Underground water leaks are a homeowner’s nightmare. They are hidden, costly, and potentially destructive. A small leak can waste thousands of gallons of water and cause structural damage if left undetected.
But how do plumbers locate these invisible leaks without tearing up your yard or driveway? In this guide, we’ll walk through the professional techniques used to detect underground plumbing leaks quickly and efficiently.
Steps for Detecting Underground Plumbing Leaks
Step 1: Inspecting Visible Signs
Before using advanced equipment, plumbers check for visible symptoms of a leak. Common indicators include:
- Wet or soggy patches in the yard
- Unexpected spikes in your water bill
- Low water pressure throughout the house
- The sound of running water when no fixtures are in use
- Cracks in your home’s foundation
Step 2: Pressure Testing
Plumbers can determine if and where a leak is present by shutting off the water supply and monitoring the system’s pressure levels. A sudden drop in pressure signals an underground issue.
Step 3: Thermal Imaging Cameras
Infrared cameras detect temperature variations in the ground, revealing where water may be leaking. Thermal imaging cameras are useful for hot water line leaks.
Step 4: Video Pipe Inspection
A small, waterproof camera is inserted into the plumbing system, providing real-time footage of the pipes’ interior. This method helps detect cracks, corrosion, and blockages causing leaks.
Why You Shouldn’t Ignore an Underground Plumbing Leak
Ignoring an underground water leak can lead to:
- Structural damage – Water weakens foundations and driveways.
- Mold and mildew growth – Excess moisture creates health hazards.
- High water bills – A small leak can waste thousands of gallons per month.
- Sinkholes and soil erosion – Prolonged leaks wash away soil, leading to dangerous ground shifts.
Can You Find an Underground Water Leak Yourself?
Homeowners can try simple DIY methods to check for leaks:
- Water meter test: Turn off all water and check if the meter still moves.
- Food coloring test: Add food dye to toilet tanks—if the color seeps into the bowl, you may have a leak.
- Yard inspection: Look for soggy or unusually green patches in your lawn.
However, professional leak detection saves time and money while avoiding unnecessary excavation.
When to Call a Professional for Leak Detection
If you notice any of the following, it’s time to call Arnold & Sons Plumbing:
- Unexplained water bill increases
- Persistent low water pressure
- Wet spots or pooling water in the yard
- Foundation cracks or shifting ground
- Sounds of running water when pipes aren’t in use
Underground Water Leak FAQ
How long does it take to detect an underground leak?
Most leaks can be pinpointed within a few hours using specialized equipment.
Will leak detection damage my yard?
No. Non-invasive tools like acoustic sensors and thermal imaging help locate leaks without digging.
Can Arnold & Sons fix the leak once it’s found?
Yes! We provide full-service leak repair to restore your plumbing system quickly.
Schedule Professional Leak Detection Today
Underground water leaks are serious, but finding them doesn’t have to be a guessing game. If you suspect an underground plumbing leak, don’t wait. Contact Arnold & Sons Plumbing today! Our experienced team is ready to help. Call (309) 691-8291 or schedule an appointment online.
