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Water Treatment Plant Operator

City of Harrisonville
Harrisonville, MO Full Time
POSTED ON 11/7/2026
AVAILABLE BEFORE 3/5/2027

Requires successful post-offer completion of a background investigation, physical exam, and drug test (including marijuana/THC) as a condition of employment with the City of Harrisonville

Essential Functions

To perform this job successfully, an individual must be able to perform each essential function satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Operates water treatment plant; monitors all equipment and make adjustments as needed to ensure equipment is working to meet standards.
  • Monitors plant systems through control panels, gauges, meters, alarms, and visual inspections, and identifies abnormal conditions and takes appropriate corrective action within established procedures.
  • Performs routine preventive maintenance, cleaning, lubrication, calibration, and minor repair of plan equipment, buildings, grounds, and related facilities within the water department.
  • Follows all safety rules and procedures, including those related to chemical handling, confined spaces, electrical hazards, fall protection, and PPE.
  • Maintains facility, grounds, and equipment, including cleaning, painting, and performing minor repairs to ensure they are clean, neat, and in serviceable condition.
  • Performs lab tests on water; collects water samples from specified points to monitor the function of equipment and ensure that equipment is functioning within required limits.
  • Diagnoses basic operational and mechanical problems; reports equipment failures and unsafe conditions; and assists maintenance staff, contractors, and vendors with repairs and installation work.
  • Inspects wells, intake facilities, storage tanks, pumping stations, generators, and other water-system facilities as assigned.
  • Performs filter backwashing, basin and tank cleaning, residuals management, chemical delivery procedures, and other treatment-process tasks.
  • Responds to alarms, equipment failures, water-quality concerns, power outages, loss of pressure, main breaks, severe weather, and other emergencies; follows applicable emergency-response and notification procedures.
  • Starts, operates, and monitors emergency generators and backup systems as trained and authorized.
  • Maintains the plant, laboratory, chemical rooms, shop, storage areas, vehicles, and grounds in a clean, safe, secure, and orderly condition.
  • Follows all safety rules and procedures, including those related to chemical handling, confined spaces, lockout/tagout, respiratory protection, electrical hazards, fall protection, bloodborne pathogens, and personal protective equipment.
  • Reads and follows safety data sheets, equipment manuals, standard operating procedures, permits, regulations, maps, and technical instructions.
  • Performs preventative maintenance on equipment and vehicles.
  • Records daily log sheets and files reports.
  • Attend required training classes to maintain license and other training, as needed.
  • Must be courteous and respectful to customers and internal employees.
  • Works scheduled shifts and participates in weekend, holiday, overtime, callback, and on-call coverage as assigned.
  • All other duties as assigned.


Minimum Qualifications

High School diploma or GED and less than a year of experience in a Water Plant or equivalent combination of education and experience.



Special Qualifications

  • A valid state drivers license.
  • Obtain a Missouri Department Natural Resources (MDNR) Water Operators License (Class D) within one year of hire.

Pay range from $17.25 per hour up to $24.15 per hour, plus a generous benefit package.

  • Medical/Dental/Vision
  • Five weeks of Paid Time Off (PTO) - accrued throughout the year.
  • Life insurance ($50,000) paid by the city.
  • Long-term disability
  • Deferred compensation plan - not matched by the city.
  • Cafeteria plan - health care reimbursement; dependent care reimbursement; premium savings
  • Free membership to the Harrisonville Community Center for the employee & discounted rates for family members
  • Longevity pay - starting at 10 years of service.
  • Bi-weekly pay periods.
  • Paid Holidays.
  • Performance reviews with possible salary increases given after a six-month introductory period, then annually from that introductory completion date.
  • Retirement (LAGERS) paid by the city.
    • Missouri LAGERS – A Secure Retirement for All (molagers.org)
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      This position is open until filled.

      The City of Harrisonville is an equal-opportunity employer.

Salary : $17 - $24

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