Master Plumber License: M43276

Backflow Services

Trusted & Google-Certified Plumbing Experts in Galveston, TX

Protecting Your Water Supply with Expert Backflow Services

Preventing backflow is essential for protecting your property’s water quality and keeping drinking water safe. At Galveston Plumbing, we specialize in backflow device installation, annual testing, and repair services. Our certified backflow technicians help homes, businesses, and commercial properties in Galveston stay compliant, safe, and sanitary.

Backflow occurs when water flows in reverse — potentially allowing contaminants to enter your potable water supply. Whether it’s caused by a sudden drop in water pressure or a rise in downstream pressure, the risk is real. That’s why having the right backflow prevention device correctly installed and tested is so important.

What We Offer :

Notes :

Backflow prevention is not just a “nice to have” — in many areas, it’s required by local plumbing codes or water utility regulations. Regular testing (annual or more frequently) is crucial to ensure the device works correctly, especially in critical systems or commercial properties.

Certified Plumbing Services In Galveston

From emergency repairs to full plumbing installations, our certified experts deliver dependable, fast, and high-quality service for every home.

Why Choose Galveston Plumbing?

  • Certified Backflow Experts: Our team is fully trained and certified to install, test, and maintain backflow prevention devices.

  • Regulatory Compliance: We understand Texas and Galveston water regulations, ensuring your system meets local code requirements.

  • Reliable & Thorough: From cross-connection inspections to device certification — we handle the full backflow prevention lifecycle.

  • Preventive Maintenance: Regular maintenance helps avoid contamination risks and expensive backups.

  • Fast & Efficient Service: We work with minimal disruption, using proven tools and techniques to finish jobs promptly.

Your plumbing problem becomes our priority — and we fix it with care, skill, and integrity.

What Our Customer Say

At Galveston Plumbing, customer satisfaction is at the heart of everything we do. Our clients appreciate our honesty, quick response, and high-quality workmanship — and their words speak for themselves.

Selected Questions

Frequently Asked Questions

Backflow is when water or liquid flows backwards into the clean water supply, threatening contamination.

Two main causes: back-siphonage (when water pressure drops) and backpressure (when downstream pressure is higher).

We install devices like Reduced Pressure Zone (RPZ) assemblies, Double Check Valve Assemblies (DCVA), Pressure Vacuum Breakers (PVB), and atmospheric vacuum breakers.

Most utilities require annual testing, but the frequency may vary depending on risk factors.

Yes — especially if there's a cross-connection like an irrigation system, pool, or boiler. It may also be mandated by local plumbing codes.

No. Backflow devices must be tested by certified testers using specialized equipment to ensure compliance.

We’re certified, experienced, and familiar with local regulations — plus we offer full service (install, test, repair).

Testing usually takes 30–60 minutes, depending on the type and number of devices.

We can repair or replace faulty parts, clean internal components, or replace the device altogether — then retest for compliance.

Yes. These devices prevent water contamination and reduce water waste, helping protect both health and the environment.