Cross Connection / Backflow Certification Annual registration is required to be certified as a backflow assembly tester in the Town of Castle Rock. You must complete the registration form and submit a copy of the current tester certification and gauge calibration(s).
Certification / education classes will be held anytime there are updates to the Town’s Municipal Code regarding cross connections / backflow or the Town’s Cross Connection Manual. If you have any questions, email us.
A cross connection is a physical connection between a potable (drinking) water supply and a source of contamination or pollution. This connection can be created when plumbing is installed, when using certain appliances or even by simply attaching a hose to a faucet. Cross connections are not easy to discover but pose a serious threat to water quality.