Utility District Maintenance Worker I (#RC0521)
$25.36-$30.83 Hourly / $4,396.26-$5,343.68 Monthly / $52,755.18-$64,124.25 Yearly


Under general supervision, operates and maintains 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 first certified level in the Utility District Maintenance Worker series. Incumbents in this class perform routine and emergency duties operating and maintaining water, sewer and storm drainage systems and maintaining the related machinery, equipment, lines, buildings, and grounds.


  • Performs water and wastewater treatment systems preventive maintenance and operations; checks operations of sewage treatment facility and water production equipment such as pumps, electrical controls, meters, valves, bearings, motors and chlorination equipment; does basic lab analysis and tests; cleans, lubricates, adjust and repairs mechanical and electrical equipment.
  • Cleans sewer lines and storm drains; operates sewer rodding equipment and other sewer cleaning tools; repairs sewer and water lines; repairs or replaces sewer and water mains and connections.
  • Reads maps, drawings, gauges, meters and charts; records readings or reports findings.
  • Cleans and repairs Utility District buildings and grounds and related facilities.
  • Answers questions from the public and makes appropriate referrals.
  • Operates a variety of trucks and other tools and equipment.
  • Prepares maintenance and other reports.
  • May assist in training other employees.
  • May work without immediate supervision nights, weekends, holidays, and callback situations.


Certification: Possession of a valid Grade I Wastewater Treatment Plant Operator Certificate issued by the State of California State Water Resources Control Board OR a valid Grade T1 Water Treatment Certificate issued by the State of California Department of Health.

License: Possession of a valid California driver’s license.


Any combination of knowledge in basic principles and practices of water, wastewater and sewer systems operation and maintenance; mechanical, electrical and plumbing principles and practices; repair, maintenance and adjustments for water, sewer and wastewater systems equipment; sample collection and basic laboratory testing procedures; basic arithmetic and conversions; safe working practices and procedures; laws, regulations, policies, and procedures relevant to water/wastewater operations and treatment.


Inspect, repair and maintain plumbing, electrical and mechanical equipment, and facilities; operate tools and equipment; locate and clean sewer stops and water leaks; read maps, drawings, charts, meters and gauges; maintain accurate records; prepare written reports; understand and follow written and oral instructions; operate computers and related software; learn principles of maintenance and operation of water and wastewater systems; sustain physical exertion and coordination in adverse conditions; communicate effectively, both orally and in writing; establish and maintain safe, effective working relationships with others.


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: RC0521; EST: 12/9/1970; REV: 2/14/2007;