Water Treatment Operator Interview Questions & Answers

Water and wastewater treatment plant and system operators manage a system of machines to transfer or treat water or wastewater.

Interviewers look for candidates that demonstrate excellent skills such as:

  • Analytical skills
  • Attention to detail
  • Mechanical skills
  • Math skills

In this blog, we discuss commonly asked interview questions during job interviews for Water and Wastewater Treatment Plant & System Operator positions. We also discuss the qualities that interviewers look for in successful candidates. In other words, we’re here to help you out!

Also, read more about frequently asked job interview questions here and check our job interview preparation checklist.

Skills Interviewers Look For In Successful Candidates

Below we discuss the skills you can highlight in your answers to demonstrate that you’re qualified for the job.

Analytical skills

Why interviewers are interested in your analytical skills:

Water and wastewater treatment plant and system operators must conduct tests and inspections on water or wastewater and evaluate the results.

Attention to detail

Why interviewers are interested in your attention to detail:

Water and wastewater treatment plant and system operators must monitor machinery, gauges, dials, and controls to ensure everything is operating properly. Because tap water and wastewater are highly regulated by the U.S. Environmental Protection Agency, operators must be careful and thorough in completing these tasks.

Math skills

Why interviewers are interested in your math skills:

Water and wastewater treatment plant and system operators must have the ability to apply data to formulas that determine treatment requirements, flow levels, and concentration levels.

Mechanical skills

Why interviewers are interested in your mechanical skills:

Water and wastewater treatment plant and system operators must know how to work with machines and use tools. They must be familiar with how to operate, repair, and maintain equipment.

(source: bls.gov)

Water and Wastewater Treatment Plant & System Operator Job Interview Questions & Answers

During a job interview, the hiring manager wants to discuss several things. Think of your:

Below you find a list of commonly asked interview questions.

Examples Of General Water and Wastewater Treatment Plant & System Operator Interview Questions

  1. Tell me about yourself.
  2. How would you describe yourself?
  3. Why do you want to work here?
  4. What interests you about this position?
  5. Walk me through your resume.
  6. What motivates you?
  7. Why are you leaving your current job?
  8. Describe your work ethic.
  9. What is your greatest strength?
  10. How does your experience qualify you for this job?
  11. What is your greatest weakness?
  12. Where do you see yourself in 5 years?
  13. Tell me about a challenging work situation and how you overcame it.
  14. What are your expectations for this position?
  15. What are your career goals?
  16. Why should we hire you?
  17. What did you like most about your last position?
  18. What did you like least about your last position?
  19. How do you handle stress?
  20. What is your greatest accomplishment?

Learn how to answer these common job interview questions!

Examples Of Specific Water Treatment Operator Behavioral Interview Questions

Learn more about answering behavioral interview questions by using the STAR interview technique.

  1. Walk me through your process of conducting tests and inspecting results.
  2. Describe a challenging situation you encountered as a water treatment operator. How did you handle it?
  3. Which skills do you think are important for a water treatment operator? Can you give me an example of how you use these skills in your work?
  4. Tell me about a time you made a mistake. What happened? How did you fix it?
  5. Which of your prior work experience will help you most in this position?
  6. What’s your specialty as a water treatment operator? Can you give me an example?
  7. Tell me about a time you thought out of the box to solve a problem.
  8. Give me an example of a time you had to handle a conflict in the workplace.
  9. Describe a rewarding teamwork experience. What was your contribution?
  10. Give me an example of a work process that demonstrates your ability to manage time effectively.

Learn more about questions to ask the interviewer during your job interview.