Chemical & Process Engineering

Water and Wastewater Treatment Plant Operator

SOC 51-8031.00 · ESCO 3132 · OSCA 732431

REA INV ART SOC ENT CON This role See your match →

Role snapshot

Overview

Water and Wastewater Treatment Plant Operators are essential for public health and environmental protection, monitoring and adjusting complex chemical treatment processes and pumping equipment to purify drinking water or treat sewage. They conduct regular tests, maintain detailed records, and ensure all discharge meets stringent environmental standards and regulatory requirements.

Ensures communities have access to safe, clean drinking water and that wastewater is treated effectively to protect public health and prevent environmental pollution.

On the job

  • Monitor gauges, meters, and control panels to ensure proper functioning of plant equipment and processes
  • Collect water or wastewater samples and conduct laboratory tests for chemical, physical, and biological content
  • Adjust chemical feed rates, pump speeds, and filtration systems based on test results and operational needs
  • Perform routine maintenance and minor repairs on pumps, valves, motors, and other mechanical equipment
  • Maintain accurate logs and records of plant operations, test results, equipment maintenance, and regulatory compliance
Water and Wastewater Treatment Plant Operator at work

Tools & technology

SCADA systemspH metersTurbidimetersFlow metersChemical dosing pumpsHand tools

Average salary

$60K
MEDIAN SALARY Annual · USD
$45K Bottom 10%
$80K Top 10%

Job outlook

Stable

Demand is steady. This is an established role with consistent hiring across sectors.

Education & training

High school diploma or equivalent required, with many employers preferring postsecondary certificates or associate's degrees in water quality management, environmental technology, or a related field. State-issued certifications are mandatory.

Career pathways

WHERE YOU COULD GO

Senior Water and Wastewater Treatment Plant Operator
Chief Plant Operator

CURRENT ROLE

Water and Wastewater Treatment Plant Operator

Chemical & Process Engineering

ADJACENT MOVES

Water Quality Specialist
Environmental Compliance Inspector
Water Treatment Technician Apprentice
Lab Assistant Water Quality
Utility Worker

STARTING POINTS

Who thrives here

Interest profile

R

realistic · RCI

Individuals who enjoy working with machines and processes (Realistic), investigating scientific principles (Investigative), and following established procedures (Conventional) often find this career fulfilling.

Personality characteristics

Conscientious

Adheres strictly to safety protocols, environmental regulations, and operating procedures to prevent errors and ensure compliance.

Detail-oriented

Carefully monitors equipment, reads gauges, and records data to ensure precision in treatment processes and identify anomalies.

Practical

Enjoys hands-on work with machinery, tools, and chemical systems to maintain and operate the plant efficiently.

Analytical

Applies scientific principles to interpret test results and troubleshoot operational issues in the treatment process.

Calm under pressure

Maintains composure during equipment malfunctions or emergencies, following protocols to resolve issues effectively.

Best for

  • Individuals who are methodical, enjoy technical problem-solving, and are committed to environmental stewardship.
  • People who prefer a structured work environment with clear protocols and procedures.
  • Those who find satisfaction in ensuring essential public services and protecting natural resources.
  • Candidates who are comfortable with hands-on technical work and continuous learning about plant operations.

Watch out for

  • Requires working in a plant environment, which can include exposure to chemicals, noise, and varying weather conditions.
  • Involves shift work, including nights, weekends, and holidays, as plants operate 24/7 and require continuous monitoring.

A week in the life

A representative working week for a Water and Wastewater Treatment Plant Operator — where the deep work, meetings, and admin actually land.

8am9am10am11am12pm1pm2pm3pm4pm5pm6pm
Mon
Shift handover and daily briefing
Plant rounds, visual inspection, equipment checks
Collect water/wastewater samples
Laboratory analysis and data entry
Tue
Review previous day's reports and operational data
Adjust treatment processes, chemical dosing, pump speeds
Routine maintenance on pumps, valves, and filters
Wed
Equipment calibration and verification
Conduct specialized water quality tests
Troubleshoot minor equipment issues and initiate repairs
Regulatory compliance documentation update
Thu
Plant safety inspection and hazard assessment
Inventory check for chemicals and supplies
Process optimization analysis and report generation
Team meeting on operational improvements
Fri
Final plant checks and parameter adjustments
Prepare weekly compliance reports
Clean and organize lab and control room
End of week documentation and shift handover
Deep work Meeting External Social Admin

FREE ASSESSMENT

Does Water and Wastewater Treatment Plant Operator fit you?

Measure your personality and interests, then see how this career ranks against 1,300+ others — for you personally.

Take the free assessment →