How To Tell If You Have a Slab Leak
By HomeAssist Connect Editorial Team ·
Short answer: Common signs of a slab leak include warm spots on the floor, a water bill that rises for no reason, the sound of running water when everything is off, and damp or warped flooring. A water meter test can help confirm a leak.
Common signs
- Warm spots on tile or wood floors (a hot water line leak).
- Unexplained jump in the water bill.
- Sound of running water with every fixture off.
- Damp carpet, mildew smell or warped flooring.
- New cracks in floors or walls.
Try the water meter test
Turn off every faucet, the ice maker, irrigation and water-using appliances. Note the meter reading or watch the leak indicator for 15–30 minutes. If it moves, water is escaping somewhere.
Why it's common around Houston
Most Houston-area homes are built on slab foundations over expansive clay soil. As the soil swells and shrinks with rain and drought, pipes beneath the slab can be stressed.
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This guide is general information, not professional advice. For gas, electrical or structural concerns, contact a qualified professional.