Is backflow prevention device testing regulated?
Yes, the State of Michigan Department of Public Health, Administrative Rules for Michigan's Safe Drinking Water Act, Act 399, P.A. 1976 Michigan Plumbing Code 2000, requires water utilities to have comprehensive cross connection control programs for the elimination and prevention of all cross connections. The City of Sterling Heights is required to report to the State of Michigan annually on the status of testing and inspection of the businesses that we serve.

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1. Is backflow prevention device testing regulated?
2. Why is it important for water suppliers to prevent backflow?
3. What is backsiphonage?
4. Can you give an example of a cross connection occurrence?
5. After receiving a letter, what do I do?
6. Who owns and is responsible for testing and maintenance of the backflow prevention assembly?
7. How much will it cost to have my backflow prevention device tested?
8. Is there a general compliance schedule and process?
9. What if I don't comply?