Utility District Maintenance Supervisor (#RC0525)
$30.69-$37.31 Hourly / $5,320.43-$6,467.02 Monthly / $63,845.22-$77,604.26 Yearly


Under direction, performs supervision of a crew of utility maintenance workers; participates in operating and maintaining Utility District equipment and facilities; and does related or other work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.


This is the supervisory class in the certified Utility District Maintenance Worker series. Incumbents in this supervisory class hold valid certifications in water treatment, wastewater treatment, and in either water distributions or collection system maintenance. Incumbents supervise a team of Utility District Maintenance Workers and participate in the maintenance and operation of water, sewer and storm drainage systems and equipment. Incumbents are assigned primary responsibility for one section of district operations, but assist in all areas as required.


  • Assigns and supervises work crews; coordinates maintenance and operations assignments; ensures that necessary equipment and supplies are on job sites.
  • Assigns, reviews and evaluates the work of subordinate staff; trains and orients staff; may assign Utility District Maintenance Workers to train new employees on specific tasks or routines.
  • Operates, maintains and repairs water, sewer and storm drainage systems; troubleshoots, adjusts and repairs mechanical and electrical equipment.
  • Collects samples of wastewater, sludge, well water and other materials; tests samples or prepares samples for testing.
  • Operates sewer cleaning equipment, motor vehicles and other equipment; repairs sewer, water and storm drainage systems.
  • Reads and logs gauges, meters, charts and other instruments; maintains records; prepares correspondence and reports.
  • Performs weed and plot control work.


Certification: Possession of 1) a valid Grade T1 Water Treatment Operator Certificate issued by the State of California Department of Health; and 2) a valid Grade I Wastewater Treatment Plant Operator Certificate issued by the State of California Water Resources Control Board; and 3) EITHER a valid Grade D2 Water Distributions Operator Certificate issued by the State of California Department of Health OR a valid Grade 2 Collection System Maintenance Technologist Certificate issued by the State of California Water Environment Association (CWEA).

Special Requirement: If newly hired incumbents do not: 1) hold valid certifications in both Grade T1 Water Treatment Plant Operator and Grade I Wastewater Treatment Plant Operator certification, and 2) have obtained the required higher levels of Grade D2 Water Distributions Operator OR Grade 2 Collection System Maintenance Technologist certifications, they shall have one (1) year from the date the first state examination is offered to obtain the required certifications. Failure to successfully pass exams and obtain the required certifications may result in release from the position.
License: Possession of a valid California driver’s license.


Principles and practices of supervision and training; laws, regulations, policies, and procedures relevant to water/wastewater operations and treatment; the chemical and physical processes involved in the treatment of water and wastewater; machinery, equipment, materials and operating practices of modern sewage treatment facilities; standard practices, tools, and materials used in maintenance of sewage treatment plants, sewer systems, water systems and storm drainage systems; basic arithmetic and conversions; sample collection and laboratory testing procedures; safe working practices and principles. (other knowledge for water/collections specific issues?)


Supervise and train staff; operate and maintain water and wastewater treatment facilities; inspect mechanical equipment, detect flaws and defects in operation and repair equipment; operate tools and equipment; operate computers and related software; prepare reports and maintain operation records; understand and give oral and written instructions; communicate effectively, both orally and in writing; establish and maintain effective working relationships with others; sustain physical exertion and coordination in adverse conditions.


Mobility-Operation of a data entry device; frequent walking, pushing, pulling, bending, squatting, driving for extended periods of time; occasional climbing; sitting, standing, running, crawling; occasional operating of heavy equipment; Lifting-Frequently 5 to 30 lbs or less; occasional 30 to 70 lbs; occasionally restraining, lifting and/or turning heavy objects; Visual-Good overall vision, color perception, depth perception; occasional reading and close-up work; normal hand and eye coordination; good field of vision/peripheral; Dexterity-Frequent holding, reaching; grasping; occasional repetitive motion; frequent writing; Hearing/Talking-Frequent hearing of normal speech; occasional hearing/talking on the radio, talking in person, exposure to traffic noise; ability to hear faint sounds; Emotional/Psychological-Frequent concentration, and decision making, public contact, working alone; occasional exposure to trauma, grief, and death; occasional exposure to hazardous materials; occasional dealing with emergency situations; Special Requirements-May require working overtime, weekends, nights and holidays; occasional travel; Environmental-Frequent exposure to dirt, dust, smoke, fumes, odors, and varied weather conditions.

San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RC0525; EST: 9/28/1988; REV: 2/14/2007;