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Residential Backflow Testing

In the Greater San Antonio Area

Certified backflow testing to protect your home's water supply from contamination

What is Residential Backflow Testing

A residential backflow test ensures your home's backflow preventer is working properly and protects your drinking water from contamination

Residential Backflow Preventer

When Is It Required?

  • Required annually by most water authorities

  • When a notice letter is received in the mail

  • Any time that a backflow is replaced or repaired

  • When a backflow is relocated 

We provide residential backflow testing in San Antonio, Cibolo, Universal City, New Braunfels, Bulverde, and Seguin.

Schedule Your Backflow Test

Why Choose GMR Backflow LLC

  • Specialized Licensed Backflow Testers

  • TCEQ Certified

  • Fast, Reliable Service

  • Flat Rate Straight Forward Pricing

  • Backflow Specific Company

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