Water Treatment Operator Exam Review

Sadly, this is the face of MOST.  Fortunately, looks aren't everything.

Sadly, this is the face of MOST. Fortunately, looks aren’t everything.

Are you taking the Water Treatment Operator certification exam in California on November 21?  If so, are you ready for it?  What is the best way for you to prepare?  As usual, MOST is the answer.  There is no better resource to prepare for the State exams than MOST.

First, we have our MOST practice exams.  These are free to MOST subscribers.  And becoming a MOST subscriber is also free.  Just go to our home page and enter your email address in the “Subscribe to Updates” box.

Next, we have our online MOST courses.  They are only $10 each, and available right now.  You can view these courses as many times as you wish for a full year after purchase — an especially helpful feature if you’re getting ready for the State exam.  In addition, the California State Water Resources Control Board has approved every MOST course for one contact hour of credit toward the renewal of your current certification.

If you don’t need contact hour credit, you might prefer the MOST courses in a DVD format.  We offer two sets of MOST courses in this format: first, all nine Water Math courses for $50; and our entire collection of 24 MOST courses on a single DVD for $120 — only $5 per course.  If you’re interested, just click on the “Contact” link on our home page to let us know, and then we’ll send you the ordering information.

Finally, we are teaching a one-day Water Treatment Operator certification exam review course (for all grades) on Friday, November 6, for Santiago Canyon College.  If you enroll now for Water 056, you will have immediate access to MOST of the MOST videos and practice exams on the SCC Blackboard web site — you don’t need to wait until November 6.  And the best part is, this course costs less than $10 if you’re already an SCC student.  (It’s another $20 to enroll at SCC.)  See:


We have the MOST ways for you to prepare for the Water Treatment Operator certification exam.  Let MOST help you pass the first time!

40 Responses to Water Treatment Operator Exam Review

  1. avatar Daylon Boler says:

    Hello steve i was wondering if i could have some practice exams for the T2 exam. Preparing myself for next month, thanks Steve.

  2. avatar Dan says:

    was interested in the level 4 MOST practice exams

  3. avatar Dan says:

    Ok, thanks. There should be a review of the wrong answers on the exams after operators take them. ABC gives a broad view but no question review that are missed. This should be changed

  4. avatar dan says:

    How important do you think the Flash Mixing is for Ferric Chloride when using a ACTIFLO System?

    • avatar Steve McLean says:

      Dan: I’m no expert on the ACTIFLOW system, but the chemistry of coagulation HAS to be the same as in a conventional process. And that means that mixing is CRITICAL. Every pathogen is colloidal in size, and the sedimentation and filtration processes that would follow an ACTIFLOW process are not effective at colloidal particle removal. The purpose of coagulation and flocculation — and ACTIFLOW, for that matter — is to convert colloidal particles into larger, suspended particles. And these larger particles CAN be removed by sedimentation and filtration. But the process of transforming colloidal particles into suspended ones requires two things: first, a change in colloidal surface chemistry, and second, collisions among these “destabilized” colloidal particles. And these are two very different kinds of mixing. BOTH are absolutely critical to process success! The Flash Mix term is usually used in reference to the first of these two mixing processes. It is here that our primary coagulant — ferric chloride in your case — must come into direct physical contact with the surface of each colloidal particle.

  5. avatar Dan says:

    What level of water treatment is the training to meet anyone know?

  6. avatar Matt says:

    Could I get a d2 practice test?

  7. avatar Renato C. de Leon says:

    Hi Steve, I am preparing and taking the T2 exam this Nov 21. May I have your practice exams? Thanks!

  8. avatar Joey Liu says:

    Hey Steve, I’m taking the T2 on the 21st and was wondering if I can get some exam practice? Thanks a ton!

  9. avatar Drew says:

    Hi Steve,

    Could I please get a copy of the T2 exam.

  10. avatar Kevin Ski says:

    Hi Steve
    would love some T2 practice exams. Thanks

  11. avatar Renato C. de Leon says:

    Hi Steve,

    I just want to thank you for the T2 practice exam you gave me. It helped me passed the exam. I am now preparing for the D2 exam in March. Again, thanks.

    • avatar Steve McLean says:

      Congratulations, Renato! Another satisfied MOST customer! And we’ll send you a practice D1-D2 exam to help you pass your exam in March.

  12. avatar Brian H. says:

    I would like the D3 and T2 practice exams, please. Thanks!

  13. avatar Ernest Rawson says:

    I need t1 practice exams

  14. avatar robmac800 says:

    Hi Steve I am taking the water treatment operator test on 01/27/2016 do you have any material to ready me for this test..Its the biggie for me…Thank you robert.macclellan@fivesgroup.com

  15. avatar Michael morgan says:

    I need help and practice for the t4 exam

  16. avatar Travis says:

    Hi Steve,
    I’m in need of some practice tests for the T2 exam coming up!


  17. avatar Kirk Allen says:

    Hi Steve,
    I need some practice tests for T2 test.

  18. avatar Andy says:

    Hi Steve – interested in the water treatment class 4
    practice exams..

  19. avatar John Infelise says:

    Hi, I signed up for your newsletter and would like to access your practice exams. How do I do this?

    • avatar Steve McLean says:

      Hi John:
      Just clearing out old emails and I came across yours. Sorry for the delay in getting back to you.
      I have practice exams for D1-D2 exams, D3-D4 exams, T1-T2 exams, and T3-T4 exams. Which one(s) would you like?
      I give the practice exams away for free, but I hope you will come back to MOST for your exam preparation. You can view our MOST videos online for $10 for each 1-hour video (and replay it as many times as you like for a full year), or you can purchase all of our MOST videos as well as another 20+ from my college lectures. You get more than 50 hours of video lectures from a 40-year Water professional (T5/D3/P.E.) on a single DVD for $120. We cover everything you need to know to pass the State exams. If you’re interested, just reply to this email and I’ll send you ordering information.
      Good luck on your State exams!
      Steve McLean

  20. avatar Adan says:

    Hi Steve, I am taking the T2 test in May. Can you please send me some practice test. I would really appreciate it. Thank you

  21. avatar Roger says:

    Hello i would love a practice test for T4 if you have it available.
    Thanks in advance

  22. avatar Darryn Saenz says:

    Hello Steve,
    I will be taking the T-4 exam in November and I was hoping you could provide me with a practice test.

  23. avatar Joseph says:

    I need some t3 treatment practice test

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