What is the responsibility of a building owner, property manager and water supplier?

Legally the water supplier is responsible for water quality and for implementing and maintaining a cross connection control program to prevent pollution or contamination of the public water system. The water supplier’s responsibility ends at the outlet side (the customer’s side) of the water meter. Once the water is on the outlet side of the water meter or service connection, responsibility and liability falls to the owner. it is the owner's responsibility to keep backflow assemblies functioning and tested annually. 


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1. What is a cross connection?
2. How do I know when my assembly needs to be tested?
3. How often do backflow assemblies need to be tested?
4. Do I currently have adequate backflow protection? How can I find out?
5. What is the legal basis for a cross connection control program?
6. What is the responsibility of a building owner, property manager and water supplier?
7. What are some common examples of residential cross connections?
8. What is backflow? Why is backflow protection necessary?
9. What is a backflow assembly?