Water Treatment Plant Operator

In-person interviews are tentatively scheduled for the week of September 15, 2026.

The first review of applications will take place on Wednesday, July 29, 2026.

Applications will continue to be accepted until Wednesday, August 12, 2026, at 6:00 p.m.

* PLEASE NOTE THAT THIS RECRUITMENT MAY CLOSE AT ANY TIME WITHOUT PRIOR NOTICE.

Class specifications are intended to present a descriptive list of the range of duties performed by employees in the class. Specifications are not intended to reflect all duties performed within the job.

Under supervision, operates one or more water treatment plants on an assigned shift; performs related maintenance-oriented tasks, keeps records, and prepares reports; and performs various tasks relative to assigned area of responsibility.

This series class specification defines and describes the nature and levels of work performed in the Water Treatment Plant Operator job series. Water Treatment Plant Operator I is the entry-level in the Water Treatment Plant Operator series. At this level, incumbents learn and perform a limited range of less complex or specialized work tasks, preventive maintenance, and quality assurance/quality control (QA/QC) under closer supervision.

At this level, incumbents function as a T2 Shift Operator as defined in applicable state drinking water regulations. Water Treatment Plant Operator II is the experienced, journey-level in the Water Treatment Plant Operator series. At this level, incumbents perform the full range of tasks common to the classification series under less supervision while exhibiting initiative, discretion, and independent judgment within established guidelines.

At this level, incumbents function as a T3 Shift Operator as defined in applicable state drinking water regulations.

Direct supervision is received from the Operations Supervisor (Water Treatment Plant) and/or Operations Manager (Water Treatment Plant). Technical or functional work direction may occasionally be provided to Water Treatment Plant Operators I/II by the Lead Water Treatment Plant Operator.

Essential and other important responsibilities and duties may include, but are not limited to, the following:

• Makes rounds of treatment facilities several times during an assigned shift to check, monitor and inspect plant operations; reviews and documents console readings, feed rates, water storage levels, and other operational information displayed on gauges, dials, graphs, and other instrumentation; performs and records related mathematical calculations.
• Takes grab samples and performs routine water quality laboratory tests; prepares water samples for shipment to outside laboratories for more extensive tests and keeps related records.
• Operates and adjusts plant pumps, motors, feeders, and other equipment to maintain and enhance the efficiency of plant operations; makes flow and chemical feed changes as necessary; manually backwashes filters.
• Mixes and adds chemical treatments; ensure adequate chemical application according to regulations and guidelines; loads and unloads materials and supplies; assists in storing and transferring chlorine and other hazardous chemicals.
• Calibrates and performs preventive maintenance on plant monitoring equipment and chemical feed systems; flushes and cleans turbidimeters; diagnoses and performs minor repairs on plant electrical and mechanical equipment.
• Prepares and maintains plant production data such as water flow and chemical usage; monitors and reports on plant performance data such as measures of dissolved solids and chlorine residual.
• Visits unmanned treatment facilities on a scheduled or as‑needed basis to monitor, adjust or execute plant operations; monitors safety and security at unmanned sites during visits.
• Compiles and enters plant operations and water quality data into computerized record systems for eventual use in required reports to regulatory agencies.
• Responds to emergencies and problems after hours and on weekends as directed within a thirty (30) minute response time to the Lloyd W. Michael Water Treatment Plant.
• District employees are expected to work overtime, weekends, evenings, and holidays as required to accommodate the District's needs and respond as a Disaster Emergency Service Worker.
• Regular attendance at the work site.

• Conducts plant tours and explains operating procedures to the public or visitors.
• Performs related duties and responsibilities as required.

• Principles and practices of surface water treatment plant operation.
• Federal and State laws and regulations governing treatment plant operation and water quality standards.
• Characteristics of chemicals used in water treatment processes.
• Operational mathematics, including calculation of chemical dosing and water flow rates. Basic laboratory testing methods and mechanical,…