How Much Does a Waste Water Plant Operator Make in Seattle, WA?

Updated March 01, 2025
As of March 01, 2025, the average annual pay of Waste Water Plant Operator in Seattle, WA is $105,317. While Salary.com is seeing that Waste Water Plant Operator salary in Seattle, WA can go up to $127,655 or down to $91,279, but most earn between $97,969 and $117,010. 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.
25% $97,969 10% $91,279 90% $127,655 75% $117,010 $105,317 50%(Median)
Related Job Titles to Waste Water Plant Operator
Waste Water Treatment Plant Operator
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Waste Water Treatment Plant Manager
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Similar Job Salaries to Waste Water Plant Operator by Company

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Company average base salary in (usd) range
Advancia Government Services, LLC
Waste Water Plant Operator
$69,840/yr
$60,625
$79,055
RANGE: $60,625 - $79,055
DBI SERVICES
Waste Water Plant Operator
$66,990/yr
$58,282
$75,698
RANGE: $58,282 - $75,698
City of Everett, WA
Water Treatment Plant Operator II
$76,284/yr
$65,100
$87,468
RANGE: $65,100 - $87,468
The City of Everett
Water Treatment Plant Operator III
$75,932/yr
$64,799
$87,064
RANGE: $64,799 - $87,064
City of Everett
Water Treatment Plant Operator II
$76,354/yr
$65,160
$87,549
RANGE: $65,160 - $87,549
City of Albany, Georgia
Waste Water Plant Operator I
$66,990/yr
$58,282
$75,698
RANGE: $58,282 - $75,698
North Alamo Water Supply Corporation
Waste Water Plant Operator I
$67,332/yr
$58,448
$76,216
RANGE: $58,448 - $76,216
St. Johns County Board of County Commissioners
Plant Operator I - Waste Water
$108,023/yr
$92,392
$123,653
RANGE: $92,392 - $123,653
St. Johns County, Florida
Plant Operator I - Waste Water
$108,023/yr
$92,392
$123,653
RANGE: $92,392 - $123,653
Aquatech International LLC
Water Treatment Plant Operator - Pasco Site Location
$74,100/yr
$63,236
$84,964
RANGE: $63,236 - $84,964

Open Waste Water Plant Operator Jobs in Seattle, WA

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What Does a Waste Water Plant Operator Do?

To work in a public wastewater treatment plant or a private wastewater treatment plant regulated by the PUC, you must have a valid wastewater treatment plant operator certificate or an operator-in-training certificate.
Updated October 02, 2021
A Wastewater Treatment Operator maintains a variety of plant equipment in connection with the operation of a large wastewater treatment plants, directs lower level operators and performs related work as required.
Updated December 18, 2021
A Christchurch contractor has been shredding and baling demolition material in anticipation of a waste-to-energy plant going ahead.
Updated December 16, 2021
Upgrade your Water Treatment License while working toward your University Certificate! This 36 hour (3.6 CEUs) course is approved as Specialized Training in the state of California for water treatment operators.
Updated December 13, 2021
Part 724: Standards For Owners And Operators Of Hazardous Waste Treatment, Storage, And Disposal Facilities.
Updated December 11, 2021

Frequently Asked Questions About a Waste Water Plant Operator Salaries

What is the average of a Waste Water Plant Operator in Seattle, WA?

The Waste Water Plant Operator salary range is from $97,969 to $117,010, and the average Waste Water Plant Operator salary is $105,317/year in Seattle, WA. The Waste Water Plant Operator's salary will change in different locations.

Which location pays the highest Waste Water Plant Operator salary in the United States?

The Waste Water Plant Operator salary in San Jose, CA is $119,831 which is the highest in the US.

What kinds of reasons will influence the Waste Water 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 Waste Water Plant Operator.

What is the growth rate of the Waste Water Plant Operator's salary?

If you are thinking of becoming a Waste Water Plant Operator or planning the next step in your career, find the detailed salary report of a Waste Water Plant Operator.