries range from $62,540 at the 10th percentile to $119,000 at the 90th percentile — a spread of $56,460 (57% of the median). This relatively narrow range suggests more consistent pay across employers in this area.
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Data: BLS OEWS May 2025 · Public domain · Not affiliated with BLS.