Established: 01/99
FLSA: Exempt
EEO: 7



Under general direction, to plan, organize and direct the activities and personnel involved in the operation and process control of wastewater treatment plants and related equipment, instruments, and machinery; supervise the work of plant operations personnel; coordinate wastewater analyses with the analysis services division, and to do other work as required.


The Department of Water Environment Services manages and operates the County’s utility service districts, including sewage facilities, collection systems, pump stations, treatment plants and surface water management.

The Wastewater Operations Supervisor is responsible for supervising, coordinating, and monitoring the operation of a wastewater treatment plant and staff. The incumbent schedules, coordinates, and provides field and administrative support to ensure compliance with federal and state regulations regarding treatment plant operations. The Wastewater Operations Supervisor also supervises the activities of staff participating in work planning, training, problem solving, scheduling, budgeting, and personnel issues.

The Wastewater Operations Supervisor differs from the Wastewater Operations Coordinator which is responsible for coordinating plant operations and leading the work of plant staff, but does not conduct performance evaluations, disciplinary action, or respond to grievances. It differs from the Wastewater Treatment Services Manager which has full managerial responsibility for system wide plant operations and maintenance, state and federal reporting, and staffing.


Duties may include but are not limited to the following:

  1. Supervises the work of regular and temporary employees; provides daily work direction; plans, schedules, assigns and reviews work; approves absences and overtime; trains and provides technical assistance to staff; analyzes and resolves work problems; conducts performance evaluations, disciplinary action, or responds to grievances; makes recommendations on personnel actions, such as hiring; facilitates participation of team members in work activities.
  2. Estimates project time and materials; prioritizes routine and emergency activities; oversees installation and maintenance of technical equipment related to a wastewater treatment plant; reviews construction plans for system extensions for acceptance and conducts final inspections; assists in assessing effectiveness of programs and procedures.
  3. Supervises the management of the wastewater plant system in a team environment; develops and recommends annual work plan and budget, including contracted services; monitors and controls expenditures; oversees and coordinates special projects and contracted services; coordinates operations with other teams and personnel within and outside of the department; assists in the design and construction management of wastewater plant modifications.
  4. Evaluates, recommends and purchases equipment and other material needs; prepares, develops and reviews specifications for purchases; contacts vendors to research and analyze information; coordinates with purchasing division for bid invitations and requests for proposals.
  5. Ensures compliance with safety procedures and regulations; plans and implements safety and technical training programs; participates in the development of written procedures for maintenance activities; reviews safety concerns and suggestions.
  6. Applies chemistry, biology, microbiology, and related environmental sciences to resolve technical treatment operations problems; coordinates with treatment plant staff to develop operational procedures to meet NPDES and Oregon DEQ plant licensing and discharge requirements.
  7. Provides public and customer service support to County operations and other municipalities; responds to complaints and inquiries; conducts facility tours and public information meetings; answers technical questions and explains wastewater operations and maintenance systems.


Working knowledge of: Basic principles and practices of personnel management and supervision, budgeting, construction practices and blueprint reading; purchasing and contract administration; operation and maintenance of primary, secondary, and advanced wastewater treatment facilities; federal, state, and county regulations regarding wastewater treatment, operations, and construction specifications; standard processes and chemicals used in testing and treating wastewater and sewage samples; occupational hazards and safety precautions at a wastewater treatment facility; mechanical operation of sewage treatment equipment; computer software applications; programmable logic controllers used in plant operations.; chemistry, biology, microbiology, and related sciences; math, algebra, geometry, and trigonometry; English grammar, spelling and punctuation; microcomputer applications in wastewater operations and maintenance; programmable logic controllers; principles and concepts of work teams; public and customer service techniques.

Skill to: Supervise and coordinate the completion of construction projects within established budget and time guidelines; apply chemistry, biology, microbiology, and related sciences to the operation and management of a treatment plant; identify treatment process deficiencies and implement appropriate corrective action; safely and efficiently operate all wastewater treatment plant equipment; diagnose equipment malfunctions; direct staff in continuous efforts to improve quality, productivity and effectiveness; recommend appropriate corrective action; train and direct the work of personnel in process control, safety, and plant operations; incorporate team participation in decision making; establish and maintain effective working relationships with the public, contractors, government agencies and other County employees; provide technical assistance to other plant and maintenance personnel; coordinate public information activities; communicate effectively, both orally and in writing.


Possession of Wastewater Treatment Certification Grade Level IV, issued by the State of Oregon. Must be able to obtain certifications for Confined Space Entry, and CPR/FA within one year of hire.

Incumbents may perform after-hours emergency response on call-out basis.

Driving is required for County business on a regular basis or to accomplish work. Incumbents must possess a valid driver's license, and possess and maintain an acceptable driving record throughout the course of employment.


Any satisfactory combination of experience and training that demonstrates possession of the required knowledge and skills.

Edited: 07/16