|FLSA Designation: Non-Exempt
WASTEWATER TREATMENT PLANT OPERATOR III
Class specifications are intended to present a descriptive list of the range of duties
performed by employees in the class. Specifications are not intended to reflect all duties
performed within the job.
Under direction of the Wastewater Treatment Plant Supervisor, leads oversees, reviews and
participates in the more complex and difficult work of staff responsible for the operation
and maintenance of a variety of plant equipment in connection with the continuous operation
of the City’s wastewater treatment plant; ensures compliance with all state and federal
wastewater quality standards; monitors wastewater treatment plant processes; oversees and
makes repairs and adjustments to equipment in the operation and maintenance of the
wastewater treatment plant; oversees and performs laboratory tests; prepares and maintains
a variety of records and reports related to area of assignment; ensures work quality and
adherence to established policies and procedures; and provides training to lower level
This is the advanced journey/lead level class in the Wastewater Treatment Plant Operator
series. Positions at this level are distinguished from other classes within the series by
the level of responsibility assumed and the complexity of duties assigned. Employees
perform the most difficult and responsible types of duties assigned to classes within this
series including providing lead supervision to assigned staff and performing a full range
of technical and administrative duties in support of the Division. Employees at this level
are required to be fully trained in all procedures related to assigned area of
responsibility and possess a Grade III Wastewater Treatment Plant Operator Certificate.
The following duties are typical for this classification. Incumbents may not perform all of
the listed duties and/or may be required to perform additional or different duties from
those set forth below to address business needs and changing business practices.
- Leads, plans, trains, and reviews the work of staff responsible for the operation and
maintenance of a variety of plant equipment in connection with the continuous operation of
the City’s wastewater treatment plant; ensures compliance with all state and federal
wastewater quality standards.
- Trains assigned employees in their areas of work including wastewater treatment plant
methods, procedures, and techniques; identifies training opportunities and needs; makes
recommendations to Manager as necessary.
- Oversees the use, care and operation of wastewater treatment plant equipment including
vehicles, power tools and equipment.
- Verifies the work of assigned employees for accuracy, proper work methods, techniques
and compliance with applicable standards and specifications; ensures adherence to safe work
practices and procedures.
- Oversees and participates in operating, inspecting, cleaning, repairing, replacing and
maintaining pumps, motors, filters and related equipment; performs major plant repairs as
- Performs treatment plant rounds inspecting, monitoring, and documenting plant
operations by reading plant equipment gauges, dials, computer screens, graphs, and other
instrumentation; makes appropriate adjustment to process controls, ensuring that
operational problems are identified and corrected; ensures that plants are operating within
safety standards established by federal, state and local laws, ordinances and regulations;
provides training for less experienced personnel.
- Oversees and participates in performing general, grounds and preventive maintenance and
repair in and around plant facilities including lubricating equipment, cleaning drying beds
and washing down belt press and truck bays; switches out polymer bins as necessary;
performs landscape duties including mowing, edging, and weed abatement.
- Operates a variety of vehicles, tools, and equipment necessary to maintain the
wastewater treatment plant system and equipment.
- Oversees and participates in performing skilled water pollution control laboratory
testing and analysis; monitors the operation of industrial wastes instrumentation for
proper monitoring; adheres to quality assurance programs for laboratory analysis and
instrumentation; performs calibration checks; makes chemical solutions for proper operation
of online chlorine analyzers and dechlorination analyzer.
- Orders and stores chemicals and other materials and supplies used at the wastewater
- Coordinates maintenance activities with supervisor; makes process changes as needed;
reports any problems in plant operations; notifies regulatory agencies with any discharge
violations that may occur.
- Participates in preparing performance evaluations for assigned staff; oversees and
participates in preparing, maintaining, and/or submitting a variety of written records and
reports in compliance with state and federal mandates for reporting.
- Assists in plant expansion projects as necessary; attends construction project
meetings; works with contractors throughout the construction phase; responds to questions
and inquiries as necessary.
- May assist in sewer collection maintenance and cleaning activities and utilities
marking as needed; performs routine maintenance on rolling stock.
- Responds to public inquiries in a courteous manner; provides information within the
area of assignment including explaining wastewater treatment procedures; resolves
complaints in an efficient and timely manner.
