Water and Wastewater Treatment Plant and System Operators pay in the United States

In the U.S., the median pay for water and wastewater treatment plant and system operators is $28.86 an hour ($60,020 a year). About 128,490 people work in this job there.

$28.86Median hourly pay
$48,040–$74,780Middle half of workers, yearly
128,490People in this job in the U.S.

Pay range for water and wastewater treatment plant and system operators in the U.S.

Earns more thanHourlyYearly
10% of workers$18.80$39,110
25% of workers$23.10$48,040
Half of workers (median)$28.86$60,020
75% of workers$35.95$74,780
90% of workers$43.78$91,060

Best-paying states for water and wastewater treatment plant and system operators

StateMedian yearly payPeople in this job
California$81,77011,630
Nevada$81,4400
Washington$80,8002,030
Connecticut$78,820980
New Jersey$78,7602,500
Minnesota$74,6702,290
Colorado$74,2002,620
Oregon$69,7201,240
Massachusetts$68,5502,510
Illinois$67,8103,500

Pay by state

Education, experience and outlook for water and wastewater treatment plant and system operators

  • Typical education to start: High school diploma or equivalent (BLS)
  • Related work experience most have: 6 months to 1 year (O*NET)
  • Training on the job: Long-term on-the-job training (BLS)
  • Job outlook: -5.7% over ten years, declining · about 10,000 openings a year (BLS)

Related jobs in the U.S.

JobMedian yearly pay
Civil Engineers$100,840
Chemical Equipment Operators and Tenders$58,040
Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders$51,610
Petroleum Pump System Operators, Refinery Operators, and Gaugers$96,710
Septic Tank Servicers and Sewer Pipe Cleaners$49,880
Power Plant Operators$102,040
Stationary Engineers and Boiler Operators$78,620
Gas Plant Operators$87,820

Other job titles for this job

Water Quality TechnicianWater Quality TechWater Treatment SpecialistRelief OperatorSewer OperatorWater Plant OperatorWater Pump OperatorWater PumperBasin TenderBiosolids Management TechnicianBiosolids Management TechClarifying Plant Operator

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Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates. Figures are for wage and salary workers and do not include the self-employed. The median is the middle wage: half earn more, half earn less. Other job titles: O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license; O*NET® is a trademark of USDOL/ETA. JAI Bot has modified this information; USDOL/ETA has not approved, endorsed, or tested these modifications.