
GMR Backflow provides certified backflow testing services throughout San Antonio, TX, helping residential and commercial customers meet San Antonio Water System (SAWS) compliance requirements and protect the public water supply. Annual testing is typically required for irrigation systems, fire sprinkler systems, and many commercial properties to prevent contaminated water from flowing back into the potable system. Our licensed backflow testers perform accurate inspections, explain the results, and complete the necessary paperwork so you remain in compliance. If your assembly fails, we also provide repair and replacement options to restore protection quickly. As a locally owned company, we understand San Antonio regulations, scheduling needs, and service expectations. With clear communication and flat-rate pricing, we make your San Antonio backflow test straightforward and hassle-free.
Backflow Testing In San Antonio
- 150 US dollars
- 200 US dollars
- 275 US dollars

What Is Backflow?
A plumbing issue where the reverse flow of water can contaminate San Antonio's clean water supply, posing health risks and compromising water safety.




