City of Azusa

Water Treatment Operator I/II

Onsite - Azusa, CA
$36.32 - $44.14 Hourly
Full-Time
Application Deadline: 12/7/25

Water Treatment Operator I/II

Salary: See Position Description

Location: Azusa, CA

Job Type: Full-Time

Job Number: 25-42

Department: Light & Water

Division: Water

Opening Date: 11/24/2025

Closing Date: 12/7/2025 5:30 PM Pacific

Please note that there is one vacancy and we are looking for the best, most qualified candidate to work in the capacity of WATER TREATMENT OPERATOR I OR WATER TREATMENT OPERATOR II depending on qualifications. Please review qualifications and submit your application for the level in which you qualify. 

Water Treatment Operator I/II description image

SALARY AND BENEFIT INFORMATION

WATER TREATMENT OPERATOR I

$36.32 – $44.14 Hourly

$6,295.05 – $7,651.67 Monthly

$75,540.60 – $91,820.04 Annually

WATER TREATMENT OPERATOR II

$39.95 – $48.56 Hourly

$6,924.56 – $8,416.84 Monthly

$83,094.72 – $101,002.08 Annually

Generous Monthly Flexible Benefit Plan Contribution for Medical Benefits. Bilingual Incentive Pay, City Paid Deferred Compensation & so much more!

DEADLINE TO APPLY

Online applications will be accepted beginning Monday, November 24, 2025 through Sunday, December 07, 2025 OR until 200 applications are received, whichever comes first. Qualified and interested applicants are encouraged to apply immediately as this recruitment may close without notice on the day the department’s needs have been met. The eligibility list established from this recruitment may be used to fill future vacancies as they occur.

POSITION DEFINITION- WATER TREATMENT OPERATOR I

Under general direction, conducts and maintains skilled work duties in the treatment, production, operation, regulation, maintenance, inspection and monitoring of the City of Azusa’s T-4 rated Surface Water Membrane Filtration Plant; monitors and oversees supply of potable water, storage, and treatment facilities; ensures compliance with State and federal standards for water quality and safety; plans and conducts routine water quality sampling and adjusts chemicals to comply with federal, State, and local regulations; monitors, repairs and undertakes preventative maintenance on water treatment facilities, pumps, wells, controls, valves, chemical feed systems, telemetering and related equipment; performs related duties as required.

POSITION DEFINITION- WATER TREATMENT OPERATOR II

Under general direction, conducts and maintains skilled work duties in the treatment, production, operation, regulation, maintenance, inspection and monitoring of the City of Azusa’s T-4 rated Surface Water Membrane Filtration Plant; monitors and oversees supply of potable water, storage, and treatment facilities; ensures compliance with State and federal standards for water quality and safety; plans and conducts routine water quality sampling and adjusts chemicals to comply with federal, State, and local regulations; monitors, repairs and undertakes preventative maintenance on water treatment facilities, pumps, wells, controls, valves, chemical feed systems, telemetering and related equipment; performs related duties as required.

Essential Functions

CLASS CHARACTERISTICS- WATER TREATMENT OPERATOR I

Entry level class in the water treatment operator class series. Incumbents are expected to advance to the higher level upon attainment of required experience, certificates, and ability to perform the full range of duties in the operation, maintenance and repair of the treatment plant, pumps, wells, and related equipment. 

CLASS CHARACTERISTICS- WATER TREATMENT OPERATOR II

Journey level class in the water treatment operator class series. Incumbents are expected to perform assigned tasks without detailed instructions as to procedures to follow and must have considerable knowledge of the operation, maintenance and repair of the treatment plant, pumps, wells, potable water treatment plant facilities and basic laboratory equipment. Incumbents are also expected to assist in the supervision and training of less experienced staff. The Water Treatment Operator class will be required to work rotating shifts which include holidays, weekends and on-call standby duties. 

SUPERVISION EXCERCISED- WATER TREATMENT OPERATOR I

Receives direction from the Water Treatment Superintendent and Water Treatment Operator Lead Supervisor. Provides work guidance and direction to subordinate Water Treatment Plant workers and administrative staff. 

SUPERVISION EXCERCISED- WATER TREATMENT OPERATOR II

Receives direction from the Water Treatment Superintendent and Water Treatment Operator Lead Supervisor. Provides work guidance and direction to subordinate Water Treatment Plant workers and administrative staff. 

