March 24, 2026
A hidden water leak can go unnoticed for weeks or even months, quietly causing damage behind walls, under floors, and beneath your foundation. By the time most Atlanta homeowners notice the signs, the leak has already caused mold growth, structural damage, or an unusually high water bill.
Professional leak detection in Atlanta uses advanced technology to pinpoint the exact location of a leak without tearing apart your home.
How Hidden Leaks Happen
Not all leaks are obvious drips under a sink. Many of the most damaging leaks in Atlanta homes occur in places you cannot see. Slab leaks happen when the water supply lines running beneath your home's concrete foundation develop cracks or corrosion. These are common in Atlanta homes built on slab foundations, especially those over 20 years old. Pinhole leaks in copper pipes are caused by corrosion over time and can develop behind walls or in ceilings. Underground supply line leaks between your water meter and your home can waste thousands of gallons before you notice a change in your water bill.
Signs of a Hidden Leak in Your Atlanta Home
There are several clues that you may have a hidden water leak. Your water bill has increased significantly without a change in usage. You hear the sound of running water when no fixtures are in use. There are warm or damp spots on your floor, especially on a slab foundation. You notice mold or mildew growing on walls or ceilings. Your water meter continues to spin even when all fixtures in your home are turned off. Paint is bubbling or wallpaper is peeling in areas near plumbing. You see cracks forming in your foundation or walls.
A quick way to test for a hidden leak is to turn off every water-using fixture and appliance in your home, then check your water meter. If the meter is still moving, you likely have a leak somewhere in your system.
How Professional Leak Detection Works
Modern leak detection in Atlanta relies on specialized equipment that locates leaks without invasive exploration. At RooterPLUS, our leak detection process includes several advanced methods.
Acoustic listening equipment amplifies the sound of water escaping from pipes, even through concrete, soil, or walls. Our technicians can pinpoint a leak's location by listening for the distinct sound of pressurized water escaping a pipe.
Thermal imaging cameras detect temperature differences behind walls and under floors. A leaking pipe creates a cooler area that shows up clearly on a thermal scan.
Video camera inspections allow us to feed a small camera into your drain and sewer lines to visually inspect the interior of your pipes for cracks, breaks, or deterioration.
These methods allow us to locate your leak accurately and recommend the least invasive repair.
Why Early Leak Detection Matters
The cost of finding and fixing a small leak is a fraction of the cost of repairing water damage, replacing flooring, or remediating mold. Atlanta's warm, humid climate makes mold growth especially aggressive. A leak behind a wall can produce visible mold in as little as 48 hours during summer months.
Early detection also saves water. Even a small pinhole leak can waste 10,000 or more gallons of water per year, which adds up on your DeKalb County, Fulton County, or Cobb County water bill.
Leak Detection and Repair From RooterPLUS
RooterPLUS provides comprehensive leak detection services across the Atlanta metro area. We locate the leak, explain your options, and handle the repair so you are dealing with one company from start to finish. Our service areas include Atlanta, Decatur, Sandy Springs, Roswell, Marietta, and the surrounding communities.
Think you have a hidden leak? Call RooterPLUS for professional leak detection in Atlanta before a small problem becomes a big one.

