What is cross-connection control and why is it important?
The methods, practices and procedures used to prevent contamination or pollution of drinking water from backflow through cross connections is called cross-connection control. It ensures that your drinking water remains safe from bacteria, chemicals and other substances that may enter the water from unknown or improperly maintained sources because of abnormal pressure changes.

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1. What is a cross-connection?
2. What is cross-connection control and why is it important?
3. What is a cross-connection control program?
4. What is backflow and how is it prevented?
5. What is back siphonage?
6. What is backpressure?
7. What is an “approved” backflow prevention method, assembly or device?
8. What is contamination?
9. What is pollution?
10. What is potable water?
11. What are examples of cross connections around my home or business?
12. Where in my home or business are backflow prevention methods, assemblies or devices typically found or required?
13. Does my underground lawn sprinkler system require a backflow preventer?
14. What test is required and how is it conducted?
15. Who performs the test?
16. Is there anything else required with the test?
17. Where do I get the Backflow Prevention Assembly Test Report form, and how and where do I send it?
18. Where do I find a certified backflow prevention device worker?
19. How much does the test cost, and who is responsible for payment?
20. Where can I find more information about cross-connection control and backflow prevention?