City of Avondale Backflow and Cross-Connection Control
Open the Avondale approved tester list
- Last verified 2026-06-29
- At installation and annually thereafter
Arizona tester routes
Arizona approved backflow tester lists by utility.
Use this page to find Arizona utility routes where BackflowPath has a published official tester-list path. The governing utility page remains the route that decides the list and reporting workflow.
11 official tester routes
State guide: Arizona backflow testing requirements
Local utility rules stay canonical
Official routes
Open the utility list before choosing a tester
Each route below points to a utility page that separates the official authority list from non-official provider discovery.
City of Chandler Water Quality Backflow Program
Open the Chandler approved testing companies list
- Last verified 2026-06-29
- Upon installation and annually thereafter
City of Glendale Cross Connection Control and Backflow
Open the Glendale certified tester resource list
- Last verified 2026-06-29
- Before use and through the city-recognized certified tester workflow
City of Phoenix Backflow Prevention Program
Open the Phoenix tester list
- Last verified 2026-06-29
- Upon installation and annually thereafter
City of Prescott Backflow Prevention Program
Open Prescott's approved backflow tester list
- Last verified 2026-06-29
- At installation and annually thereafter
City of Tempe Backflow Prevention Program
Open the Tempe registered testing companies list
- Last verified 2026-06-29
- At installation and annually on the anniversary date
Marana Water Backflow Program
Open the Marana approved backflow tester list
- Last verified 2026-06-29
- Annually on the neighborhood testing schedule
Mesa Water Resources Backflow Prevention
Open the Mesa general tester list
- Last verified 2026-06-29
- Upon installation and annually thereafter
Scottsdale Water Backflow Prevention / Cross-Connection Control
Open Scottsdale commercial services backflow resources
- Last verified 2026-06-29
- Commercial annually; temporary and construction protection on activation
Town of Queen Creek Backflow Program
Open Queen Creek contractor information for approved tester routing
- Last verified 2026-06-29
- Annually after installation and on the BSI filing cycle
Tucson Water Backflow Prevention
Open the Tucson Water tester list
- Last verified 2026-06-29
- Upon installation and annually thereafter
Statewide certification is not the same as utility approval
Many searches mix certified, registered, and approved tester language. BackflowPath keeps these routes tied to the actual utility list or portal source shown on the local page.
Guides that clarify tester status
Approved testers vs find a tester
Why official tester lists and commercial directories must stay separate, and what each page type is allowed to claim.
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County-certified vs utility-approved testers
Why a county certification list, a city-approved list, and a non-endorsed handout are not the same thing even when they all help users find testers.
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Backflow reporting portals
How BSI, SwiftComply, and utility customer portals change the real testing workflow after the field work is done.
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