21. CROSS CONNECTION CONTROL & BACKFLOW PREVENTION : - (a) No owner, consumer, customer or other person hereinafter collectively referred to in this rule and regulation as "person" shall connect, cause to be connected, or allow to remain c...
AI summary The regulation prohibits unauthorized connections to water systems and mandates backflow prevention (BFP) devices where contamination risks exist. Customers must install, maintain, and test BFP devices at their expense, using certified testers. Test results must be submitted to the Utility, and records must be kept. The Utility only accepts tests from licensed testers.