How much does a water and wastewater treatment plant and system operator make in Seattle?
Median yearly pay for water and wastewater treatment plant and system operators in the Seattle-Tacoma-Bellevue, WA metro area. That is $47.60 an hour or $8,251 a month.
- Hourly
- $47.60
- Vs. national median
- +65%
- Rank among cities
- 6 of 367
- Jobs in the area
- 830
| Percentile | Yearly | Hourly | |
|---|---|---|---|
| 10th | $62,540 | $30.07 | |
| 25th | $78,170 | $37.58 | |
| Median | $99,010 | $47.60 | |
| 75th | $104,000 | $50.01 | |
| 90th | $119,000 | $57.21 |
Other cities in Washington
Median yearly pay for water and wastewater treatment plant and system operators.
| Olympia, WA | $88,270 |
| Mount Vernon, WA | $87,310 |
| Portland, OR | $83,860 |
| Bellingham, WA | $81,430 |
| Spokane, WA | $81,240 |
| Kennewick, WA | $80,750 |
| Bremerton, WA | $79,100 |
| Yakima, WA | $75,290 |
| Lewiston, ID | $61,830 |
Related jobs in Seattle
Same field, median yearly pay.
| Power Distributor and Dispatcher | $160,600 |
| Power Plant Operator | $125,000 |
| Layout Worker | $123,100 |
| Tool and Die Maker | $116,900 |
| Stationary Engineer and Boiler Operator | $112,300 |
| Aircraft Structure | $110,500 |
| Computer Numerically Controlled Tool Operator | $109,600 |
| Milling and Planing Machine Setter | $105,400 |
| Engine and Other Machine Assembler | $102,500 |
| Tool Grinder | $102,400 |
Frequently asked questions
How much does a water and wastewater treatment plant and system operator make an hour in Seattle?
The median hourly pay in the Seattle-Tacoma-Bellevue, WA metro area is $47.60 ($99,010 a year).
Do water and wastewater treatment plant and system operators make more in Seattle than the national average?
Yes: $99,010 against $60,020 nationally, 65% more.
How does Seattle compare with the rest of Washington?
The median in Washington is $80,800, so Seattle pays 23% more.
Where does Seattle rank for water and wastewater treatment plant and system operator pay?
6 of 367 metro areas with data.
How much does a water and wastewater treatment plant and system operator make starting out in Seattle?
The lowest-paid 10% make $62,540 or less a year; the top 10% make $119,000 or more.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS): pay in May 2025, published by BLS in 2026. Hourly pay is the yearly figure divided by 2,080 hours.