Why does the City of Petersburg Public Utilities Division have a Backflow Prevention & Cross Connection Control Program?

The purpose of the Backflow prevention program is to protect the health and well-being of the people of the City of Petersburg by securing its water supply from harmful substances and contaminants. It is also required by the Virginia Department of Health’s (VDH) Waterworks Regulations. As the water system operator for the City of Petersburg, the City is required to have this program as a condition for the issuance of its water system operator’s license.

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1. Why does the City of Petersburg Public Utilities Division have a Backflow Prevention & Cross Connection Control Program?
2. What is a cross-connection?
3. What is backflow?
4. What is backpressure?
5. What is backsiphonage?
6. Why is backflow a concern to the public?
7. Are all residential homes required to have backflow assemblies?
8. Why are irrigation systems considered to be hazardous to the water system?
9. What type of backflow prevention assemblies are allowed in irrigation systems?
10. How do I know if I have a backflow prevention assembly?
11. What kind of buildings need backflow prevention assemblies?
12. Is there a minimum height that the backflow assembly must be installed?
13. When is a plumbing permit required?
14. Can a backflow device be removed?
15. How frequently does a backflow prevention assembly have to be tested?
16. How much will the inspections/maintenance cost?
17. What credentials are required to inspect and test a backflow prevention assembly?
18. Will I receive notification when to perform my test?
19. What if I don’t receive a letter?
20. What can I do with my test report?
21. Abbreviations