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Round Rock irrigation backflow testing

Round Rock is one of the best pilot cities for irrigation because it explicitly distinguishes low-hazard residential irrigation from high-hazard annual cases.

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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 is one of the best pilot cities for irrigation because it explicitly distinguishes low-hazard residential irrigation from high-hazard annual cases.

  • 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

  • Residential irrigation often falls into the low-hazard seven-year lane.
  • That does not mean every irrigation site is exempt from frequent testing.
  • Pools with auto-fill and other added hazards can move the property into a stricter category.
Workflow

Round Rock workflow order

  1. Confirm whether the irrigation device is low hazard or tied to a higher-risk property condition.
  2. Use a registered BPAT and BSI Online for submission.
  3. If the device fails, repair and retest within 30 days.