How Much Does a Wastewater Treatment Plant Operator Make in Wisconsin?

Updated April 01, 2025
As of April 01, 2025, the average annual pay of Wastewater Treatment Plant Operator in Wisconsin is $57,074. While Salary.com is seeing that Wastewater Treatment Plant Operator salary in WI can go up to $76,157 or down to $39,773, but most earn between $48,018 and $67,063. 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.
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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
City Brewing Co
Wastewater Treatment Plant Operator
$60,907/yr
$53,639
$68,176
RANGE: $53,639 - $68,176
Heart of the Valley Metropolitan Sewerage District
Wastewater Treatment Plant Operator
$62,636/yr
$55,161
$70,110
RANGE: $55,161 - $70,110
NEW Water, the brand of the Green Bay Metropolitan...
Wastewater Treatment Operator Apprentice
$61,522/yr
$54,181
$68,864
RANGE: $54,181 - $68,864
The City of Watertown
Wastewater-Wastewater Treatment Plant Operations Foreman
$76,688/yr
$67,558
$85,817
RANGE: $67,558 - $85,817
State of Wisconsin
Wastewater Operator - Plant
$63,782/yr
$56,170
$71,393
RANGE: $56,170 - $71,393
Envirogen Group UK Limited
Wastewater Treatment Plant Operator
$62,325/yr
$54,888
$69,763
RANGE: $54,888 - $69,763
Hampton Roads Connector Partners
Wastewater Treatment Plant Operator
$69,123/yr
$61,073
$77,172
RANGE: $61,073 - $77,172
West Travis County Public Utility Agency
Wastewater Treatment Plant Operator
$64,099/yr
$56,450
$71,748
RANGE: $56,450 - $71,748
Town of Carolina Beach
Wastewater Treatment Plant Operator
$59,185/yr
$52,122
$66,248
RANGE: $52,122 - $66,248

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Top 10 Highest Paying Cities For Wastewater Treatment Plant Operator Jobs in Wisconsin

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 Wisconsin. 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 Wisconsin. Milwaukee takes first place in this list, followed by Waukesha, Madison. The Wastewater Treatment Plant Operator salary is $58,084 in Milwaukee, which is higher than the national average. There is 1 city's Wastewater Treatment Plant Operator salary higher than national average in Wisconsin.
The average salary for a Wastewater Treatment Plant Operator in Wisconsin is $57,074, but we found that the city with the highest salary for Wastewater Treatment Plant Operator jobs is Milwaukee, WI, and it is higher than Waukesha. Wastewater Treatment Plant Operator jobs in Milwaukee can have the opportunity to earn higher salaries than in other cities in Wisconsin.
CITY ANNUAL SALARY MONTHLY PAY WEEKLY PAY HOURLY WAGE
Milwaukee $58,084 $4,840 $1,117 $28
Waukesha $57,869 $4,822 $1,113 $28
Madison $57,161 $4,763 $1,099 $27
Appleton $56,134 $4,678 $1,080 $27
Kenosha $56,082 $4,674 $1,079 $27
Racine $56,082 $4,674 $1,079 $27
Janesville $56,030 $4,669 $1,077 $27
Eau Claire $55,879 $4,657 $1,075 $27
Oshkosh $55,630 $4,636 $1,070 $27
Green Bay $55,136 $4,595 $1,060 $27

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

Frequently Asked Questions About a Wastewater Treatment Plant Operator Salaries

What is the average of a Wastewater Treatment Plant Operator in Wisconsin?

The Wastewater Treatment Plant Operator salary range is from $48,018 to $67,063, and the average Wastewater Treatment Plant Operator salary is $57,074/year in Wisconsin. 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.