Annual city route

San Antonio annual backflow testing

SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.

City: San Antonio Utility: San Antonio Water System Backflow Prevention Cadence: Annual Last verified: 2026-06-29
Local answer

What to check for San Antonio

SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.

  • Due basis: Annual testing is required by City of San Antonio ordinance and state regulations. SAWS uses BSI to manage notices, customer service inspections, and customer tracking.
  • Who is affected: Properties with connections that can contaminate the public water system and customers requiring external or internal backflow assemblies.
  • Program phone: 210-233-2910
Local signals

Signals that matter before you act

  • Annual testing is the default rule for SAWS backflow assemblies.
  • BSI handles due and past-due notices for SAWS.
  • A failed annual test form counts as delinquent until the assembly passes.
Workflow

San Antonio workflow order

  1. Use the BSI customer portal to confirm due status and tester options.
  2. Book the test with a registered SAWS testing company.
  3. Repair and retest promptly if the annual form shows a failure because SAWS treats failed annual tests as delinquent.
Official source trail

Source-backed utility record

SAWS requires annual testing under city ordinance and state regulations and directs customers to BSI to find registered testing companies and check compliance.