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Annual testing

San Antonio Water System Backflow Prevention 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.

Utility: San Antonio Water System Backflow Prevention Last verified: 2026-04-04 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.
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Direct answer

What matters here

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.

Highlights

Highlights

  • 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

Workflow

  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.
Residential

Residential

  • Residential users most often see SAWS through annual notices for irrigation, fire sprinkler, septic, well, or alternative-water conditions.
  • SAWS is not a one-size-fits-all page because internal and external assemblies can sit on different compliance tracks.
Commercial focus

Commercial and managed properties

  • Commercial owners should expect SAWS customer service inspection and development workflows to overlap with annual testing when hazard conditions change.
  • The public materials are clearer on BSI workflow and notice handling than on retail tester pricing.
FAQ

Local questions people actually ask

Does San Antonio Water System Backflow Prevention require annual backflow testing?

Annual. 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 by San Antonio Water System Backflow Prevention backflow rules?

Properties with connections that can contaminate the public water system and customers requiring external or internal backflow assemblies.

How do I submit or confirm a backflow test for San Antonio Water System Backflow Prevention?

Use the official utility workflow and submission methods listed on this page: SAWS backflow prevention program, BSI customer portal, BSI submission portal. Program phone: 210-233-2910.

Where should I look for testers for San Antonio Water System Backflow Prevention?

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.

Official sources

Official sources

SAWS cross-connection control and backflow prevention program SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.
official program page
SAWS annual testing of backflow prevention assemblies SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.
official program page
SAWS annual irrigation checkup program SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.
official program page
BSI customer portal SAWS requires annual testing under City ordinance and state regulations and now uses BSI for due notices, customer tracking, and tester lookup.
official portal