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Top 20 Water Treatment Operators Interview Questions

Question 1 of 21
What is your greatest strength? How does it help you as a Water Treatment Operator?
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Question 2 of 21
Would you be willing to take additional classes, after work, to get a degree in water management?
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How to Answer
Always answer this in a positive way and do not overcomplicate your answer. Now is not the time to talk about your schedule, baseball team, family obligations and need for 10 hours of sleep per night! The details would be ironed out should the opportunity be immediate. Answer in a willing and appreciative way.
Answer Example
"I would be very honoured to be considered for a leadership role that would require additional designations from me. I am always open to learning and would certainly be willing to expand my knowledge in this industry."
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Question 3 of 21
How important is safety to you? In previous work, what types of safety measures did you practice?
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How to Answer
This should be a two part, comprehensive answer. Safety is incredibly important and the interviewer would like for you to demonstrate that through your answer. You could answer something like this: "To me, safety is the primary concern on the job site. Water treatment plants see too many accidents with over 60 deaths in the industry in the last 10 years along with an addition 2,000 injuries. The safety measures that I practice include daily safety meetings, frequent safety testing and regular PPE checks."
Answer Example
"To me, safety is the primary concern on the job site. Water treatment plants see too many accidents with over 60 deaths in the industry in the last 10 years along with an addition 2,000 injuries. The safety measures that I practice include daily safety meetings, frequent safety testing and regular PPE checks."
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Question 4 of 21
Why are you the best candidate for us?
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How to Answer
In addition to outlining your skills you should also wrap up your answer by asking the interviewer if they see you as a fit. This will allow you to reply to any red flags they may have about your candidacy.
Answer Example
"I feel that my blend of education and experience is a strong match for this role. Also, I bring a proven track record of accuracy, care in my work and strong leadership skills. Is there any reason why you feel I would not be the best candidate for this position?"
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Question 5 of 21
What do you know about our treatment plant?
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How to Answer
You should always do extensive research on the company that you are interviewing with. Be sure to practice your answer as the likelihood that you will be asked this question is high. Your answer should include an example of how their mission aligns well with your career goals.
Answer Example
"As a water treatment operator I always want to ensure that I am working with a premium facility that takes great care in their reputation. After researching your treatment plant I discovered that you took great pride in your work and that your employees are frequently recognized and awarded for good work. The qualities that your plant possess are exactly what I am looking for in my next position."
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Question 6 of 21
Tell me about your math skills, and how you have applied math in previous work.
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Question 7 of 21
What is your greatest weakness? What are you doing to improve it?
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Question 8 of 21
What are three different types of water pumps?
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Question 9 of 21
Explain to me how a basic water pump works.
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Question 10 of 21
What is ozone and how is that used in the water treatment process?
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Question 11 of 21
How detail oriented are you?
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Question 12 of 21
Why do you believe water treatment plants are important?
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Question 13 of 21
What are the two common processes for separating water and flock?
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Question 14 of 21
How familiar are you with different types of pipe valves? Name a few.
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Question 15 of 21
What are coagulant chemicals used for?
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Question 16 of 21
Tell me about your most difficult experience at your last water treatment plant.
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Question 17 of 21
Why are you passionate about water treatment?
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Question 18 of 21
Do you take pride in your work? Give me an example.
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Question 19 of 21
Have you had any on the job training yet?
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Question 20 of 21
Have you ever led a group before in your past employment?
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Question 21 of 21
Do you have an operator certification? What class are you?
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About Water Treatment Operators

September 21st, 2017

Water is one of our society's most important resources. While most people take it for granted, it takes a lot of work to get water from natural sources, reservoirs, streams, and groundwater into our taps. Similarly, it is a complicated process to convert the wastewater in our drains and sewers into a form that is safe to release into the environment. Water treatment plant and system operators run the equipment, control the processes, and monitor the plants that treat water so that it is safe to drink. Liquid waste treatment plant and system operators do similar work to remove pollutants from domestic and industrial waste.

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