Demo

Water Treatment Plant Operator

Marshall Municipal Utilities
Marshall, MO Full Time
POSTED ON 7/17/2026
AVAILABLE BEFORE 8/15/2026

Help provide one of life's most essential services.

Marshall Municipal Utilities (MMU) is looking for a dependable, motivated individual to join our Water Treatment team. Whether you're experienced or looking to build a new career, MMU offers paid on-the-job training, opportunities for advancement, excellent benefits, and the satisfaction of providing safe, reliable drinking water to our community.

Responsibilities include:

  • Operate and maintain the water treatment plant to provide safe, high-quality drinking water.
  • Perform quantitative and qualitative chemical analysis on water.  
  • Check wells, pumps, motors, gauges and recorders. 
  • Adjust chemical feed systems to maintain water quality.
  • Perform routine maintenance.

Minimum Qualifications:

  • High school diploma or equivalent
  • Valid Missouri Driver’s License (Class F or higher)
  • Ability to obtain a Missouri water treatment operator certification (MMU will provide training)

Join a team that values safety, teamwork, professional growth, and service to the community.

Apply today! Applications are available at www.mmumo.net/careers or at the MMU Business Office, 75 E. Morgan St., Marshall, MO 65340.

MMU is an Equal Opportunity Employer (EOE).  

Salary : $19 - $32

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Water Treatment Plant Operator?

Sign up to receive alerts about other jobs on the Water Treatment Plant Operator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$50,084 - $69,688
Income Estimation: 
$54,660 - $73,879
Income Estimation: 
$50,084 - $69,688
Income Estimation: 
$54,660 - $73,879

Sign up to receive alerts about other jobs with skills like those required for the Water Treatment Plant Operator.

Click the checkbox next to the jobs that you are interested in.

  • Calibration Skill

    • Income Estimation: $58,188 - $83,648
    • Income Estimation: $59,389 - $76,258
  • Equipment Maintenance Skill

    • Income Estimation: $40,286 - $59,102
    • Income Estimation: $41,592 - $69,410
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Marshall Municipal Utilities

  • Marshall Municipal Utilities Marshall, MO
  • Perform duties necessary to keep various MMU facilities in clean and functional condition (inside and out); Paint, clean, mop, sweep, and perform minor rep... more
  • 15 Days Ago

  • Marshall Municipal Utilities Marshall, MO
  • Overview Do you like being outdoors and staying active? MMU is looking for a dependable and motivated individual to join our team as Meter Reader. Duties W... more
  • 10 Days Ago


Not the job you're looking for? Here are some other Water Treatment Plant Operator jobs in the Marshall, MO area that may be a better fit.

  • UNITY SCHOOL OF CHRISTIANITY Village, MO
  • Position Summary: Responsible to operate water plant in compliance with EPA and Missouri Department of Natural Resources (DNR) standards. install, maintain... more
  • 1 Month Ago

  • Consolidated Public Water Supply Dist 1 of Linn Co Purdin, MO
  • Overview Join our dynamic team as a Water Plant & Distribution Lead Operator, where you will play a vital role in ensuring the safe, efficient, and environ... more
  • 4 Days Ago

AI Assistant is available now!

Feel free to start your new journey!