How much does a water plant operator make?
Answer: A typical water plant operator in the United States makes $60,020 a year (median, May 2025, US Bureau of Labor Statistics).
Line up 100 people; this is the one in the middle (median). about 128,000 people work in this job. About the same as the US-wide typical pay ($50,980).
If 100 people had this job
Lowest at bottom-left, highest at top-rightHover over a person to see their yearly pay
Water plant operator pay in the United States (May 2025, median and spread)
| Lower earner (10th from bottom) | Typical person (median) | Higher earner (10th from top) | People in this job |
|---|---|---|---|
| $39,110 | $60,020 | $91,060 | about 128,000 |
| State | Typical person (median) | People in this job |
|---|---|---|
| California | $81,770 | about 12,000 |
| Washington | $80,800 | about 2,000 |
| Connecticut | $78,820 | about 980 |
| New Jersey | $78,760 | about 3,000 |
| Minnesota | $74,670 | about 2,000 |
Why does pay differ?
In the United States, experience and higher state-license levels can lead to more responsible, specialized work, such as supervising a large team. Pay also varies by employer and location, and some employers offer extra pay for night shifts.
What if you lived in a different state?
Pay varies a lot by state in the USTop 5 and bottom 3 states, typical (median) yearly pay.
What does a water plant operator do?
Operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.
What's a typical day like?
They collect and test water or sewage samples, watch gauges and controls, and adjust equipment or add treatment chemicals. They record readings and inspect or repair machines to keep the treatment process working.
How to get this job
In the U.S., most start with a high school diploma or GED, then learn on the job; repair skills can help. A state license is usually needed, and trainees often work toward it on the job, with exam rules varying by state.
High school plus some training (preparation level 2 of 5)
Good for people who like building and doing and keeping things organized.
Did you know?
If a power outage stops a plant, operators may have to run equipment by hand to keep water treatment going.
Similar jobs
Jobs using similar skills (O*NET)Earn more in the same field
Production jobs that pay a bit moreSources and data
Source: US Bureau of Labor Statistics, OEWS May 2025 (bls.gov); descriptions and related jobs from O*NET 31.0. Figures as of May 2025, full-time yearly pay (hourly × 2,080 hours). bls.gov/oes · O*NET OnLine
Pages used for the text
- www.bls.gov/ooh/production/water-and-wastewater-treatment-plant-and-system-opera
- www.onetonline.org/link/summary/51-8031.00
- www.bls.gov/careeroutlook/2015/article/wage-differences.htm
- www.careeronestop.org/toolkit/Training/find-licenses-detail.aspx?keyword=&locati
- phh.tbe.taleo.net/phh01/ats/careers/v2/viewRequisition?org=CSU&cws=55&rid=19324
Data: US BLS OEWS, May 2025 · 1 USD = 150 JPY