Liberty Hill Outlines Backflow Prevention and Annual Testing Requirements
The City of Liberty Hill's Backflow Prevention page explains its program to protect the public water supply from cross-connections. It says annual testing applies to certain assemblies, and residential pool units require installation testing with further testing only recommended.
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What to know
Annual testing is not universal: residential pool units require installation testing with further testing only recommended, and single-family irrigation systems without chemical injection or septic tanks are tested at installation and later at an interval the page does not specify. [1]
Liberty Hill requires backflow prevention assemblies wherever a connection could allow tainted water into the city system or private plumbing. [1]
Common required locations include swimming pool automatic refill lines, refill lines for garden ponds and decorative fountains, and landscape irrigation systems. [1]
Testing must be done by a tester holding a Texas Commission on Environmental Quality license. [1]
All BPAs on commercial, multi-family or HOA-POA systems must be tested annually. [1]
Go to the source
- SOURCE 01 / PRIMARY SOURCEBackflow Prevention | Liberty Hill, TX ↗City announcementsRead on Sep 26, 2026. The source did not expose a publication date.
The story so far
- Liberty Hill Outlines Backflow Prevention and Annual Testing Requirements — reviewed version b052fae1
Each update keeps its earlier approved versions. Imported material enters this history only after review.