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Underground and Overhead: The Ultimate Homeowner Utility Line Quiz
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What is the primary danger of a 'backflow' event in a residential water system?
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Hint
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50-50
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Audience
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A
Contaminants can be drawn backward into the public clean drinking water supply
B
Water will flow up through the roof vents and flood the gutters
C
The water heater will implode from excess negative pressure
D
The water meter will run backward and cause billing errors
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