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Job description
Water Treatment OperatorEmployer: City of Los AngelesSalary: $81,703 to $142,025 AnnuallyLocation: CITY OF LOS ANGELES, CAJob Type: FULL-TIMEJob Number: 5885 ODepartment: DWP - JointApplication Deadline: ContinuousDutiesA Water Treatment Operator does skilled work in the operation, regulation, maintenance and repair of equipment used in the treatment of potable water.Entry-level positions are trainee positions. A Water Treatment Operator in a training position must obtain a T3 (or higher) Water Treatment Operator license and be assigned to a permanent position within three years. A Water Treatment Operator in a trainee position receives extensive on-the-job training, which must be completed prior to assignment to a permanent position. Assignment to the highest pay grade may require higher-grade certification.Water Treatment Operators will be required to work with hazardous chemicals. Cal/OSHA Regulations require that all employees engaged in such work must wear a Self-Contained Breathing Apparatus (SCBA). Therefore, all Water Treatment Operators will be medically evaluated to certify that they are physically able to wear the SCBA and must be free of any facial hair that would impair a good SCBA mask-to-face seal.Requirement(s)/Minimum Qualification(s)A valid T2 (or higher) Water Treatment Operator license and a D1 (or higher) Water Distribution Operator License issued by the California State Water Resources Control Board are required at the time of filing.A copy of the current Water Treatment Operator and Water Distribution Operator licenses must be submitted with the application and maintained during the course of employment. Applicants must attach a copy of their Water Treatment Operator and Water Distribution Operator License to the on-line application before the application is submitted. As a condition of employment, a valid Class C driver's license issued by the California Department of Motor Vehicles (DMV) is required at the time of appointment.Where To Apply & Application DeadlineApplications will only be accepted on-line. When you are viewing the on-line job bulletin of your choice, simply scroll to the top of the page and select the "Apply" icon. On-line job bulletins are also available at will only be accepted on-line on the dates listed below:From FRIDAY, MAY 8, 2026 to THURSDAY, MAY 21, 2026Selection ProcessExamination Weight: Multiple-Choice Test - 100%The examination will consist entirely of a multiple-choice test administered and proctored on-line. Candidates may be tested for knowledge of the function and operation of water treatment materials and equipment, variations in process flow, basic chemistry and biology associated with water treatment, basic water treatment terms, methods, and practices, procedures used for chemical testing, appropriate residual and treatment levels of chlorine and other chemicals used in water treatment, arithmetic and algebra sufficient to calculate unit conversions and perform calculations such as flow rates, weights, and volumes, scales, instruments, and units for measurements related to water treatment, OSHA and other general safety regulations, procedures, and practices related to water treatment, and the ability to read and interpret material sufficient to apply the information to specific situations, read line graphs, bar charts, and other types of graphs and in adjusting rapidly to changes in scale, use gauges and other standardized equipment to adjust equipment used in water treatment, use and care for hand tools and powered hand tools, use computer terminals sufficient to retrieve and enter data or control processes of water treatment, relate to the public pleasantly and courteously, mechanical aptitude sufficient to perform safely and correctly such tasks as using tools based on levers and working with or near equipment with moving parts, and other necessary skills, knowledge, and abilities.The multiple-choice test will be proctored and administered on-line during a single session. Candidates invited to participate in the on-line multiple-choice test will be able to take the test from a remote location (i.e., their home) using a computer with a webcam and a reliable internet connection. Candidates who do not complete and submit the remote proctored multiple-choice test on-line using a computer by the specified date and time will not be considered further in this examination.
Worksite address
los angeles, CA, 90001, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.