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Wastewater Treatment Plant Operator III


Listing Summary

WWTP Operator III

Department:     WWTP

Pay Grade:       106

FLSA Status:   Non-Exempt


This position is responsible for assisting with the operation, maintenance, and repair of the City’s wastewater treatment plant. This position may also be designated as a Wastewater Treatment Plant Operator Class III, II or I.



  • Assists in administrative duties, implementation of new equipment, and construction projects.
  • Assists in training new employees.
  • Checks and maintains UV chambers.
  • Collects and submits wastewater samples to outside laboratories as necessary.
  • Collects wastewater samples for standard tests such as biochemical oxygen demand, dissolved oxygen, suspended solids, and pH; adds chemicals to maintain proper pH in aeration basin; operates D.O. and pH meters.
  • Conducts plant tours.
  • Ensures plant personnel safety equipment is clean, operable, and accessible.
  • Inspects and cleans filters, tanks, floating aerators, clarified weirs, scum pit, and bar screens.
  • Inspects valves, pumps, and plant equipment.
  • Maintains a grease trap program by communicating with local businesses when necessary and keeping contact with pump company, as well as inspecting grease traps.
  • Operates and maintains belt press as directed.
  • Meets representatives from regulatory agencies in the absence of the Superintendent.
  • Monitors performance of machinery and equipment used to control the treatment process; makes process control decisions.
  • Monitors, repairs, and maintains all technological equipment and software for both the lab and administrative buildings.
  • Monitors treatment process and makes necessary adjustments as indicated by current conditions.
  • Operates backhoe or tractor to load trucks with solid waste; operates dump truck to haul sludge to disposal areas.
  • Performs housekeeping and grounds maintenance duties.
  • Performs preventive and corrective maintenance on equipment; assists in repair of equipment, including lift stations.
  • Performs required laboratory tests in the absence of the Laboratory Analyst/Operator.
  • Performs routine cleaning of equipment, grounds, and work areas.
  • Remains on call back duty to assist with emergency situations as directed.
  • Tends influent pumps, blowers, feed pumps, centrifuges, dry and wet chemical feeders, aerators, telescopic settings, wet well, and other equipment used to decontaminate wastewater; reads and records effluent flow meter.
  • Performs other related duties as assigned.




Minimum Education and Experience:

High School diploma or equivalent and three (3) years of related experience, or equivalent combination of education and experience.

Required Licenses or Certifications:

Possession of or ability to readily obtain a state-certified license for wastewater treatment. Possession of a valid State of Georgia driver’s license.


Additional Requirements:

Applicant must have a satisfactory motor vehicle report.


Knowledge, Skills and Abilities:   

  • Knowledge of wastewater treatment processes.
  • Knowledge of plant safety regulations and practices.
  • Knowledge of wastewater treatment equipment and basic maintenance requirements.
  • Knowledge of mathematics, biology and basic chemistry.
  • Knowledge of state and local wastewater treatment guidelines and procedures.
  • Knowledge of lift station operations.
  • Knowledge of plant and mechanical operations.
  • Skill in collecting and handling wastewater samples.
  • Skill in reading various meters, including D.D. and pH.
  • Skill in operating water pollution control equipment such as a centrifuge, chlorinator, samplers, and blowers.
  • Skill in the use of basic tools such as packing tools, socket wrenches, power tools, and screwdrivers.
  • Skill in operating light and heavy equipment such as a backhoe, tanker truck, and dump truck.
  • Skill in the use of grounds equipment.
  • Skill in cleaning water pollution control equipment.
  • Skill in oral and written communication.


Must have sufficient physical ability and mobility to work in a field environment. The work consists of continuous outdoor activity, frequent standing, sitting, walking, squatting, bending, twisting upper body, climbing, exposure to extreme heat, cold, noise, mechanical hazards, fume/odor hazards, toxic waste/material hazards. Must be able to work in confined spaces; walk and work on slippery and uneven surfaces. Requires manual dexterity sufficient to grasp, hold objects and tools with full range of motion in wrists and arms. Must have no impairments that limit work capabilities in year-round weather conditions. Must be able to bend and twist for lifting. Must have no limitations which restrict reaching, standing, stooping, bending, twisting and kneeling while performing the needed repairs or maintenance. Must be able to climb ladders, lift or carry 50 pounds while climbing ladder or steep banks. Must have no climbing or height restrictions up to 12 feet on a ladder or other equipment. Must be able to lift manhole covers weighing in excess of 50 pounds several times a day if necessary. Must be able to lift, carry, push and or pull light (5lbs) to moderate (50lbs) amount of weight. Must have close vision, distance vision, color vision, peripheral vision, depth perception and the ability to adjust focus. Must have hearing ability sufficient to understand general in-person and telephone conversation. Must have ability to read a variety of informational, technical documentations, directions, instructions, and methods and procedures.


Work is performed in an indoor and outdoor setting. While performing the functions of this position, the employee will be exposed to dust, dirt, and grease, machinery with moving parts, contagious or infectious diseases, irritating chemicals, and occasional inclement weather. The work requires the use of safety devices such as masks, goggles, or gloves.


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