Wastewater Treatment Plant Operator Salaries in Washington
How Much Does a Wastewater Treatment Plant Operator Make in Washington?
Updated April 01, 2025
As of April 01, 2025,
the average annual pay of Wastewater Treatment Plant Operator in Washington is $62,911.
While Salary.com is seeing that Wastewater Treatment Plant Operator salary in WA can go up to $83,946
or down to $43,841, but most earn between $52,929 and $73,921.
Salary ranges can vary widely depending on many important factors,
including education, certifications, additional skills, and your experience levels.
With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
Related Job Titles to Wastewater Treatment Plant Operator
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Similar Job Salaries to Wastewater Treatment Plant Operator by Company
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| Company | average base salary in (usd) | range |
|---|---|---|
|
Kitsap County, WA
Wastewater Treatment Plant Operator
|
$70,256/yr
|
RANGE: $61,872 - $78,640
|
|
Pierce County
Wastewater Treatment Plant Pretreatment Technician
|
$81,657/yr
|
RANGE: $71,885 - $91,429
|
|
City of Shelton, WA
Wastewater Treatment Plant Technician II
|
$79,769/yr
|
RANGE: $70,223 - $89,315
|
|
Veolia Environnement SA
Operator - Wastewater Treatment Plant
|
$67,096/yr
|
RANGE: $59,090 - $75,103
|
|
County of Summit, OH
WASTEWATER TREATMENT PLANT OPERATOR
|
$63,037/yr
|
RANGE: $55,515 - $70,560
|
|
Holley-Navarre Water System INC
Wastewater Treatment Plant Operator
|
$58,460/yr
|
RANGE: $51,484 - $65,436
|
|
Town of Bridgewater, MA
Wastewater Treatment Plant Operator
|
$77,550/yr
|
RANGE: $68,987 - $86,113
|
|
Integrated Performance Consultants
Wastewater Treatment Plant Operator
|
$71,408/yr
|
RANGE: $62,887 - $79,930
|
|
Town of Carolina Beach
Wastewater Treatment Plant Operator
|
$59,185/yr
|
RANGE: $52,122 - $66,248
|
|
City of Dayton
Wastewater Treatment Plant Operator
|
$62,655/yr
|
RANGE: $55,178 - $70,132
|
Top 10 Highest Paying Cities For Wastewater Treatment Plant Operator Jobs in Washington
It is important to understand how location impacts your career prospects in the United States.
There are some cities where a Wastewater Treatment Plant Operator can find a job easily with a greater salary paid then achieve a higher standard of living.
Below is the top cities list for Wastewater Treatment Plant Operator job salaries in Washington.
Some cities can pay higher salaries for Wastewater Treatment Plant Operator jobs, which can indicate that there is a large demand for Wastewater Treatment Plant Operator positions in this city.
The following table shows top 10 cities where the Wastewater Treatment Plant Operator salary is higher than other cities in Washington.
Seattle takes first place in this list, followed by Bellevue, Renton.
The Wastewater Treatment Plant Operator salary is $64,135 in Seattle,
which is higher than the national average. There are 20 cities' Wastewater Treatment Plant Operator salary higher than national average in Washington.
The average salary for a Wastewater Treatment Plant Operator in Washington is $62,911,
but we found that the city with the highest salary for Wastewater Treatment Plant Operator jobs is Seattle, WA, and it is higher than Bellevue.
Wastewater Treatment Plant Operator jobs in Seattle can have the opportunity to earn higher salaries than in other cities in Washington.
| CITY | ANNUAL SALARY | MONTHLY PAY | WEEKLY PAY | HOURLY WAGE |
| Seattle | $64,135 | $5,345 | $1,233 | $31 |
| Bellevue | $64,135 | $5,345 | $1,233 | $31 |
| Renton | $64,071 | $5,339 | $1,232 | $31 |
| Everett | $63,248 | $5,271 | $1,216 | $30 |
| Marysville | $63,248 | $5,271 | $1,216 | $30 |
| Bremerton | $62,963 | $5,247 | $1,211 | $30 |
| Tacoma | $62,754 | $5,230 | $1,207 | $30 |
| Auburn | $62,754 | $5,230 | $1,207 | $30 |
| Federal Way | $62,754 | $5,230 | $1,207 | $30 |
| Lakewood | $62,754 | $5,230 | $1,207 | $30 |
What Does a Wastewater Treatment Plant Operator Do?
In some cases, in order to apply for certification, prospective operators must be currently employed at a state wastewater treatment facility.
Updated December 15, 2021
Water treatment plant operators monitor and operate computerized control systems and related equipment in water filtration and treatment plants to regulate the treatment and distribution of water.
Updated December 14, 2021
Wastewater treatment operator roles do vary from organization to organization, but most will have the following tasks as part of their scope:.
Updated December 12, 2021
This unit group also includes waste treatment plant operators in composting plants and other waste management facilities.
Updated December 10, 2021
A water treatment plant operator runs the equipment, control the processes, and monitor the plants that treat the water.
Updated December 10, 2021
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Explore JobArchitectFrequently Asked Questions About a Wastewater Treatment Plant Operator Salaries
What is the average of a Wastewater Treatment Plant Operator in Washington?
The Wastewater Treatment Plant Operator salary range is from $52,929 to $73,921, and the average Wastewater Treatment Plant Operator salary is $62,911/year in Washington.
The Wastewater Treatment Plant Operator's salary will change in different locations.
Which location pays the highest Wastewater Treatment Plant Operator salary in the United States?
The Wastewater Treatment Plant Operator salary in San Jose, CA is $73,181
which is the highest in the US.
What kinds of reasons will influence the Wastewater Treatment Plant Operator's salary?
Besides the location, employees' education degree, related skills, and work experience also will influence the salary.
Try to improve your skills and experience to get a higher salary for the position of Wastewater Treatment Plant Operator.
What is the growth rate of the Wastewater Treatment Plant Operator's salary?
If you are thinking of becoming a Wastewater Treatment Plant Operator or planning the next step in your career, find the detailed salary report of a Wastewater Treatment Plant Operator.
