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City of Prescott Backflow Prevention Program fire line backflow rules

Prescott's standards treat fire-protection connections as part of the backflow containment program rather than as a separate afterthought.

Utility: City of Prescott Backflow Prevention Program Last verified: 2026-04-05 Due basis: Prescott says all required backflow devices must be tested at installation and every year after that. The city requires customers to use one of Prescott's approved assembly testers and routes reports back to the Water Protection Office.
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Direct answer

What matters here

Prescott's standards treat fire-protection connections as part of the backflow containment program rather than as a separate afterthought.

Due basis: Prescott says all required backflow devices must be tested at installation and every year after that. The city requires customers to use one of Prescott's approved assembly testers and routes reports back to the Water Protection Office.

Highlights

Highlights

  • Fire-protection assemblies are explicitly part of the city's engineering standards.
  • The city still expects approved testers on the accepted list.
  • Fire work should stay tied to the utility workflow, not a generic contractor route.
Workflow

Workflow

  1. Confirm the fire-line assembly class Prescott expects.
  2. Use a Prescott-approved tester who can handle the fire assembly.
  3. Keep the report tied to the city's backflow program.
Residential

Residential

  • Residential demand is strongest when the property has irrigation or another utility-required containment assembly.
  • Prescott routes users into the city tester list instead of leaving the next step to generic plumbing search.
Commercial focus

Commercial and managed properties

  • Commercial value is strong because Prescott publishes both the approved tester list and utility engineering standards.
  • Fire-protection and irrigation triggers make this page more actionable than a generic annual-testing article.
FAQ

Local questions people actually ask

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

At installation and annually thereafter. Prescott says all required backflow devices must be tested at installation and every year after that. The city requires customers to use one of Prescott's approved assembly testers and routes reports back to the Water Protection Office.

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

Prescott water customers with required containment assemblies, including irrigation, commercial, multifamily, and fire-protection connections.

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

Use the official utility workflow and submission methods listed on this page: Prescott backflow prevention program, Prescott approved tester list. Program phone: 928-777-1471.

Where should I look for testers for City of Prescott 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.

Official sources

Official sources

Prescott backflow prevention program Prescott's standards treat fire-protection connections as part of the backflow containment program rather than as a separate afterthought.
official program page
Prescott approved backflow tester list Prescott's standards treat fire-protection connections as part of the backflow containment program rather than as a separate afterthought.
official tester list pdf
Prescott engineering standards chapters 4 to 6 Prescott's standards treat fire-protection connections as part of the backflow containment program rather than as a separate afterthought.
official utility standards