Assistant Plant Operator Salaries in the United States
How Much Does an Assistant Plant Operator Make?
Updated April 01, 2025
As of April 01, 2025,
the average annual pay of Assistant Plant Operator in the United States is $65,773.
While Salary.com is seeing that Assistant Plant Operator salary in the US can go up to $77,861
or down to $51,068, but most earn between $58,076 and $72,100.
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 Assistant Plant Operator
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Similar Job Salaries to Assistant Plant Operator by Company
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| Company | average base salary in (usd) | range |
|---|---|---|
|
Mathy Construction Company
Asphalt Plant Operator Assistant
|
$59,072/yr
|
RANGE: $52,882 - $65,262
|
|
Middlesex Water Company
Assistant Auxilliary Plant Operator
|
$59,815/yr
|
RANGE: $53,821 - $65,809
|
|
WIN Waste Innovations
Assistant Plant Operator
|
$58,083/yr
|
RANGE: $52,063 - $64,102
|
|
Rahr Corporation
Assistant Power Plant Operator
|
$74,635/yr
|
RANGE: $65,749 - $83,521
|
|
RahrBSG
Assistant Power Plant Operator
|
$98,870/yr
|
RANGE: $88,780 - $108,960
|
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The H&K Group
Energy Plant Operator Assistant
|
$88,792/yr
|
RANGE: $78,725 - $98,859
|
|
City of Fairhope (AL)
ASSISTANT WASTEWATER TREATMENT PLANT OPERATOR
|
$68,806/yr
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RANGE: $61,208 - $76,404
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City Of Fairhope
ASSISTANT WASTEWATER TREATMENT PLANT OPERATOR
|
$58,784/yr
|
RANGE: $51,769 - $65,799
|
|
ProKatchers LLC
Assistant Water Treatment Plant Operator
|
$52,039/yr
|
RANGE: $46,706 - $57,373
|
What Does an Assistant Plant Operator Do?
Graduates are employed by utilities, industrial power facilities, refineries, manufacturers, and consulting firms as power plant operators, stationary engineers, field service technicians, instrumentation and controls technicians, and electrical maintenance technicians.
Updated December 19, 2021
One year of experience is based on full–time employment at a treatment plant or 1,000 hours of cumulative experience, over a minimum of twelve months, for part-time operators.
Updated December 09, 2021
If the treatment plant is classified as advanced, does the collection system operator need advanced certification.
Updated November 30, 2021
Convenience: Depending on numbers, we can deliver training at your own facility and offer an online learning option for the Pool Plant Operator Revalidation.
Updated November 30, 2021
To support continuing education within the water industry. AWWA’s Water Equation matches funds raised at the section level to provide books, tuition, training, education and certification to operators at water and wastewater treatment plants.
Updated November 29, 2021
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Explore JobArchitectFrequently Asked Questions About an Assistant Plant Operator Salaries
What is the average of an Assistant Plant Operator in the United States?
The Assistant Plant Operator salary range is from $58,076 to $72,100, and the average Assistant Plant Operator salary is $65,773/year in the United States.
The Assistant Plant Operator's salary will change in different locations.
Which location pays the highest Assistant Plant Operator salary in the United States?
The Assistant Plant Operator salary in San Jose, CA is $82,959
which is the highest in the US.
What kinds of reasons will influence the Assistant 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 Assistant Plant Operator.
What is the growth rate of the Assistant Plant Operator's salary?
If you are thinking of becoming an Assistant Plant Operator or planning the next step in your career, find the detailed salary report of an Assistant Plant Operator.
Recent Salary Report
Below are the most recent Assistant Plant Operator salary reports. Employer name has been removed to protect anonymity.
$34
Hourly
An Assistant Plant Operator in Auburn, AL reported making $34 per hour
Auburn, AL
7,6 - 15,000 employees
Part-Time
Company - Public
$63,100
Yearly
An Assistant Plant Operator in Santa Rosa, CA reported making $63,100 per year
Santa Rosa, CA
6 - 1,000 employees
Full-Time
Company - Private
$54,762
Yearly
An Assistant Plant Operator in Bangor, ME reported making $54,762 per year
Bangor, ME
200 - 6 employees
Full-Time
Company - Private
$70,103
Yearly
An Assistant Plant Operator in Topeka, KS reported making $70,103 per year
Topeka, KS
100 - 200 employees
Full-Time
Company - Private
$35
Hourly
An Assistant Plant Operator in Myrtle Beach, SC reported making $35 per hour
Myrtle Beach, SC
3,000 - 7,6 employees
Part-Time
Company - Public
$5,330
Monthly
An Assistant Plant Operator in Springfield, OH reported making $5,330 per month
Springfield, OH
1,000 - 3,000 employees
Full-Time
Company - Public
