San Marcos Service
San Marcos Water Utility
All testing is completed by TCEQ-licensed technicians and submitted through Central Texas’ official backflow reporting systems such as:
ECT.
H2O & Backflow Tests provides certified, reliable backflow testing throughout San Marcos, Texas.
About San Marcos, Texas
San Marcos, Texas sits between Austin and San Antonio and is known for its steady growth, strong student population, and mix of residential, commercial, and institutional properties. Home to Texas State University and a wide range of apartments, restaurants, retail centers, and businesses, San Marcos has significant demand for regulated plumbing and water safety services.
Many properties in San Marcos rely on irrigation systems, and commercial plumbing connections that require certified backflow prevention assemblies. Annual backflow testing helps ensure these systems are operating correctly and meeting local and state water quality regulations designed to protect the public water supply.
With continued development throughout the city and surrounding areas, San Marcos property owners depend on licensed backflow testing professionals to maintain compliance and avoid service interruptions. H2O & Backflow Tests proudly serves San Marcos with dependable, certified backflow testing for homes, businesses, and multi-property sites.
Schools We Serve in San Marcos
Popular & High-Traffic Areas in San Marcos
Neighborhoods We Serve in San Marcos
We provide backflow testing for every major neighborhood, new development, and student-housing area in San Marcos, including:
Why San Marcos Residents Trust H2O & Backflow Tests
- Same-day and next-day service
- Clean digital documentation
- Automatic submission to BSI or VEPO
- Clear, honest pricing with zero upselling
- Trusted by HOAs, apartments, student housing, inspectors, and local homeowners
Fast, accurate, and compliant — San Marcos’ most dependable backflow testing service.
Fast answers. Certified testing. No runaround.
Need an annual backflow test in San Marcos, TX? These are the questions we hear every week — with straight answers from H2O & Backflow Tests.
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QDo you provide backflow testing in San Marcos, TX? ›
Yes — we provide certified backflow prevention assembly testing throughout San Marcos for homes, irrigation systems, businesses, HOAs, and commercial properties.
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QWhat is backflow testing and why is it required? ›
Backflow devices protect the public water supply by preventing contaminated water from flowing backward into the potable system. Many properties must complete annual backflow testing to stay compliant — especially irrigation, commercial, and fire protection connections.
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QAre you licensed and insured for backflow testing? ›
Yes. Testing is performed by TCEQ-licensed technicians, and we’re insured for your peace of mind.
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QDo you submit test results for compliance reporting? ›
Yes — when required. We provide digital test reports and submit results through approved reporting systems used across Central Texas. If a utility requires a specific platform, we’ll submit it correctly.
Common platforms: BSI Backflow • VEPO Backflow • SwiftComply
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QDo you test irrigation backflow devices in San Marcos? ›
Yes — irrigation is one of the most common reasons annual backflow testing is required. We test irrigation backflow assemblies and provide compliant documentation for the property owner or manager.
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QHow much does a backflow test cost in San Marcos? ›
Our standard rate for a backflow prevention assembly test is $115. For multiple devices (HOA/commercial), call or text and we’ll make scheduling easy.
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QHow quickly can I get scheduled in San Marcos? ›
Same-day or next-day appointments are often available depending on demand. Call/text (512) 755-7318 or book online.
Book online: Schedule a Test
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QWhat happens if my backflow device fails the test? ›
If a device fails, we’ll explain what failed and what your options are. Many issues can be repaired by replacing internal components. If the assembly is severely worn or corroded, replacement may be the better long-term fix.
Related services: Backflow Repairs • Backflow Installations
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QDo you work with HOAs and commercial properties in San Marcos? ›
Absolutely. We handle single-site tests and multi-property schedules for HOAs, apartment communities, and commercial portfolios — with clean reporting and easy documentation.