What matters here
Tempe explicitly says fire lines should be protected with a double check assembly located outside or inside the fire riser room.
Fire line
City of Tempe Backflow Prevention Program fire line backflow rules
Tempe explicitly says fire lines should be protected with a double check assembly located outside or inside the fire riser room.
Utility: City of Tempe Backflow Prevention Program
Last verified: 2026-06-29
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
- Fire lines are called out directly on the program page.
- Tempe treats fire-line protection separately from ordinary PVB irrigation use.
- Registered tester routing still applies.
Procedure facts
What has to line up before this item is closed
Use this as the source-backed check before treating the fire line route as a completed compliance item.
Workflow
Workflow
- Confirm the fire line assembly type Tempe expects.
- Use a Tempe-registered tester who can handle fire-line assemblies.
- Keep the annual fire-line record current so enforcement does not escalate.
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 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.
Need local follow-up?
Use the governing authority's official tester list after you confirm the rule, due basis, and submission method for this exact topic.
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.
What should I check before scheduling a tester for City of Tempe Backflow Prevention Program?
Confirm the due basis, property type, device type, and submission method before booking. Then open the official tester-list route, and make sure the report can be filed through the required utility or portal path.
What costs or portal fees should I expect for City of Tempe Backflow Prevention Program?
Testing is market-priced, but Tempe adds notice timing and tester-registration discipline. Repair and retest cost rises if the assembly was stolen, relocated, or tied to a fire line. The strongest local cost driver is avoiding Tempe enforcement and repeat site visits.
Official sources
Tempe backflow prevention program
Tempe explicitly says fire lines should be protected with a double check assembly located outside or inside the fire riser room.
official program page
Tempe registered testing companies list
Tempe explicitly says fire lines should be protected with a double check assembly located outside or inside the fire riser room.
official tester list pdf