Plant Manager 1 pay range
State of Washington · class code 595S
- Class code
- 595S
- Salary range
- 48
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Plant Manager 1 is $52,872 to $71,136 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 595S.
- This is the range the plan authorises, not the salary of any individual employee.
Step progression
Washington State Office of Financial Management (OFM) assigns this class to salary range 48 in the General Service Salary Schedule. The range pays 13 steps; a step is normally earned on a periodic increment date, not negotiated.
| Basis | A | B | C | D | E | F | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annual | $52,872 | $54,204 | $55,596 | $56,952 | $58,392 | $59,760 | $61,332 | $62,880 | $64,512 | $66,072 | $67,704 | $69,348 | $71,136 |
| Monthly | $4,406 | $4,517 | $4,633 | $4,746 | $4,866 | $4,980 | $5,111 | $5,240 | $5,376 | $5,506 | $5,642 | $5,779 | $5,928 |
| Hourly | $25.32 | $25.96 | $26.63 | $27.28 | $27.97 | $28.62 | $29.37 | $30.11 | $30.90 | $31.64 | $32.43 | $33.21 | $34.07 |
Steps as published. The monthly and hourly rows are the state's own, not conversions of the annual row.
Class specification
The OFM classified job specification for this class is published by Washington State Office of Financial Management (OFM). 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.
What the state says the job is
Directs maintenance, repair, and alteration of buildings, equipment, and grounds at small institution or similar facility or serves as assistant to plant manager of large institution or similar facility.
Examples of the work
Inspects buildings, grounds, and equipment; determines need for maintenance and repair; assigns work to employees and inspects completed projects; reviews progress and makes reports; Responsible for operation of facilities such as heating, water distribution, power and light, gas, steam, refrigeration, laundry, and sanitation; Proposes alterations of existing facilities, including preparation of plans, specifications, and estimates of cost; Supervises skilled, semi-skilled, and unskilled workers in maintenance and repair work; Requisitions materials, supplies, parts, and tools and maintains control over storage and use; Analyzes operation and maintenance costs and prepares detailed reports; ...
Minimum qualifications
Two years of supervisory experience in operation and/or maintenance of physical plant in industrial, commercial or public establishment. Note : Experience supervising and/or directing a crew of at least three inmates in a State correctional institution engaged in the operation and/or maintenance of a physical plant will be considered qualifying supervisory experience as required above.
Special requirements
Incumbents in some positions in this class will be required to obtain and maintain a Water Distribution Manager Certificate of Competency issued by the Department Health. This Certificate of Competency is required by the Safe Drinking Water Act of December 1974.
Quoted from the OFM classified job specification, read 2026-10-21.
Where this comes from
Washington State Office of Financial Management (OFM) publishes this figure in Classified Job Listing joined to the OFM salary schedules effective July 1, 2026. Every number on this page is read from that document; nothing is estimated, modelled or averaged.
The dollar figures come from the salary schedule the listing assigns this range to.