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Reliable and accurate underground slab foundation leak testing and repair services for the Texas plumbing industry since 1991.

Our Specialized Services:

Since 1991, we have provided precision leak detection and repair solutions for the Texas plumbing industry. Our methodical approach ensures accuracy and long-term reliability.

Hydrostatic Testing

State-of-the-art underground and slab foundation leak testing designed to isolate and identify sewer system vulnerabilities.

Slab Leak Repair

Comprehensive repair services for leaks beneath the foundation, utilizing precise excavation and tunneling techniques.

Cast-Iron Pipe
Replacement

Total replacement of old cast-iron pipes below foundation. Consists of full removal of the old pipe and installation of new updated material.

Video Inspections

High-definition camera technology to visually inspect and diagnose the condition of underground plumbing systems.

Sewer Isolation

Systematic isolation protocols to identify exact leak locations within complex underground sewer networks.

Plumber Support

Specialized excavation and tunneling support for plumbers, offering reliable trenching for comprehensive repair access.

Who We Serve:

  • Individual Homeowners

  • Property Managers

  • Plumbers

The Trusted Standard in Texas Slab Leak Detection and Repairs.

Since 1991, DeLong Leak Locators has provided methodical, state-of-the-art underground testing, cast-iron pipe replacement, and excavation services for the Texas plumbing industry.

33+

YEARS OF TEXAS EXPERTISE

100%

DETECTION ACCURACY

1991

SERVING PLUMBERS SINCE

TX

STATEWIDE FIELD SUPPORT

Professional Specialized Underground Leak Support for Local Plumbers

Since 1991, DeLong Leak Locators has been the trusted partner for plumbing professionals across Texas. We provide state-of-the-art underground and slab foundation leak testing, specialized hydrostatic sewer isolation, cast-iron pipe replacement, precision video inspections, and excavation. Our team handles the technical heavy lifting—from precision diagnostics to specialized trenching and tunneling—empowering your business with accurate data and reliable excavation support for every project.

HYDROSTATIC TESTING • SLAB LEAK DETECTION • CAST-IRON PIPE REPLACEMENT • WATER & SEWER LEAK REPAIR • VIDEO INSPECTIONS • TUNNELING • EXCAVATION • PLUMBER SUPPORT

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