A well-developed cross connection control plan ensures that backflow events are an infrequent occurrence in drinking water distribution systems. Cross connections involve any connection between treated water and untreated water. The connection can allow for backflow and ultimately drinking water contamination. You can learn about the two types of backflow, backpressure and backsiphonage, as well as how they occur in RCAP’s 2018 blog on Cross Connection and Backflow Prevention – Underutilized Protection for Potable Water . Additionally, WaterOperator.org has featured two backflow videos in a previous blog that will help you learn more about the phenomenon. To prevent unnecessary contamination in your distribution system this week’s blog post features an RCAP video on how to develop a cross connection control plan. This short video describes the key administrative and technical provisions that should be included in your plan. We’ve also highlighted some useful resources that can help you follow their suggestions. If you'd like to find state or territory specific resources such as a sample ordinance or cross connection control plan template, visit our document library Now that you know the key provisions to a successful backflow prevention program, check out these additional resources. Remember that many state or tribal territories can have their own rules and specifications that need to be met by your utility. Consults with your system's primacy agency before starting or updating a cross connection control program. Backflow Prevention – Idaho Rural Water Association This 2-sided brochure can be used to educate your customers about potential sources of backflow and the impacts of contamination. Residential Cross-Connection Questionnaire – Alliance of Indiana Rural Water This 2-page questionnaire can be set to customers to identify potential sources of cross connection. Selling Cross-Connection Control to Management - University of Florida Center for Training, Research, and Education for Environmental Outcomes This power point, presented by Ron Chapman, describes how you can encourage your utility to implement a cross connection control program. Cross-Connection Control Manual – U.S. Environmental Protection Agency This manual has been designed as a tool for health officials, waterworks personnel, and plumbers to understand the basics about backflow prevention, preventer testing, and control programs.