What is a cross-connection?
A cross-connection is a link between a potable water system (water that is safe to drink) and a non-potable system (water or other liquids that are not considered safe to drink).

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1. What is a backflow?
2. What are common reasons for a drop in water main pressure?
3. What is considered a source of pollution?
4. What is a cross-connection?
5. What is a cross-connection or backflow preventer?
6. Why do backflow preventers have to be tested?
7. Who can test backflow preventers?
8. Where can I find a list of certified Cross-Connection Device Inspectors (CCDI)?
9. Who should I contact with questions about whether I currently have a backflow device and what type of device I have?
10. Who should I contact with questions about the completion of a survey, annual testing or delinquency notifications?
11. Where can I submit completed surveys or test forms?
12. What can I do to prevent backflow?
13. What happens if I do not install a backflow prevention device or comply with annual testing?
14. What if my backflow prevention device fails the test?
15. How do I get my backflow prevention device removed?
16. Where can I find additional information regarding backflow prevention?