Backflow Testing and Prevention

Assessment, testing, repair, and installation of approved backflow prevention assemblies used to protect a public water distribution system from cross-connections.

A bronze backflow prevention assembly with shutoff valves and test ports.
Synthetic editorial illustration. It does not depict a listed contractor or completed job.

Common scope

  • Cross-connection and assembly identification
  • Required backflow assembly testing
  • Assembly repair or replacement
  • New-device selection, installation, and water-supplier coordination

What it may cost

Backflow assembly test$85–$225 / device

Regional planning range for a routine test; failed assemblies, repairs, retesting, larger devices, and reporting add cost.

Pennsylvania regional planning range checked October 2026—not a water-supplier fee schedule or quote. Confirm whether filing, tags, repair, retesting, permits, and shutdown coordination are included.

Plumbers that list this service

2 published listings include related work in reviewed public sources. This is not a ranking, endorsement, or claim of specialization. Confirm the exact scope and availability directly.

Local requirements

Permits, licensing, and utility rules

Requirements vary by municipality, county, equipment, and water supplier. Confirm the current rule for the exact address and scope.

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