What regulations authorize and govern the Village of Wheeling Backflow Prevention Program?

Backflow prevention is required by federal, state and local regulations, as summarized below:

  • Federal: Safe Drinking Water Act (1974, amended 1986 and 1996) and Safe Drinking Water Act Amendments of 1986.
  • State of Illinois: in Title 35 (Environmental Protection) , Subpart 653.H. (Cross Connections) of the Illinois Administrative Code.
  • State of Illinois: in Title 77 (Public Health), Part 890 (Illinois Plumbing Code) of the Illinois Administrative Code
  • Local: Wheeling Municipal Code (Titles 13 and 16)


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1. What is backflow?
2. How does backflow occur?
3. What is a cross-connection?
4. What is a backflow prevention assembly?
5. How often must a backflow prevention assembly be tested to be considered safe?
6. Who can test backflow preventers?
7. Why have I received a letter from BSI, Inc., rather than the Village, reminding me that my backflow assembly must be inspected?
8. How do I change the contact information for a backflow prevention assembly on my property?
9. Who is responsible for sending in the completed “Backflow Prevention Assembly Test Report” forms?
10. What if my backflow prevention assembly fails the test?
11. What happens if I don’t have my assembly tested?
12. Under normal circumstances, am I allowed to remove an existing backflow prevention assembly?
13. I have several backflow prevention assemblies with different test dates. How can I get them tested at the same time?
14. I received a cross connection survey on my water usage at my business or home. What is this about?
15. Who pays for the testing?
16. Who should I call if I have additional questions?
17. What regulations authorize and govern the Village of Wheeling Backflow Prevention Program?