What problems can result?

There are documented incidents in the United States where people have become sick because of contaminated water backflowing into potable systems. For more information please contact the Public Works Department at 425-831-4919.

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1. What are "cross-connections" and "backflow"?
2. What causes backflow?
3. What problems can result?
4. Can cross-connections be avoided?
5. What is an "Approved Backflow Prevention Assembly"?
6. Do I need a Backflow Prevention Assembly at my home?
7. What if I have a Backflow Prevention Assembly?
8. How can I find a BAT to test my assembly?
9. What regulations apply to Cross-Connection Control?