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City of Tempe Backflow Prevention Program irrigation backflow rules

Tempe distinguishes containment and isolation, which makes irrigation a real utility angle rather than a generic plumbing topic.

Utility: City of Tempe Backflow Prevention Program Last verified: 2026-04-05 Due basis: Tempe uses annual anniversary-date testing by a City-registered certified tester, sends reminders before the due date, and can escalate unresolved noncompliance to termination of water service.
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Direct answer

What matters here

Tempe distinguishes containment and isolation, which makes irrigation a real utility angle rather than a generic plumbing topic.

Due basis: Tempe uses annual anniversary-date testing by a City-registered certified tester, sends reminders before the due date, and can escalate unresolved noncompliance to termination of water service.

Highlights

Highlights

  • Pressure vacuum breakers are described as isolation devices inside the user system.
  • Replacement or relocation can require a plumbing permit.
  • The city-owned meter and annual notices stay central to compliance.
Workflow

Workflow

  1. Confirm whether the irrigation assembly is serving as containment or isolation.
  2. Use a registered tester for the annual anniversary test.
  3. If the assembly is moved or replaced, coordinate the permit and record updates with Tempe.
Residential

Residential

  • Tempe is useful for residential intent when irrigation, fire sprinklers, or another hazard brings the property into the containment program.
  • Users are responsible for maintaining three years of testing and repair records.
Commercial focus

Commercial and managed properties

  • Commercial and multifamily intent is strong because Tempe publishes both tester registration rules and real notice timing.
  • Fire lines are clearly treated differently from ordinary irrigation assemblies.
FAQ

Local questions people actually ask

Does City of Tempe Backflow Prevention Program require annual backflow testing?

At installation and annually on the anniversary date. Tempe uses annual anniversary-date testing by a City-registered certified tester, sends reminders before the due date, and can escalate unresolved noncompliance to termination of water service.

Who is affected by City of Tempe Backflow Prevention Program backflow rules?

Tempe customers with contained cross-connection hazards, including irrigation, fire-line, multifamily, commercial, and other assemblies tracked by the Water Utilities Division.

How do I submit or confirm a backflow test for City of Tempe Backflow Prevention Program?

Use the official utility workflow and submission methods listed on this page: Tempe backflow prevention program, Tempe registered testing companies list. Program phone: 480-350-2678.

Where should I look for testers for City of Tempe Backflow Prevention Program?

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.