WASTEWATER CONVEYANCE OPERATOR (WASTEWATER COLLECTION WORKER) 4110 (B) (REV 08-12-25)

Wastewater Conveyance Operator

A Wastewater Conveyance Operator performs a variety of semi-skilled and skilled tasks in the maintenance and repair of sanitary sewers and storm drains; operates highly specialized sewer and storm drain cleaning equipment; utilizes laptop computers to complete work assignments; performs research on wastewater collection assets; and may act as a working field supervisor over a small group of employees.

A Job Preview with additional information regarding the duties and requirements of a Wastewater Conveyance Operator will be available for candidate review during the on-line application process, and is also available on the City website at

Requirement(s)/Minimum Qualification(s)

One year of full-time paid experience with the City of Los Angeles Department of Public Works, Bureau of Sanitation, Wastewater Collection Systems Division, as a Maintenance Laborer, Maintenance and Construction Helper, or Mechanical Helper; or one year of full-time paid experience in the maintenance, repair or construction of municipal sanitary sewers or storm drain systems.

All entry-level positions are temporary training positions as defined in Civil Service Commission Rule 5.30. A Wastewater Conveyance Operator in a trainee position must successfully complete a three-year training period which will include operational, safety, commercial driving, and on-the-job training. Trainees must also complete a correspondence course offered by the California State University of Sacramento in operating and maintaining wastewater collection systems.

A valid Class C and Class A or B driver's license issued by the California Department of Motor Vehicles (DMV) is required at the time of appointment. Candidates will not be eligible for appointment to these positions if their DMV record within the last 36 months reflects three or more moving violations and/or at-fault accidents, or a conviction of a major moving violation such as DUI.

A California Water Environment Association Grade I Certificate in Wastewater Collection System Maintenance is required within three years from the date of appointment to the class.

Where To Apply & Application Deadline

Applications will only be accepted on-line on the dates listed in the "Application Deadline" section of this bulletin. 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

Applicants are urged to apply early to ensure you have time to resolve any technical issues.

Applications will only be accepted on-line on the dates listed below:

Filing Period 1: FRIDAY, AUGUST 29, 2025 to THURSDAY, SEPTEMBER 11, 2025

The examination may close without prior notice at any time after a sufficient number of applications have been received. Filing periods may change without prior notice or additional dates may be added, as needed, at a later date. For administrative purposes, filing will close periodically and reopen on the dates noted in the "Application Deadline" section of this bulletin.

In accordance with Civil Service Rule, Sec. 4.2, all applicants who apply may not be tested in this examination. To meet anticipated hiring needs, only a limited number of qualified applicants will be invited to participate in the selection process in the following order: 1) Los Angeles City Promotional applicants who meet the minimum requirements. You must have received a regular appointment to a City position or be on a reserve list to apply for this examination as a promotional candidate; 2) Applicants currently employed by the City of Los Angeles on a part-time or exempt basis who meet the minimum requirements; 3) Remaining applicants who meet the minimum requirements in sufficient numbers to meet hiring needs based on random sampling of those qualified candidates. Applicants not selected to be tested may re-apply in a subsequent filing period in order to be considered for that period's selection process.

Selection Process

Examination Weight: Multiple-Choice Test - 100%

The examination will consist of a weighted multiple-choice test administered and proctored on-line. In the on-line multiple-choice test, the following competencies may be evaluated: Reading Comprehension; Mechanical Aptitude; Interpersonal Skills; Equipment Operation, including knowledge of: California Department of Motor Vehicle Code (DMV) concerning the operation of Class B vehicles; Motor Vehicle Code and special maintenance procedures for various vehicles; Safety Focus, including knowledge of: Cal/OSHA regulations regarding the use of personal protective equipment (PPE); safety equipment, emergency equipment, and first aid supplies that conform to Cal/OSHA rules and regulations; personal and specialized safety equipment required for working in confined spaces; Job Knowledge, including knowledge of: the use of various hand tools; common defects in equipment sufficient to identify the needs for repair; common sewer problems encountered in the field sufficient to correct the defects; potential storm drain problems sufficient to detect and correct issues; and other necessary skills, knowledge, and abilities.

Additional job analysis information can be obtained by going to and clicking on Competencies under Wastewater Conveyance Operator.

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 will receive an e-mail from the City of Los Angeles outlining the dates and specific steps on how to take the multiple-choice test on-line. 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.

For candidates who apply during Filing Period 1, it is anticipated that the on-line multiple-choice test will be administered between TUESDAY, OCTOBER 28, 2025 and MONDAY, NOVEMBER 3, 2025.

FAQs for on-line testing are available at Candidates who do not have the required equipment may have the option to take the multiple-choice test onsite at a City facility.

This examination is based on a validation study, and as provided by Civil Service Commission Rule 4.20, the multiple-choice test will not be subject to candidate inspection.

Based on the Federal Omnibus Transportation Employee Testing Act of 1994, you may be required to undergo mandatory drug and alcohol testing prior to and during employment in this class.

As a covered entity under the Fair Employment and Housing Act and Title II of the Americans with Disabilities Act, the City of Los Angeles does not discriminate on the basis of disability and upon request, will provide reasonable accommodations to ensure equal access to its programs, services, and activities. To request a disability accommodation, please complete the Disability Accommodation Form within 14 calendar days of the submittal of the City application. The Disability Accommodation Form can be obtained at (Download PDF reader).

Applications are accepted subject to review to ensure that minimum qualifications are met. Candidates may be disqualified at any time if it is determined that they do not possess the minimum qualifications stated on this bulletin.

A final average score of 70% or higher is required to be placed on the eligible list.

In conjunction with Civil Service Rules, applicants who have received a regular appointment to a City position or are on a reserve list will be considered Promotional candidates while all other applicants will be considered Open candidates.

Seniority credit at the rate of 0.25 of a point for each year of continuous classified City service will be added to the weighted test score of each promotional candidate.

The promotional list will ordinarily be used ahead of the open competitive list. However, if open competitive candidates receive a higher score, without military credits, than the highest available promotional candidate, after adding 0.25 of a point seniority credit for each year of continuous classified City service, the Civil Service Commission, upon request of the appointing authority, may approve certification of such open competitive candidates ahead of the promotional candidates.

In accordance with Civil Service Rule, Sec. 4.24, review periods may be combined. Candidates in the examination process may file protests as provided in Sec. 4.20, 4.22, and 4.23 as applicable and within the required time frame; however, the Personnel Department may respond to and resolve protests prior to the establishment of the eligible list.

You may take the Wastewater Conveyance Operator multiple-choice test only once every 24 months under this bulletin. If you have taken the Wastewater Conveyance multiple-choice test during an open filing period in the Personnel Department within the last 24 months under this bulletin, you may