Wastewater Treatment Plant Supervisor pay range
Commonwealth of Pennsylvania · class code 97340
- Class code
- 97340
- Pay scale group
- ST 05
- Pay unit
- Year
- Bargaining unit
- J2
- State
- Pennsylvania
- The Commonwealth of Pennsylvania published pay range for Wastewater Treatment Plant Supervisor is $46,827 to $70,592 per year.
- Commonwealth of Pennsylvania Office of Administration keys this classification as class code 97340.
- This is the range the plan authorises, not the salary of any individual employee.
Class specification
The Commonwealth job specification for this class is published by Commonwealth of Pennsylvania Office of Administration. 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 01/01/2021.
What the state says the job is
This is supervisory and skilled technical work in the operation and maintenance of wastewater treatment plants. An employee in this job supervises employees engaged in the operation and maintenance of wastewater treatment plants. Work involves supervising employees operating and maintaining motors, pumps, aerators, filters, digestors, chlorinators, flow meters, and related equipment to control the flow and processing of wastewater; sustaining biological processes by adding air and nutrients to achieve natural self-purification processes, including coagulation of solids, oxidation, and nitrification; performing chemical tests of plant influent and effluent; and documenting and maintaining data regarding plant operations for quality assurance purposes and required submission to regulatory officials.
Examples of the work
• Supervises employees engaged in the operation and maintenance of wastewater treatment plants. • Trains new employees in the operation and maintenance of wastewater treatment equipment, collection and conveyance systems, and associated testing and regulatory compliance processes. • Serves as responsible charge operator for wastewater treatment plants. • Makes process control decisions regarding plant operation. • Develops standard operating procedures to be used by others to implement process control decisions. • Records data on plant operations, equipment maintenance, personnel attendance, and meter and gauge readings and reports required information to regulatory officials.
Minimum qualifications
• One year of experience as a Wastewater Treatment Plant Operator (commonwealth title); or • One year of experience in the operation and maintenance of a wastewater treatment plant.
Special requirements
• All positions require possession of a valid certification issued by the Pennsylvania State Board for Certification of Water and Wastewater System Operators as a wastewater treatment plant operator that is equal to or greater than the classification and subclassification of the wastewater system to ...
Quoted from the Commonwealth job specification, read 2026-10-21.
Where this comes from
Commonwealth of Pennsylvania Office of Administration publishes this figure in Classification and Pay Plan (online, current annual salary ranges). Every number on this page is read from that document; nothing is estimated, modelled or averaged.
The Commonwealth also links this class code to its own job title and specification. That page is the official description of the classification; this page publishes its pay range.
The listed pay scale is available in the Commonwealth's current ST schedule.