The Backflow Prevention Device Worker Contractor License allows to engage in, the maintenance, repair, testing, or periodic inspection of cross connection control devices, including but not limited to:
Prevent the contamination of the potable water supply by the introduction of non-potable liquids, solids, or gasses, thus ensuring that the potable water supply remains unaltered and free from impurities, odor, and discoloration bacteria. Including other contaminants which would make the potable water supply unfit or unsafe for consumption and use.
The General, Virginia, and Advanced portions must be passed by the applicant interested in the Class A class type. Class B applicants must complete the General and Virginia portions of the examination. Applicants applying for Class C class type are only required to take a trade exam.
Note that to acquire this license, pre-approval is required, and the examination must be passed.
Login credentials emailed upon enrollment
Unlimited access (no time limits)
Step-by-step solutions to math problems
Below is all the information related to the trade exam, including the official reference list.
This set of books includes all required references for the Backflow Prevention Device Worker exam. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.
Books Allowed in Testing