Yard Leak Detection and Irrigation Valve Repairs

Soggy spots in the yard? Rising water bill? Don’t ignore these signs… what looks like a sprinkler issue may actually be a plumbing problem tied into your water main or irrigation valve.

At GPS Plumbing, we specialize in diagnosing and repairing yard leaks and irrigation double check valve issues that affect your home’s water line.

While we don’t service sprinkler systems, we handle the plumbing that supports them, ensuring your water stays clean, safe, and flowing properly.

What Is an Irrigation Double Check Valve?

An irrigation double check valve is a backflow prevention device that protects your drinking water by keeping contaminants (like fertilizers or pesticides) from entering the main water supply through your irrigation system.

It’s typically located in the yard near your sprinkler system, but it connects directly to your home’s yard service line—the pipe that links your house to the city’s water main.

Signs of a Double Check Valve Leak:

  • Water pooling around the valve
  • Dripping or hissing sounds
  • Rust or corrosion on valve housing
  • Water meter spinning when all indoor fixtures are off
  • Poor irrigation performance despite good system pressure

Common Causes of Yard Leaks

In North Dallas, expansive soil, shifting foundations, and extreme temperatures create the perfect storm for underground plumbing issues. Your yard service line or irrigation tie-in may be leaking due to:

  • Corroded or cracked pipe materials
  • Tree root intrusion near the valve or yard line
  • Improper installation or shallow trench depth
  • Soil shifting from drought or rain cycles
  • Aging or defective fittings or valve components

Our Yard Leak & Valve Services

  • Water Leak Detection: We use proven diagnostic methods like shutting off the house valve and monitoring your water meter to determine whether the leak is between the meter and the house or at an irrigation tie-in. (No guesswork!)
  • Irrigation Double Check Valve Replacement: If your double check valve is leaking or corroded, we’ll replace it using high-quality, code-approved parts to protect your home’s water quality.
  • Yard Line Spot Repairs: When possible, we’ll perform targeted repairs on the damaged portion of your yard service line—saving you time and money.
  • Full Yard Line Replacement: If the pipe is beyond repair, we replace the entire yard service line using copper, PVC, or PEX—depending on your soil, layout, and current materials.

We do not repair sprinkler heads, timers, or controllers. We handle only the plumbing connected to your main line or irrigation valve.

Frequently Asked Questions

What causes a yard leak?

Yard leaks are often caused by corroded pipes, improper installation, or shifting soil. In North Texas, clay-heavy soil expands and contracts with weather changes, stressing underground lines.

Can tree roots cause yard leaks?

Yes. Tree roots are one of the most common culprits of yard plumbing damage. They seek moisture and can crack or shift pipes as they grow.

What is an irrigation double check valve?

It’s a backflow prevention device installed between your irrigation system and main water line. It stops contaminated water from flowing backward into your drinking supply.

Can GPS Plumbing replace a leaking irrigation valve?

Yes, we replace irrigation double check valves and any related fittings, as long as the issue is on the plumbing side—not inside the sprinkler system itself.

How do I know if my leak is plumbing or sprinkler related?

If your sprinkler system is off but your meter still spins or you see puddling near your valve, it’s likely a plumbing issue. We can confirm during inspection.

Do you work on sprinkler systems?

No. We do not service sprinklers, irrigation zones, or timers. We only handle plumbing connected to the main water line and irrigation valves.