Utility District Maintenance Worker II (#RC0522)
$27.03-$32.85 Hourly / $4,684.44-$5,693.97 Monthly / $56,213.37-$68,327.70 Yearly


Under direction, 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 second certified level in the Utility District Maintenance Worker series. Incumbents in this certified level hold valid certifications in one of the following combinations: Either 1) water treatment and water distributions; OR 2) wastewater treatment and collections systems maintenance. Incumbents in this class perform skilled specialized work in areas of assignment that are associated with operating and maintaining water, sewer and storm drainage systems; maintaining related machinery, equipment, lines, buildings, and grounds; and may act as lead workers.


  • Performs skilled work in the operations and maintenance of sewage treatment facilities or water production equipment; may perform lab analysis and tests; assesses maintenance needs; makes repairs and/or adjustments to mechanical and electrical equipment, as necessary.
  • 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 and interprets maps, drawings, gauges, meters and charts; records readings or reports findings.
  • May act as lead worker; assists in training employees on safe and proper work practices and procedures; handles more difficult equipment/mechanical problems.
  • Responds to customer inquiries and complaints requiring a high level of expertise to resolve problems.
  • Cleans and repairs Utility District buildings and grounds and related facilities.
  • Operates a variety of trucks and other tools and equipment.
  • Prepares maintenance and other reports.
  • Works without immediate supervision nights, weekends, holidays, and callback situations.


Certification: Possession of: 1) a valid Grade I Wastewater Treatment Plant Operator Certificate issued by the State of California State Water Resources Control Board; AND 2) a valid Grade I Collection System Maintenance Technologist issued by the California Water Environment Association (CWEA). 

Certification: Possession of: 1) a valid Grade T1 Water Treatment Certificate issued by the State of California Department of Health; AND 2) a valid Grade D1 Water Distributions Operator Certificate issued by the State of California Department of Health. 

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


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


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; operate computers and related software; maintain accurate records; prepare written reports; understand and follow written and oral instructions; 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: RC0522; EST: 2/14/2007;