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Hiring Agency: City of Thomson
Ends: March 1, 2018
Full Time





CLASS TITLE:              WASTE WATER PLANT OPERATOR III                                         DEPT. CODE:

DEPARTMENT:             WASTEWATER                                                                            DATE: 6/2002





Operates processing and test equipment of the wastewater treatment plant ensuring resulting effluent meets federal, state, and local guidelines for purity and safety. Oversee plant operations in absence of the Director.


ESSENTIAL JOB FUNCTIONS: (to be performed at the Thomson Plant, pump stations, and lab, the Dearing LAS, pump stations, and lab, and the Mattox Creek Plant, pump stations and labs)

  • Operates equipment to keep the plant operating at maximum efficiency; cleans clarifiers, chlorine chamber, and all plant equipment; lubricates equipment as needed.
  • Checks all mechanical equipment for unusual performance, such as bearings, seals, chains, oil levels.
  • Checks and records chemical levels; washes sludge and tangle rags from basins and clarifiers.
  • Collects wastewater samples; detects the amount of substance present; prepares log sheets; changes charts when needed.
  • Records all lab results on daily log sheets and monthly reports to the GEPD.
  • Performs visual, auditory, and tactile inspections of pumps, motors, and bearings; performs minor maintenance on equipment; changes chlorine cylinders as needed.
  • Inspects operation of equipment, checks for leakage, vibration and overheating; records chemical inventory; provides procurement of chemicals, lubricants, and repair parts as necessary.
  • Calibrates various meters, sterilizers, scales, furnaces, ovens, etc.; assures equipment is in good working condition.
  • Checks all pump stations and record pump running hours; ensure proper and efficient pumping; repair pumps if necessary.
  • Coordinates with lab to insure all values are accurate and for further analysis requirements.
  • Performs grounds maintenance; cuts grass, fixes water leaks, runs bush hog, clean out drying beds with back hoe, cut limbs, etc.
  • Performs other related duties as required.



  • Knowledge of the principles, practices, and methods of wastewater treatment.
  • Knowledge of the application of chemical principles to wastewater treatment plant operations.
  • Knowledge of the tests and safety precautions involved in wastewater treatment.
  • Knowledge of mathematical principles related to proper test calibrations.
  • Knowledge of plant electricity, mechanics, pumps, and motors.
  • Skill in the safe and effective operation of wastewater treatment plant.
  • Ability to give directions and gain compliance from subordinates.
  • Ability to read and interpret complicated and important test information and technical materials.
  • Ability to write lab reports, correspondence, and procedure manuals.


SUPERVISORY CONTROLS: The Wastewater Director assigns work in terms of somewhat general instructions with many aspects of the work covered specifically, which require the employee to use some judgment.  New activities general are assigned in detailed and specific terms covering all aspects of the work both before beginning and proceeding. Most of all completed work is reviewed by the supervisor for compliance with detailed, specific instructions and accuracy.


SCOPE AND EFFECT: The purpose of this position is to assist the Wastewater Director with ensuring the effective and efficient operation of the Department by overseeing the employees and operations of three wastewater plants and 14 pump stations. The work consists of technical, administrative and supervisory functions.


PHYSICAL DEMANDS AND WORK ENVIRONMENT: While performing the essential functions of this job the employee is regularly required to walk outdoors, climb ladders, excavations, stairs, and vehicles. Employee must have the physical strength and ability to sufficiently perform heavy manual labor for extended periods of time in various environments, frequently exerting force sufficient to lift, move or maneuver 100 pounds, including frequent bending, walking, stooping and heavy lifting.  Hear sufficiently to recognize changes in sounds made by machinery, equipment, or motors. See colors, shapes and outlines of object both near and at a distance; depth perception required. The employee is regularly exposed to weather conditions, especially cold and hot temperatures, humidity, rain, and sun. The employee is also exposed to airborne irritants, fumes, dust, gases, noxious odors, vibrations, electrical shock, and moving and/or mechanical parts. The incumbent's working conditions are typically very loud. The work requires the use of safety devices such as masks, goggles, gloves, etc. The work environment involves high risks with exposure to potentially dangerous situations or unusual environmental stress requiring a range of safety and other precautions.





  • High School Diploma or equivalent.
  • One year of related experience.
  • GA Class III Waste Water Treatment Plant Operator License.
  • May be required to pass standard tests to meet certification standards of governmental agencies or professional and technical associations.
  • Valid GA Driver’s License.



File: WWTP Op III - WW


This class specification should not be interpreted as all inclusive.  It is intended to identify the essential functions and requirements of this job.  Incumbents may be requested to perform job-related responsibilities and tasks other than those stated in this specification.  Any essential function or requirement of this class will be evaluated as necessary should an incumbent/applicant be unable to perform the function or requirement due to a disability as defined by the Americans with Disabilities Act (ADA).  Reasonable accommodation for the specific disability will be made for the incumbent/applicant when possible.

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