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Urgent!
Posted July 12, 2026
Central Cal Waterworks, Inc.

Wastewater Treatment Plant Operator I, II, III (OIT, Grade I, Grade II, Grade III)

Madera, CA, USA Full Time
Compensation: $25 to $55 Hourly
Healthcare, 401 (k), Life Insurance, and PTO

Certifications
Job includes multiple certifications

Position Summary

Under the direct supervision of a licensed Chief Plant Operator, the Wastewater Treatment Plant Operator is responsible for the safe and efficient operation, monitoring, maintenance, and troubleshooting of wastewater treatment facilities, collection systems, and associated pumping stations. The operator assists in maintaining regulatory compliance with all applicable Federal, State, and Local environmental regulations while ensuring reliable operation of treatment processes, equipment, and infrastructure.

Essential Duties and Responsibilities

  • Operate, monitor, inspect, and maintain wastewater treatment facilities.
  • Monitor treatment processes and make operational adjustments as directed.
  • Collect wastewater samples and perform laboratory testing.
  • Maintain operational logs and regulatory records.
  • Inspect and maintain lift stations, pumps, valves, and sewer collection systems.
  • Assist with installation, repair, and maintenance of sewer mains and service connections.
  • Perform preventative maintenance on mechanical equipment.
  • Respond to emergencies, sewer overflows, alarms, and equipment failures.
  • Participate in rotating on-call, weekend, and holiday coverage.
  • Maintain compliance with OSHA, EPA, State Water Resources Control Board, Regional Water Quality Control Board, and local permit requirements.
  • Maintain communication with the Chief Plant Operator and recommend operational improvements.

Knowledge, Skills, and Abilities

  • Knowledge of wastewater treatment processes, collection systems, pumps, and lift stations.
  • Ability to diagnose equipment malfunctions and perform preventative maintenance.
  • Ability to maintain accurate records and operate basic computer and SCADA systems.
  • Ability to work independently and safely in confined spaces and outdoor environments.

Physical Requirements

  • Lift up to 75 pounds.
  • Climb ladders and stairs, work in confined spaces, and perform manual labor outdoors.
  • Wear required personal protective equipment (PPE).

Compensation

Central Cal Waterworks, Inc. offers a competitive wage program based on certification level, experience, demonstrated competency, and job performance.

Classification

Required Certification

Hourly Wage Range

Operator-in-Training (OIT)

OIT Registration

$25.00 – $30.00

Wastewater Operator I

Grade I

$30.00 – $35.00

Wastewater Operator II

Grade II

$35.00 – $42.00

Wastewater Operator III

Grade III

$42.00 – $48.00

Wastewater Operator IV

Grade IV

$48.00 – $52.00

Chief Plant Operator

Grade V

$52.00 – $55.00

Additional Compensation

  • Overtime in accordance with California labor laws.
  • Standby and on-call pay.
  • Emergency call-out pay.
  • Holiday pay.
  • Certification incentive pay where applicable.
  • Annual performance and merit increases.
  • Employer-paid continuing education and certification renewal assistance, subject to company policy.
  • Full Healthcare benefits, 401 (k) with matching, and Life Insurance available

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