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Small Water System Operator Jobs in California (NOW HIRING)

Water System Operator

Fresno, CA · On-site

$28.14 - $35.91/hr

Water System Operators (WSO) may be assigned to a day or night shift. When assigned to the day ... Repair small breaks or leaks and assists in the closure of large breaks and * Inform supervisors of ...

Water System Operator

Sacramento, CA · On-site

$81K - $98K/yr

Under direction, Water System Operators perform work in connection with the operation, maintenance, construction, and repair of water distribution systems, water treatment facilities, water wells ...

WATER SYSTEM OPERATOR II

Torrance, CA · On-site

$6.7K - $7.7K/mo

The City of Torrance is recruiting for a Water System Operator II t o be part of the Public Works Department's Torrance Municipal Water Division Team! The Department The Public Works Department ...

We are looking for a full-time Water Treatment System Operator , who will work directly on treatment plants designed to treat contaminated groundwater and vapor. This role will be based at our client ...

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Small Water System Operator information

What are the key skills and qualifications needed to thrive as a Small Water System Operator, and why are they important?

To thrive as a Small Water System Operator, you need a solid understanding of water treatment processes, regulatory compliance, and basic mechanical skills, often supported by a high school diploma and state operator certification. Operators commonly use water testing equipment, SCADA systems, and basic lab analysis tools to monitor and manage water quality. Attention to detail, problem-solving ability, and effective communication are valuable soft skills in this role. These competencies ensure the safe delivery of potable water, compliance with health standards, and prompt resolution of operational issues.

What is the difference between Small Water System Operator vs Water Treatment Plant Operator?

AspectSmall Water System OperatorWater Treatment Plant Operator
CertificationsTypically requires state-specific water operator licensesRequires state or federal water treatment operator licenses
Work EnvironmentManages small community or municipal water systems, often on-siteOperates large-scale water treatment facilities, often in industrial settings
Employer & IndustryLocal government, small municipalities, private water providersMunicipalities, industrial plants, large water treatment facilities

The Small Water System Operator and Water Treatment Plant Operator roles share similar certifications and work environments, focusing on water quality and safety. However, the Small Water System Operator typically manages smaller systems with fewer resources, while the Water Treatment Plant Operator handles larger, more complex facilities. Both roles are essential for maintaining safe drinking water and are often searched for by individuals seeking careers in water management.

What are small water system operators?

Small water system operators are professionals responsible for managing, maintaining, and monitoring water supply systems that serve small communities or facilities, typically with fewer than 3,300 people. Their duties include ensuring water quality, conducting routine inspections, testing for contaminants, and maintaining equipment. They must comply with local, state, and federal regulations to ensure the water is safe for public consumption. Operators may also be involved in emergency repairs and customer communication regarding water safety. Certification and ongoing training are often required for this role.

What are some common challenges faced by Small Water System Operators, and how can they be addressed?

Small Water System Operators often face challenges such as limited staffing, tight budgets, and aging infrastructure. These factors can make it difficult to keep up with regular maintenance, regulatory compliance, and unexpected repairs. Operators can address these challenges by prioritizing preventive maintenance, staying up-to-date with training and certification requirements, and establishing strong communication with local authorities and regulatory agencies. Networking with other operators and leveraging available resources can also help in troubleshooting and problem-solving.
What are popular job titles related to Small Water System Operator jobs in California? For Small Water System Operator jobs in California, the most frequently searched job titles are:
What job categories do people searching Small Water System Operator jobs in California look for? The top searched job categories for Small Water System Operator jobs in California are:
Infographic showing various Small Water System Operator job openings in California as of July 2026, with employment types broken down into 48% Full Time, 49% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.
Water System Operator

