What to check for Mesa
Mesa treats annual testing as the recurring baseline and requires recognized testers to upload the results within seven days of service.
- Due basis: 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.
- Who is affected: Commercial, industrial, irrigation, fire-sprinkler, and dedicated-landscape-meter customers, plus residential sites that city code and plumbing rules identify as cross-connection hazards.
- Program phone: 480-644-6462