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Fire Hydrant Backflow Protection
Fire Hydrant Backflow Protection from Spokane Aquifer Joint Board on KSPS Public TV
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Backflow Education Video
Backflow PSA produced by Idaho Washington Aquifer Collaborative (IWAC)
LLSWD Requiring Backflow Testing
Customers of the Liberty Lake Sewer and Water District will be required to annually hire a Washington State-certifed Backflow Assembly Tester to verify all