$28.14 - $35.91/hr

Full-time

Posted 5 days ago


Job description

Under general supervision, regulates the flow and distribution of irrigation water to growers' canals and ditches further downstream; handles grower complaints and problems; inspects for leaks and spills; repairs small leaks and assists on larger leaks and bank breaches; and performs related work as required.
DISTINGUISHING CHARACTERISTICS:
The Water Systems Operator series are flexibly staffed. Incumbents in this classification progress through this series based on time in grade and demonstrated proficiency at the next higher level. Water System Operators (WSO) may be assigned to a day or night shift. When assigned to the day shift, the WSO is responsible for a smaller geographical area of Fresno Irrigation District and works closely with customers and assists them with their problems and needs.
When assigned to the night shift, the WSO is responsible for a larger geographical area of Fresno Irrigation District and more time is spent inspecting for proper flow and level throughout the assigned area as well as leaks and breaks.
Due to the nature of Water Systems Operator work, employees are expected to perform work at a lower-level classification when there is insufficient work at their assigned level. Employees may be assigned to work at a higher level for training purposes. During the non-water season, incumbents will be assigned to Construction and Maintenance Department and take on the duties of C/M Worker I or II (depending on length of tenure with District and specific skills, abilities, and experience). Duties of Construction/Maintenance Lead may be applicable as well as assignment to another division or department of the District.
This position reports to the Water Supervisor.
This position is considered safety-sensitive and, therefore, is included in the random drug screening program.
WSO I - Any combination of education and experience that would likely provide the necessary knowledge and abilities is qualifying. A typical way to obtain knowledge and abilities would be the possession of a high school diploma or equivalent; experience working on a farm such as in irrigating crops or related activities; use of hand tools and small power tools. Employee must successfully complete Core Values training.
WSO II - To qualify for this position, the incumbent must have worked at least 6 years for the District as a WSO I or Construction Maintenance Worker. Employee must have successfully completed Core Values training and consistently demonstrated FID Core Values in the workplace.
WSO III: To qualify for a WSO III position: The employee must have worked for the District at least seven
(7) continuous years; Satisfactory experience for a full season on a minimum of two (2) runs including either tail-end, night run or specialized operations - Tail-end runs 105, 109, 112, 104, 111, 108; Night runs-113, 114, 115; specialized operations; Demonstrated proficiency in a minimum of four (4) specialized construction/maintenance skills. Specialized construction/maintenance skills to include four (4) of the following - Pipeline Repair, Gate Repair, Canal Lining Repair and Installation, Canal Structure Modification and Installation, Sloping, Brushing, Pipeline Installation, Spray Rig Operator, Possession of special license, new construction, heavy equipment operation, crew leader of any of the above other specialized work and completion of any District required education and/or certification. completion of any District required education and /or certification. In addition, incumbent must have successfully completed Core Values training and consistently demonstrated FID Core Values in the workplace.
SUPERVISION EXERCISED:
This position does not supervise. However, all employees have responsibility to orientate, train, and assist employees of lower-level classifications.
EXAMPLES OF DUTIES:
The duties listed below represent the various types of work and essential functions that may be performed. The omission of specific statements of duties does not exclude them if the work is related or a logical assignment to this class.
  • Receive an annual schedule of water allocations in the assigned
  • Work with customers to ensure water delivery during the time
  • Ensure the proper flow and delivery of irrigation water in an assigned area, adjust water systems to maintain proper flow.
  • Regulate headgates, turn-offs, and diversions to ensure proper water levels in canals, ditches, and ponding basins.
  • Inspect and maintain water
  • Record meter readings; measure water deliveries and make physical reading from ponding basis to Metropolitan Flood Control basins.
  • Daily use of tablets for a variety of FID-related duties
  • Collects and records all required daily readings
  • Keep distribution system free of obstructions, clean trash racks, and schedule trash
  • Contact customers to advise them when water will be delivered or when aquatic herbicides are being used in the system.
  • Ensure customers do not exceed their
  • Inspect for leaks, breaks, and
  • Resolve customer complaints within a level of authority and refers to complaints beyond the level of authority to supervisor.
  • Repair small breaks or leaks and assists in the closure of large breaks and
  • Inform supervisors of problems with the supply of
  • Inform the maintenance of large leaks or
  • Prepare and prioritize work order
  • Report encroachments, water theft, and homeless
  • Train and mentor new
  • Respond to emergency calls during the assigned

  • Perform varied duties in the construction, repair, and maintenance of irrigation canals, pipelines, and structures.
  • Perform other duties as

TEMPORARY DUTIES:
  • Pipeline Crew - may be temporarily assigned to pipeline crew requiring Fit-Testing, remaining clean-shaven to ensure respirator seal, and using the respirator when required. See most recent version of Memorandum of Agreement (MOA) regarding fit-testing pay for temporary duties. See Confined Space Program for rules and regulations.

