What matters here
Avondale explicitly requires a double check valve assembly at all fire protection water connections.
Fire line
City of Avondale Backflow and Cross-Connection Control fire line backflow rules
Avondale explicitly requires a double check valve assembly at all fire protection water connections.
Utility: City of Avondale Backflow and Cross-Connection Control
Last verified: 2026-04-05
Due basis: Avondale says annual testing is required, that customers will be notified when results are due, and that only a Certified Backflow Prevention Assembly Tester approved by the City may test devices in the system.
Highlights
- Fire protection water connections are named directly in the engineering manual.
- Certified testers recognized by Avondale must handle the annual and initial testing.
- Device location and installation rules are spelled out in city standards.
Workflow
Workflow
- Confirm the service is a fire protection water connection.
- Install the fire-line assembly per city detail.
- Use an Avondale-approved tester for the acceptance and annual test cycle.
Residential
- Single-family homes are not the main angle because Avondale's strongest public language sits around broader developments and protected services.
- Residential irrigation still matters when the city has required an assembly and annual testing.
Commercial and managed properties
- Commercial intent is strong because Avondale explicitly says all developments except single-family residential require devices.
- The approved tester list and city notification flow make this a real next-action utility page.
Tester routing
Use the governing authority's official tester list first, then only treat any sponsor placement as secondary routing.
FAQ
Local questions people actually ask
Does City of Avondale Backflow and Cross-Connection Control require annual backflow testing?
At installation and annually thereafter. Avondale says annual testing is required, that customers will be notified when results are due, and that only a Certified Backflow Prevention Assembly Tester approved by the City may test devices in the system.
Who is affected by City of Avondale Backflow and Cross-Connection Control backflow rules?
Avondale water customers with required assemblies, especially commercial, multifamily, irrigation, and fire-protection services tied to city water.
How do I submit or confirm a backflow test for City of Avondale Backflow and Cross-Connection Control?
Use the official utility workflow and submission methods listed on this page: Avondale backflow and cross-connection page, Avondale approved tester list, Avondale engineering requirements manual. Program phone: 623-333-4400.
Where should I look for testers for City of Avondale Backflow and Cross-Connection Control?
Start with the governing authority's published tester list. This utility has an official approved-tester route and it should be treated as the primary source.
Official sources
Avondale backflow and cross-connection page
Avondale explicitly requires a double check valve assembly at all fire protection water connections.
official program page
Avondale approved tester list
Avondale explicitly requires a double check valve assembly at all fire protection water connections.
official tester list pdf
Avondale engineering requirements manual
Avondale explicitly requires a double check valve assembly at all fire protection water connections.
official engineering manual