Job Description

Overall Job Objective



Performs a variety of skilled work pertaining but not limited to operating and inspecting of a variety of primary, secondary and tertiary plant equipment, plant sampling and any other duties related to continuous operation of a wastewater treatment plant. May be required to assist and or lead with maintenance repair and routine preventive maintenance of plant equipment.


This is the journey-level class in the Wastewater Plant Operations series. Incumbents in this classification are distinguished by being the first class that has the experience and level of certification to be in a lead position in any given area of the facility. In the lead position they have the responsibility for performing the more complex and difficult operation, maintenance, repair, and related service activities for the wastewater treatment facility while leading a group or individually. They are also responsible for making recommendations for process changes throughout the facility.


The WRD Wastewater Treatment Operator will take direction from the WRD Wastewater Plant Operations Specialist, but ultimately reports to the WRD Wastewater Plant Operations Supervisor. The incumbent does not normally supervise any staff, but may be the lead operator on shift and be required to give direction when necessary.


Education and Experience: Graduation from high school or equivalent and three (3) years of full-time experience in the operation and maintenance of a wastewater treatment facility.

Working Conditions: Work day, evening, night, weekend, holiday shifts and standby. Work extended shifts or be called back in emergency situations. Work with potential exposure to hazardous chemicals and substances found in the wastewater treatment process. Work out of doors in all weather conditions.

Licensing and Certification: Must possess a valid Nevada Class C driver's license at time of appointment. Must possess a valid Nevada Water Environment Association (NWEA) Wastewater Treatment Plant Operator Grade III Certificate, or candidate must possess a valid Plant Operator Grade III Certificate, or equivalent, within another state. If a non-NWEA certification is held the candidate, within one year of hire, must obtain, either through reciprocity or test, a NWEA Plant Operator Grade III Certificate.

Some positions may require confined space entry certification.

Background Investigation: Employment is contingent upon successful completion of a background investigation. Periodically after employment background investigations may be conducted.

Medical Examination: Employment is contingent upon the results of a physical examination performed by our examining physician.

Pre-Employment Drug Testing: Employment is contingent upon the results of a pre-employment drug examination.


Provides lead direction, training and work review in assigned area; may need to organize and assign work, sets priorities, and follows-up to ensure coordination and completion of assigned work; advanced operation of pumps, valves, and other equipment via computer controller, hand or mechanical means to regulate the flow of wastewater through various primary, secondary and tertiary treatment processes; maintains even flow to ensure maximum efficiency of plant equipment; may lead the operation of the solid dewatering equipment to separate the liquids from the solids for disposal in the landfill; inspects plant equipment, reports and records any failures or operating difficulties; initiates work orders and requests repairs by writing work orders in a computerized maintenance management system; ensures work orders are accurate and complete in assigned area; stops, starts and isolates equipment for maintenance repairs and for normal operation; takes samples of wastewater, scum, grit, sludge and other materials and properly records chain of custody information for samples being delivered to the main laboratory; coordinates and runs process lab testing to determine daily efficiency of treatment processes and online instrumentation; calculates efficiencies of processes to evaluate its operation in assigned area; interprets main lab and process data and recommends and/or makes process changes as necessary; operates, adjusts and performs skilled maintenance on chemical mixing and feed equipment to ensure compliance with established guidelines; read meters, gauges, charts and instruments documenting all required information; receives and unloads bulk chemicals, some of which are hazardous, for plant operations and stores when appropriate; detailed use of material safety data sheets (MSDS) for all chemicals used on site; operates a front-end loader to mix waste sludge in drying beds and to load the dried sludge on to trucks for sludge disposal; drives a heavy truck or tractor-trailer on plant grounds to transport dewatered solids; may drive heavy equipment on plant grounds such as, but not limited to: forklifts, street sweepers, tractor-trailers, dump-trucks and various other types of vehicles as needed; cleans, lubricates and performs routine preventive maintenance of plant equipment and facilities; performs record keeping functions such as logging information regarding plant operation, test results from process lab, maintenance work performed and unusual operating conditions in a logbook; prepares written reports and correspondence as required; cleans equipment by using high-pressure water sprays and associated cleaners; cleans weirs on clarifiers when necessary; monitors and maintains the chemical inventory; contributes to the efficiency and effectiveness of the unit's service to its customers by offering suggestions and directing or participating as an active member of a work team; uses common hand and power tools in the course of the work; may be required to assist in confined space entries, or may be part of a confined space entry team; may coordinate and performs basic facility and grounds maintenance in the area of the treatment plant; uses standard office equipment, including a computer, in the course of the work; drives District vehicles to work sites, transports materials and assists other staff as required; performs additional duties as necessary.


Strength and mobility to work in a typical plant operations setting, including operating hand and power tools; stamina to perform sustained physical labor, including standing, walking, climbing and working in confined or awkward spaces; strength to lift and maneuver materials and equipment weighing up to 100 pounds with proper equipment; vision to read printed material, computer screen and determine fine color differences; and hearing and speech to communicate in person or over a radio or telephone. Accommodation may be made for some of these physical demands for otherwise qualified individuals who require and request such accommodation.

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