EMPLOYMENT STANDARDS:
Education, Training, and Experience:
Any combination of education and experience that would likely provide the necessary knowledge and abilities is qualifying. A typical way to obtain knowledge and abilities would be the possession of a high school diploma or equivalent; experience working on a farm such as in irrigating crops or related activities; use of hand tools and small power tools.
Licenses and Certificates:
Driving is an essential function of this position. Possession of a valid California class C driver's license may be required at the time of appointment. Failure to obtain or maintain such required license(s) may be cause for disciplinary action. Individuals who do not meet this requirement due to physical disability will be considered for accommodation on a case-by-case basis.
Possession and proof of a good driving record as evidenced by freedom from multiple or serious traffic violations or accidents for at least two (2) years duration. The driving record will not contribute to an increase in the District's automobile rates.
Knowledge of:
  • Safe working
  • Basic math, reading, writing in
  • Knowledge of computers and software to perform job
  • Basic hydraulics and water flow; simple mechanical principles; various types of water gates, diversions, and turnouts.
  • Fresno Irrigation District distribution
  • Rules and regulations governing water distribution and applicable water
  • Water banking
  • Knowledge of crops and crop survey
  • Confined space
  • Methods used in balancing water flow within an assigned
  • Hand tools and small power

Ability to:
  • Work and drive

  • Keep accurate and legible
  • Follow water
  • Read gauges, meters, and other measurement
  • Convert gallons per minute (GPM) to cubic feet per second (CFS) and acre feet (AF).
  • Visually evaluate the flow and level of
  • Recognize shortages and overages of water flows in an assigned area of the distribution
  • Recognize the signs of canal breaks or
  • Recognize unsafe
  • Communicate and coordinate via telephone or in person with WSO partner and
  • Communicate via telephone or in person with customers and other
  • Use a computer, laptop, and
  • Resolve customer problems and
  • Repair small leaks and
  • Determine priorities and decide the first course of action upon discovering large breaks or
  • Resolve water theft
  • Use hand tools and light power tools used in construction and
  • Establish and maintain cooperative relationships with those contacted in the course of
  • Adjust duties based on weather conditions and

Physical and Mental Standards
The physical and mental demands described here are representative of those that must be met by employees to successfully perform the essential functions of this class. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Operates District vehicles and equipment used in construction, maintenance, and repair
  • Must be able to push, pull, reach, and lift equipment and parts weighing up to fifty (50)
  • Stoops, kneels, crouches, crawls, and climbs during maintenance and repair
  • Works in an environment with exposure to dust, dirt, sharp objects, human waste, hazardous materials, and/or weed abatement chemicals, and significant temperature changes between heat and cold.
  • Communicates orally with District staff in face-to-face, one-on-one
  • Regularly uses a telephone for
  • May sit or stand or walk on uneven terrain for extended time
  • Hearing, vision and eye-hand coordination sufficient to operate foot and hand controls and to maintain good awareness during maintenance and construction jobs.
  • May work a variety of scheduled shifts and work overtime as required during the irrigation
  • During the non-irrigation system, be assigned a forty-hour workweek on various

Other Conditions of Employment:
  • Employee will follow all safety
  • Employee will observe and follow all District policies and
  • Employee will report to work at the appointed time for each day he or she is scheduled to

  • During paid work time, employee will perform all work tasks and responsibilities to the best of his or her ability with the focus on quality and timely completion.
  • Employee will work cooperatively with co-workers and
  • Employee will represent the District in a positive and professional manner at all

TYPICAL WORKING CONDITIONS:
Work is primarily performed in an outside environment.