The Cross Connection and Backflow Prevention program certifies Backflow Assembly Testers and Cross Connection Specialists in the State of Oregon. A
ll backflow prevention assembly testing in Oregon must be
performed by Oregon Health Authority (OHA)-certified Backflow Assembly
Tester. All community water systems in Oregon serving 300 or more service
connections are required to contract with or employ an OHA-certified
Cross Connection Specialist to oversee their cross connection program.
Testers & Specialists