At installation and annually thereafter
City of Avondale Backflow and Cross-Connection Control
Avondale is a strong utility-first page because the city pairs annual testing, approved testers, and specific approved device classes in one public workflow.
Annually after installation
City of Buckeye Environmental Compliance and Backflow Program
Buckeye is a useful Arizona utility because it publishes annual due notices, clear required assembly classes, and direct owner responsibility for annual testing.
Upon installation and annually thereafter
City of Chandler Water Quality Backflow Program
Chandler is a strong expansion utility because it combines a city-run Water Quality program, a maintained approved-company list, and explicit city-approved tester requirements.
Annually
City of Flagstaff Backflow Prevention Program
Flagstaff is a utility-first page because the city program clearly explains who is exempt, who needs annual testing, and how testers must route reports.
Before use and through the city-recognized certified tester workflow
City of Glendale Cross Connection Control and Backflow
Glendale is a useful Arizona utility because it combines a real tester resource list with permit, inspection, and pre-use assembly rules for hydrant and temporary-water work.
On the city compliance cycle after installation and annually where the assembly remains in service
City of Goodyear Backflow Prevention and Cross-Connection Control
Goodyear is a utility-first Arizona page because the city exposes a genuine compliance workflow instead of a thin city overview.
Upon installation and annually thereafter
City of Phoenix Backflow Prevention Program
Phoenix is one of the strongest Arizona utilities because it publishes tester requirements, a current tester list, city code references, and a clear work-order driven reporting workflow.
At installation and annually thereafter
City of Prescott Backflow Prevention Program
Prescott is a strong Northern Arizona utility because the city ties annual testing, approved testers, irrigation triggers, and fire-protection assemblies into one clear utility workflow.
At installation and annually on the anniversary date
City of Tempe Backflow Prevention Program
Tempe is a strong Arizona utility because it combines annual anniversary testing, registered testers, explicit notice timing, and escalation to water-service termination.
Annually on the neighborhood testing schedule
Marana Water Backflow Program
Marana is a strong Arizona utility because it combines a public approved tester list, annual scheduling, 7-day repair timing, and potable-water shutoff risk.
Upon installation and annually thereafter
Mesa Water Resources Backflow Prevention
Mesa is a high-value Arizona utility because it publishes the annual cadence, the seven-day submission rule, tester lists, and a city-code layer that covers residential, irrigation, and fire-related hazards.
Commercial annually; temporary and construction protection on activation
Scottsdale Water Backflow Prevention / Cross-Connection Control
Scottsdale is a strong support utility because it publishes the annual commercial inspection rule, certified tester requirement, and a real temporary-water backflow workflow.
Upon installation and annually thereafter for protected commercial services
Town of Gilbert Backflow Prevention
Gilbert is a good Arizona buildout utility because it clearly states that all commercial water users are managed under a town-run containment and internal backflow program.
At installation and annually thereafter for required assemblies
Town of Prescott Valley Backflow Prevention Program
Prescott Valley is useful because it combines installation-plus-annual testing rules with a clearly non-endorsed tester directory, which fits the project's directory-only route model cleanly.
Annually after installation and on the BSI filing cycle
Town of Queen Creek Backflow Program
Queen Creek is a strong utility because it combines annual backflow reporting, BSI filing fees, and strict tester credential requirements.
Upon installation and annually thereafter
Tucson Water Backflow Prevention
Tucson Water publishes one of the clearer Arizona workflows: annual testing, registered testers, an iBAK portal, and a short shutoff-warning path when compliance is missed.