What is a backflow assembly?

Backflow assemblies are devices that protect the public water system from private plumbing systems. They must be tested upon their initial installation, annually, and when relocated or repaired.  Learn more about these devices, your responsibilities under the law, and how to find a backflow tester.

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1. What do I do if my water looks discolored or tastes funny?
2. Why are there pink stains near my drain?
3. What do I do about water leaks?
4. How do I connect new water service to my property?
5. How do I determine Water Pressure and/or Fire Flow?
6. Do I need to call before I dig?
7. How do I turn my water off?
8. Where does my water come from?
9. What is a backflow assembly?
10. Am I a City of Bothell water customer?
11. Where can I find utility billing information?
12. Do I have outstanding utility charges?
13. How often is my meter read?
14. Do I have Tap and Connection charges?
15. Where can I learn more about water conservation?