- Estimates time, materials and equipment required for jobs assigned; requisitions
materials as required.
- Attends training and safety meetings as necessary.
- Performs after-hours emergency work as necessary.
- Performs related duties as required.
The following generally describes the knowledge and ability required to enter the job
and/or be learned within a short period of time in order to successfully perform the
Operations, services, and activities of a wastewater treatment plant.
Principles of lead supervision and training.
Advanced principles and practices of wastewater treatment plant operations.
Advanced principles and practices of repair, maintenance and adjustment procedures for
wastewater treatment plant equipment.
Advanced methods and techniques of reading and interpreting gauges, recording devices, and
related system monitors.
Operating principles of plant equipment such as pumps and motors.
Tools, equipment, and procedures used in the operation and maintenance of wastewater
treatment plant facilities.
Emergency maintenance and repair procedures related to wastewater treatment facilities.
Advanced laboratory methods including sampling techniques.
Chemical and biological tests used in monitoring wastewater treatment plant processes.
Maintenance and operation of equipment commonly found in a wastewater treatment plant.
Principles, practices and methods of basic laboratory testing methods and procedures.
Characteristics and problems involved with wastewater and industrial water analysis.
General maintenance and repair work.
Occupational hazards and standard safety practices.
Principles and practices of record keeping and reporting.
Basic office procedures, methods, and equipment including computers and applicable software
Occupational hazards and standard safety practices.
Pertinent federal, state, and local laws, codes, and regulations.
Lead, organize, and review the work of staff.
Interpret, explain, and enforce department policies and procedures.
Plan, organize and carry out maintenance and operations of a water plant.
Operate and maintain a variety of wastewater treatment plant equipment and facilities.
Monitor and maintain plant processes at an optimal and cost effective level.
Adjust controls and treatment processes located in a wastewater treatment facility.
Read and interpret gauges and recording devices monitoring plant operations.
Operate assigned equipment and tools in a safe and effective manner.
Perform routine maintenance.
Basic wastewater testing.
Collect a variety of samples for laboratory testing.
Maintain accurate records and prepare comprehensive reports.
Perform plant operation and maintenance assignments.
Safely and effectively operate the tools and equipment used in wastewater plant maintenance
Operate office equipment including computers and supporting software applications.
Maintain records and files.
Work independently in the absence of supervision.
Understand and follow oral and written instructions.
Communicate clearly and concisely, both orally and in writing.
Establish and maintain effective working relationships with those contacted in the course
Education and Experience Guidelines - Any combination of education and experience
that would likely provide the required knowledge and abilities is qualifying. A typical way
to obtain the knowledge and abilities would be:
Equivalent to the completion of the twelfth grade supplemented by specialized training in
wastewater treatment plant operations and/or maintenance.
Three years of experience in the operation and maintenance of a wastewater treatment plant
while certified as a Grade II Operator.
License or Certificate:
Possession of, or ability to obtain, an appropriate driver’s license.
Possession of a Grade III Certificate as a Wastewater Plant Operator from the California
State Water Resources Control Board.
PHYSICAL DEMANDS AND WORKING ENVIRONMENT
The conditions herein are representative of those that must be met by an employee to
successfully perform the essential functions of this job. Reasonable accommodations may be
made to enable individuals with disabilities to perform the essential job functions.
Environment: Wastewater treatment plant and field environment; exposure to noise,
dust, grease, fumes, gases, potentially hazardous chemicals, electrical energy, and
inclement weather conditions including wet and/or humid conditions; work around water or
wastewater; work on slippery surfaces; regularly work near moving mechanical parts; and
work around moderately loud noise levels; incumbents may be required to work evenings,
nights, and weekends.
Physical: Primary functions require sufficient physical ability and mobility to work
in a wastewater treatment plant and field environment; walk, stand, and sit for prolonged
periods of time; frequently stoop, bend, kneel, crouch, crawl, climb, reach, and twist;
push, pull, lift, and/or carry moderate to heavy amounts of weights; operate assigned
equipment and vehicles; ability to verbally communicate to exchange information.
Vision: See in the normal visual range with or without correction.
Hearing: Hear in the normal audio range with or without correction.