ESSENTIAL FUNCTIONS- WATER TREATMENT OPERATOR I

  • Monitors, troubleshoots and maintains the City of Azusa’s surface water membrane filtration plant and appurtenant systems; oversees and manages technical operations of raw water intake, flash mix, pre-treatment, chemical feed, flocculation basin, sedimentation basin, membrane filters and finished water pumps. 
  • Monitors and maintains telemetry and station levels both manually and by supervisory control and data acquisition (SCADA); maintains required supply and storage at City’s treatment plan, wells, booster pumps, and pressure regulating stations.
  • Performs preventative maintenance on pumps, pump motor equipment, and potable water treatment plant equipment; inspects booster and well pumps, including checking for excessive noise, heat, or leaks; checks fluid levels on pumps; changes oil and packings at preset intervals. 
  • Installs and removes motors in wells and booster pumps; installs, repairs, and/or calibrates a variety of equipment at pump or well stations or potable water treatment facilities such as meters, pump assemblies, hydraulic regulator valves, turbidity units, and motor starting equipment. 
  • Conducts general maintenance and repairs on water system structures, buildings and facilities, including the motor vehicle fleet. 
  • Maintains accurate records and collects daily readings of production, run time, power consumption, flows, and pressures at the treatment plant, groundwater wells, pump stations, booster stations and pressure regulating stations. 
  • Maintains records of lubrication, calibration, and maintenance performed to equipment and machinery. 
  • Enters data and maintains records of operation readings and submits monthly operation and monitoring reports. 
  • Collects water samples at the treatment plant and distribution system using approved methods of collection and chain of custody. 
  • Responds to water quality complaints and inquiries from water users.
  • Performs chemical and physical analysis on the potable water treatment processes before and after treatment to comply with all regulatory requirements.
  • Interprets, calculates, and adjusts chemical feed rates to desired water quality standards; evaluates chemical inventory and schedules deliveries. 
  • Responds to routine and emergency situations in restoring the operation, treatment and monitoring functions of the water system.
  • Performs related duties as required. 

ESSENTIAL FUNCTIONS- WATER TREATMENT OPERATOR II

  • Monitors, troubleshoots and maintains the City of Azusa’s surface water membrane filtration plant and appurtenant systems; oversees and manages technical operations of raw water intake, flash mix, pre-treatment, chemical feed, flocculation basin, sedimentation basin, membrane filters and finished water pumps. 
  • Monitors and maintains telemetry and station levels both manually and by supervisory control and data acquisition (SCADA); maintains required supply and storage at City’s treatment plan, wells, booster pumps, and pressure regulating stations.
  • Performs preventative maintenance on pumps, pump motor equipment, and potable water treatment plant equipment; inspects booster and well pumps, including checking for excessive noise, heat, or leaks; checks fluid levels on pumps; changes oil and packings at preset intervals. 
  • Installs and removes motors in wells and booster pumps; installs, repairs, and/or calibrates a variety of equipment at pump or well stations or potable water treatment facilities such as meters, pump assemblies, hydraulic regulator valves, turbidity units, and motor starting equipment. 
  • Conducts general maintenance and repairs on water system structures, buildings and facilities, including the motor vehicle fleet. 
  • Maintains accurate records and collects daily readings of production, run time, power consumption, flows, and pressures at the treatment plant, groundwater wells, pump stations, booster stations and pressure regulating stations. 
  • Maintains records of lubrication, calibration, and maintenance performed to equipment and machinery. 
  • Enters data and maintains records of operation readings and submits monthly operation and monitoring reports. 
  • Collects water samples at the treatment plant and distribution system using approved methods of collection and chain of custody. 
  • Responds to water quality complaints and inquiries from water users.
  • Performs chemical and physical analysis on the potable water treatment processes before and after treatment to comply with all regulatory requirements.
  • Interprets, calculates, and adjusts chemical feed rates to desired water quality standards; evaluates chemical inventory and schedules deliveries. 
  • Responds to routine and emergency situations in restoring the operation, treatment and monitoring functions of the water system.
  • Performs related duties as required.

Qualification Guidelines

QUALIFICATIONS- WATER TREATMENT OPERATOR I

Education and/or Experience

  • Education: HS/GED.
  • Experience: Six (6) months of experience performing maintenance work in the water field.

Licenses or Certification

  • Possession of, or ability to obtain within the probationary period, and ability to maintain a valid Class B California Driver’s License with Air Brake and Tanker Endorsements, and a satisfactory driving record. 
  • Possession of both a Water Treatment Operator Grade T1 Certificate and Water Distribution Operator Grade D1 Certificate issued by the State Water Resources Control Board.

Knowledge, Skills, and Abilities

Knowledge

  • Charts and gauges. 
  • Water samples.
  • Water treatment chemical dosages, reservoir volumes, and water production. 
  • Maps, blueprints and schematics.

Ability

  • Accurately read gauges and testing equipment. 
  • Maintain records. 
  • Follow oral and written directions. 
  • Maintain, repair, service, and adjust mechanical equipment and to detect malfunctions in equipment. 
  • Establish and maintain cooperative and respectful working relationships.
  • Inspect, operate, diagnose problems, and perform preventative maintenance and repair work on water treatment equipment, electric motors, pump panels, engines, pumps, compressors, valves, and related equipment.
  • Work safely.

QUALIFICATIONS- WATER TREATMENT OPERATOR II

Education and/or Experience

  • Education: HS/GED.
  • Experience: Two (2) years of experience in the operation, maintenance, and repair of potable water treatment facilities, motors, pumps, wells, and related equipment.

Licenses or Certification

  • Possession of, or ability to obtain within the probationary period, and ability to maintain a valid Class B California Driver’s License with Air Brake and Tanker Endorsements, and a satisfactory driving record. 
  • Possession of both a Water Treatment Operator Grade T2 Certificate and Water Distribution Operator Grade D2 Certificate issued by the State Water Resources Control Board. 

