ABPA: American Backflow Prevention Association: ABPA is dedicated to backflow education and technical assistance.
Backflow.com: Directory of information sources, organizations, and manufacturers in the backflow prevention and cross connection control industries.
Drinking Water & Backflow Prevention: Monthly magazine. Subscription information and sample articles.
Tennessee Backflow Prevention Association: The Tennessee Chapter of the American Backflow Prevention Association, dedicated to the protection of the public water supply from backflow and cross-connection hazards. Site has information and internet links.
Your Drinking Water and Backflow Prevention: Learn how to protect your public water supply from contamination by backflow.