Treatment Plant Operator Trainee Ii

Please see Special Instructions for more details.

Applications must be submitted by 11:59pm on the final filing date, Friday, January 30, 2026.

Job Title
TREATMENT PLANT OPERATOR TRAINEE II

Minimum Monthly Salary
5453.60

Maximum Monthly Salary
6961.00

Position Type
Regular (subject to probationary period)

Work Schedule
4-10-80

Position End Date (if temporary)

Position Summary and Qualifications

To assist Water Treatment Plant Operators in the operation, repair and maintenance of the Agency’s water treatment plants and related facilities; and to assist in recording, reporting and logging plant operations, test results and maintenance work.
Unit: WSU
Revised: 7/1/2014

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:

• Learn skilled plant operations by assisting higher skilled employees.
• Control and operate treatment plant equipment, including pumps and valves by using SCADA computer equipment to control, monitor and regulate the flow of water treatment and processing of chemicals through the plant.
• Observe variations in operating conditions and interpret computer and gauge readings and charts and conduct visual inspections.
• Coordinate the rate with demand.
• Record, report and log plant operations, test results, maintenance work performed and unusual operating conditions.
• Backwash filter beds.
• Collect, test, analyze and record water samples; adjust chemical feeders and other plant equipment.
• Maintain, inspect and clean plants, operating equipment and facilities.
• Receive supplies delivered and ensure that they are properly stored.
• Operate a motor vehicle and other work related equipment.
• Clean and maintain plant equipment when necessary under the direction of a supervisor or maintenance personnel.
• Build and maintain positive working relationships with co-workers, other Agency employees and the public using principles of good customer service.
• Perform related duties as assigned.

• Basic mechanical knowledge of pumps, electrical motors, piping and control systems.
• Tools and equipment needed to make general repairs and adjustments to water treatment plants.
• Principles and practices associated with operating a water treatment plant and associated facilities.
• Basic drinking water standards and regulations.
• Proper handling of hazardous materials.
• Basic water quality testing procedures.
• Elementary mechanical, electrical and hydraulic principles.
• Basic arithmetic.
• Modern office equipment including use of word processing, database and spreadsheet applications.
• Communicate clearly and concisely, both orally and in writing.
• Establish and maintain effective working relationships with those contacted in the course of work.

• Perform water treatment plant operations and activities as permitted with a Water Treatment Operators Grade 2 certificate.
• Demonstrate initiative and independent thinking. Apply practices and procedures related to the operation and maintenance of water treatment plants.
• Apply local, State and Federal regulations related to the operation of a drinking water treatment plant.
• Effectively use a variety of software related to the operation of the treatment plant and distribution system.
• Keep and maintain written records and reports.
• Follow safety rules and regulations.
• Perform standardized water tests.
• Recognize unusual, inefficient, or dangerous operating conditions.
• Interpret plant and piping diagrams.
• Safely operate a motor vehicle and other work related equipment.
• Operate a computer using word processing, business software and other office equipment.
• Communicate clearly and concisely, both orally and in writing.
• Establish and maintain effective working relationships with those contacted in the course of work.

• Work is carried out in an outside environment with exposure to various weather conditions and occasionally work in an office environment.
• Frequently climb, stoop, kneel, crouch, reach, stand and walk.
• Frequently…