Knowledge, Skills, and Abilities

Knowledge

  • Charts and gauges. 
  • Water samples.
  • Water treatment chemical dosages, reservoir volumes, and water production. 
  • Maps, blueprints and schematics.

Ability

  • Accurately read gauges and testing equipment. 
  • Maintain records. 
  • Follow oral and written directions. 
  • Maintain, repair, service, and adjust mechanical equipment and to detect malfunctions in equipment. 
  • Establish and maintain cooperative and respectful working relationships.
  • Inspect, operate, diagnose problems, and perform preventative maintenance and repair work on water treatment equipment, electric motors, pump panels, engines, pumps, compressors, valves, and related equipment.
  • Work safely.

Special Requirements/Physical, Mental, Environmental Conditions

MARGINAL FUNCTIONS – WATER TREATMENT OPERATOR I

These are position functions which may be changed, deleted, or reassigned to accommodate an individual with a disability.

Environmental Conditions

  • Work is performed primarily at the City of Azusa’s Water Treatment Plant. 
  • Incumbents will be required to work extended hours including evenings and weekends. 

Physical Conditions

  • Primary function requires sitting, standing, and walking on uneven and slippery surfaces in the performance of daily duties. 
  • Reaching, twisting, turning, kneeling, bending, stooping, squatting, crouching, grasping, crawling, and making repetitive hand movements above and below shoulder level. 
  • Both near and far vision when inspecting work and operating assigned equipment; 
  • Acute hearing to provide phone and face-to-face service. 
  • Lift, carry, pull and push tools, supplies and other equipment weighing up to 50 pounds.

Some requirements may be accommodated for otherwise qualified individuals requiring and requesting such accommodations.

MARGINAL FUNCTIONS – WATER TREATMENT OPERATOR II

These are position functions which may be changed, deleted, or reassigned to accommodate an individual with a disability.

Environmental Conditions

  • Work is performed primarily at the City of Azusa’s Water Treatment Plant. 
  • Incumbents will be required to work extended hours including evenings and weekends. 

Physical Conditions

  • Primary function requires sitting, standing, and walking on uneven and slippery surfaces in the performance of daily duties. 
  • Reaching, twisting, turning, kneeling, bending, stooping, squatting, crouching, grasping, crawling, and making repetitive hand movements above and below shoulder level. 
  • Both near and far vision when inspecting work and operating assigned equipment; 
  • Acute hearing to provide phone and face-to-face service. 
  • Lift, carry, pull and push tools, supplies and other equipment weighing up to 50 pounds.

Some requirements may be accommodated for otherwise qualified individuals requiring and requesting such accommodations.

Recruitment Process: All applicants are required to submit a complete City application at www.azusaca.gov/jobs. Applications must be accompanied by a resume describing experience, education, and training in relation to the requirements of the position, however, resumes will not be accepted in lieu of a City employment application. Applications that are submitted without a resume, or have unanswered supplemental questions, may be deemed incomplete. 

Application Screening (Refer/Non-Refer): Online applications will be reviewed for qualifications that are highly desirable and most needed to perform the essential functions of this job. Only those candidates whose applications indicate that they are most qualified will be invited to continue in the recruitment process. 

Examination Process (Oral Interview): Selected candidates who meet the qualifications will be invited to an oral interview. Candidates will be interviewed and rated by a qualification appraisal panel of subject knowledge experts. Each candidate’s rating will be based on responses to a series of structured questions designed to elicit the candidates’ qualifications for the job. Only the most successful candidates will be placed on the eligibility list. 

As vacancies occur throughout the City of Azusa within this classification, candidates may be referred to the hiring department. In accordance with the City of Azusa Civil Service Rule 5.5.1, examinations may consist of one or more selection techniques, including but not limited to: Application Evaluation (Qualifying), Written Exam, Practical/Performance Exam, and/or Panel Oral Interview.

The City of Azusa is an equal opportunity employer that is committed to inclusion and diversity. The City of Azusa does not discriminate on the basis of race, religion, sex (including gender and pregnancy), national origin, ancestry, disability, medical condition, genetic characteristics, marital status, age, or sexual orientation (including homosexuality, bisexuality, transgender or heterosexuality) status in employment or the provision of services. Please be advised that as an employee of the City of Azusa, your job could be modified as part of the City’s obligation to reasonably accommodate a disabled employee. 

The City is dedicated to making its programs, services and activities accessible to individuals with qualified disabilities. If you require reasonable accommodations to complete the employment application and/or participate in the testing process, please contact Human Resources at (626) 812-5183 prior to the filing deadline. We will attempt to reasonably accommodate applicants with disabilities upon request.

THANK YOU FOR TAKING THE TIME TO APPLY FOR A CAREER OPPORTUNITY WITH THE CITY OF AZUSA!

Employer

City of Azusa

Address

Azusa City Hall – West Wing

E. Foothill Blvd.

Azusa, California, 91702

Phone

626-812-5183

Website

http://www.azusaca.gov

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