Operator Training Committee of Ohio, Inc

3972 Indianola Avenue * Columbus, Ohio 43214-3158 * Phone (614) 268-6826 * Fax (614) 268-3244

Email: otco@otco.org

Would you like to have a Backflow Course in your area?

Click here to suggest a course in your area.

​​NOTE: Before submitting a suggested area please review the current Backflow Course location schedule to make sure there is not already a course scheduled in your area.

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Intro to Backflow

Online Registration


Backflow Prevention
Online Registration

Backflow Refresher
Online Registration

Backflow for Managers
Online Registration


At this time all Backflow Prevention & Backflow Refresher Courses are full. If you still need to take a Backflow Refresher Course before December 31, 2017, please email us at  backflow@otco.org so that we can get you set-up to take a course before the deadline. We will contact you of the date and location of this training.

The backflow prevention courses were developed to provide training for the administrators, operators and backflow prevention program employees of public water supply systems and assist water purveyors in meeting the Ohio Administrative Code # 3745-95 backflow prevention requirements.


Upon successfully completing this course, you will be issued a certificate of competency and recognized as qualified to:

  • Describe the principles, causes and theory of backpressure and backsiphonage backflow
  • Discuss degree of hazard and the available methods of backflow prevention protection
  • Determine the appropriate backflow prevention assembly or method to protect against a hazard
  • Discuss Ohio laws, rules, and regulations
  • Implement and administer your local backflow prevention program
  • Inspect and test backflow prevention assemblies
  • A water supply employee may be eligible to sit for the State of Ohio Department of Commerce
  • "Backflow Tester" Certification after the class

Click one of the boxes below to register online

2017 Backflow Training Course