What matters here
Mesa keeps separate resources for fire contractors, which makes the fire-line path stronger than a generic annual-testing page.
Mesa keeps separate resources for fire contractors, which makes the fire-line path stronger than a generic annual-testing page.
Mesa keeps separate resources for fire contractors, which makes the fire-line path stronger than a generic annual-testing page.
Use this as the source-backed check before treating the fire line route as a completed compliance item.
Use the governing authority's official tester list after you confirm the rule, due basis, and submission method for this exact topic.
Upon installation and annually thereafter. Mesa sends annual notices to regulated customers, requires recognized testers to submit results through the backflow portal within seven days of service, and requires immediate retesting after repair or maintenance.
Commercial, industrial, irrigation, fire-sprinkler, and dedicated-landscape-meter customers, plus residential sites that city code and plumbing rules identify as cross-connection hazards.
Use the official utility workflow and submission methods listed on this page: Mesa Backflow Prevention program, Mesa general tester list, Mesa city code on backflow prevention. Program phone: 480-644-6462.
The stored submission route is: Mesa Backflow Prevention program (program page), Mesa general tester list (official tester list), Mesa city code on backflow prevention (city code). Follow the utility workflow first because tester enrollment, filing fees, and pass/fail handling can differ by jurisdiction.
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.
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.
Testing is market-priced, but Mesa adds process friction through the portal deadline and annual notice cycle. Repair and retest cost changes with the device class and whether fire-side work is involved. The city does not publish a retail tester fee, so the main value is in the strict operational rules and list of recognized testers.