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Round Rock annual backflow testing

Round Rock annual testing is mainly the high-hazard side of the program, while some low-hazard residential irrigation devices move to a seven-year cycle.

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City: Round Rock Utility: City of Round Rock Backflow Prevention Cadence: Annual for high-hazard devices; every 7 years for low-hazard devices Last verified: 2026-06-29
Local answer

What to check for Round Rock

Round Rock annual testing is mainly the high-hazard side of the program, while some low-hazard residential irrigation devices move to a seven-year cycle.

  • Due basis: Round Rock sends notices through BSI Online about 30 days before the testing due date. High-hazard devices require annual testing and low-hazard residential irrigation devices require testing every 7 years.
  • Who is affected: Commercial high-hazard properties, residential pools with auto-fill, and residential irrigation systems covered by the City's backflow program.
  • Program phone: 512-218-5575
Local signals

Signals that matter before you act

  • High-hazard devices are annual.
  • Low-hazard residential irrigation devices are every seven years.
  • BSI Online controls notice and reporting workflow.
Workflow

Round Rock workflow order

  1. Identify whether the device is in the high-hazard or low-hazard class.
  2. Use the BSI notice and schedule the test with a registered BPAT.
  3. Submit through BSI Online and repair within 30 days if the device fails.