How to Prevent Slab Leaks in Your Tempe Home
Why Tempe Homes Are at Risk
Most homes in Tempe and the greater Phoenix area are built on concrete slab foundations, with copper water lines running directly beneath the concrete. Over decades, that copper can corrode from contact with soil, moisture, and Arizona's mineral-heavy groundwater, eventually developing pinhole leaks.
Because the pipe is under the slab, a leak often stays completely hidden until water finds its way up through the flooring — sometimes after months of gradual damage.
Warning Signs to Watch For
- A warm spot on your floor (indicates a hot water line leak)
- An unexplained increase in your water bill
- The sound of running water when everything is off
- Low water pressure at one or more fixtures
- Cracks appearing in flooring or walls
Steps to Reduce Your Risk
Have your water pressure checked periodically — pressure above 80 psi puts extra stress on pipes and fittings, accelerating wear.
Consider a whole-home water softener. Arizona's hard water accelerates mineral buildup and can contribute to pipe degradation over time.
Schedule a leak detection inspection if your home is over 25 years old, even without obvious symptoms — catching a slow leak early is far cheaper than repairing extensive water damage.
Monitor your water meter during a period when no water is being used in the house — if it's still moving, you likely have a leak somewhere in the system.
If You Suspect a Slab Leak
Don't wait for the problem to become obvious. Call a licensed plumber for a non-invasive detection inspection, which uses acoustic and thermal equipment to pinpoint the leak's location without cutting into your floor first.