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State Exam Information | California Treatment Operator Certification

Here’s some helpful info for anyone seeking Water Treatment Operator Certification in the state of California.

For planning your studying and making sure you don’t miss a deadline, please refer to the California Treatment Exam Schedule.

When you have decided when you will take the exam, fill out the Application and get it in the mail by the deadline.

If you are wondering what will be on the exam, look at the Expected Range of Knowledge for the water treatment exam document. After you apply, it’s just a matter of studying and preparing to pass. Our Free How To Prepare To Pass your Certification Exam will offer some helpful tips and just takes a minute to set up.

We recommend starting your studies at least three months before your exam. Our Exam Review Courses are grade specific, and include everything you need to pass your exam the first time. You might also be able to find classroom training put on by other organizations in your area if you would prefer attending a class. However you choose to prepare, it’s a good idea to be familiar the math concepts that you will see on the exam.



For questions about qualifications for the exam, and other water treatment certification questions, please reference the info below or visit the State Page:


Water Treatment – Exam and Certification Requirements:

Bonnie Sutherland (916) 449-5629