Water / Wastewater Treatment Operator

Also called: Plant Operator, Wastewater Operator, Water System Operator

Runs the plants that turn river water into safe drinking water and clean sewage before it returns to nature.

A day in the life

You make rounds checking pumps, filters, and tanks, take water samples, and adjust chemicals from a control room full of screens. Plants run 24/7, so you work shifts. When a storm hits, you keep the system from overflowing.

Pay over a career

Starting
$38k
Typical
$58k
High
$88k

Higher certification grades bring higher pay.

Training

Certificate, about 1 year after high school. High school plus state operator certification (grades I-IV); community college water technology programs help.

Ways in: Certification, On-the-job training, 2-year college. Training cost: Under $15k.

Majors to look at: Water Quality Technology (2-year), Environmental Technology.

Outlook

Shrinking (about -6% over 10 years). Plant automation is reducing staff, but retirements create about 10,000 openings a year.

Will it last? Our AI estimate

Low risk in 5 years, medium in 10. Plants run on automated controls and AI flags problems; licensed operators must still be on site, so jobs shrink slowly.

Could start within a month

Age 18+. One way to start: Apply to your city water or wastewater plant for operator trainee jobs; they sponsor the state exam First: Government hiring takes weeks; state operator certification follows with plant time and an exam

Start now, in high school

Classes: Chemistry, Biology, Algebra I.

Official data: O*NET occupation 51-8031.

More Water Resources careers

Career Universe is an early version. Pay, training and AI-risk figures are estimates to start your own research, not verified facts. The research was written with AI research assistants, checked by validation scripts and spot-checked by hand. Check anything important with schools, employers and official sources. How the numbers work.