Water and Sewage Plant Operator Trainee pay range
Commonwealth of Kentucky · class code 21004150
- Class code
- 21004150
- Pay grade
- 09
- Pay unit
- Month
- Alternate ranges
- 3
- State
- Kentucky
- The Commonwealth of Kentucky published pay range for Water and Sewage Plant Operator Trainee is $2,281 to $3,649 per month, spanning every alternate range the plan defines.
- Kentucky publishes an entry rate and a midpoint for each pay grade, not a maximum, so the upper figure on this page is the grade midpoint.
- That works out to about $27,370 to $43,792 a year at full time.
- Kentucky Personnel Cabinet keys this classification as class code 21004150.
- The plan defines 3 alternate ranges for this class, so the rate depends on which criteria an employee meets.
- This is the range the plan authorises, not the salary of any individual employee.
Alternate ranges
| Range | Entry | Midpoint | Basis |
|---|---|---|---|
| Range 37.5-hour week | $2,281 | $3,421 | per month |
| Range 40-hour week | $2,433 | $3,649 | per month |
| Range Hourly | $14.04 | $21.05 | per hour |
Which alternate range applies is set by the plan's own criteria (experience, certification or assignment). The criteria text lives in the source document.
Class specification
The Personnel Cabinet class specification for this class is published by Kentucky Personnel Cabinet. The passages below are quoted from it as published, not paraphrased, and cut to their opening sentences; the full specification is the authority on duties and qualifications. It was last revised 09/16/2023.
What the state says the job is
Under direct supervision of a certified operator, assists in the operation and maintenance of a wastewater treatment plant. Participates in on-the-job training to become certified as an operator of a water treatment plant; and performs other duties as required.
Examples of the work
Learns the techniques of operation and maintenance of a water treatment plant. Learns and assists in the operation and adjustment of pumps, valves, and related mechanical equipment. Learns and assists in the inspection, maintenance, and repair of pumps, valves, and related mechanical equipment. Learns and assists in taking water samples. Learns and assists in regulating and adjusting chlorinates and other chemical feeders, washing filters, and settling basins. Learns to prepare reports and records. Learns to perform mathematical calculations based on sample results to complete required reports.
Minimum qualifications
EDUCATION: High school graduate. EXPERIENCE, TRAINING, OR SKILLS: NONE Substitute EDUCATION for EXPERIENCE: NONE Substitute EXPERIENCE for EDUCATION: NONE
Special requirements
Must maintain any required licensure(s), certification(s), or other credentials for the length of employment in this job classification. Employing agency is responsible for ensuring employee possesses and maintains required licensure(s), certification(s) or other credentials.
Quoted from the Personnel Cabinet class specification, read 2026-10-21.
Where this comes from
Kentucky Personnel Cabinet publishes this figure in Classified and Unclassified 37.5 and 40-Hour Salary Schedule, effective September 16, 2026. Every number on this page is read from that document; nothing is estimated, modelled or averaged.
Job titles and their pay grades come from the Job Specification Search, joined to the salary schedule.