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Fort Worth fire-line backflow testing

Fort Worth's fire line rules are stricter than a generic backflow job. Fire protection sprinkler assemblies must still be tested annually, but the State Fire Marshal overlays tester-employment requirements.

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City: Fort Worth Utility: City of Fort Worth Water Backflow Program Cadence: Upon installation, repair, or relocation; and annually thereafter Last verified: 2026-06-29
Local answer

What to check for Fort Worth

Fort Worth's fire line rules are stricter than a generic backflow job. Fire protection sprinkler assemblies must still be tested annually, but the State Fire Marshal overlays tester-employment requirements.

  • Due basis: All backflow protection assemblies must be tested on installation, repair, or relocation and annually after that. Commercial-class irrigation backflows are also tested annually.
  • Who is affected: Commercial properties, irrigation systems, firelines, and any site with a backflow assembly under Fort Worth water utility oversight.
  • Program phone: 817-392-8008
Local signals

Signals that matter before you act

  • Fire protection sprinkler backflows are still in the annual testing program.
  • Testing or repair must be done by a BPAT who is a full-time employee of a fire protection sprinkler company licensed with the State Fire Marshal's Office.
  • Inspection paperwork must be complete and available onsite.
Workflow

Fort Worth workflow order

  1. Confirm the fire line assembly is tied to the proper plumbing or fire permit path.
  2. Use a BPAT employed by a licensed fire protection sprinkler company.
  3. Keep the test report onsite and in VEPO so the City inspection does not fail for paperwork reasons.