Find Backflow Certification Classes Near You (By State)

Last updated: February 2026

Backflow Certification Requirements and Training Providers by State

Scroll down to your state to find approved backflow certification training providers, certifying bodies, and exam requirements near you.

This directory was originally completed in September 2022 and is actively maintained. If you notice outdated information or would like to add a training provider in your state, please let us know so we can keep this resource accurate and helpful for others.