Featured Video Play Icon
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
Cross Connection Control
Cross Connection Control Program
A cross-connection is defined as any actual or potential physical connection between the public water system and any source that could contaminate the public