Signs Your Bryan/College Station Home May Have a Slab Leak: What to Look For
- Jarrid Perry
- Dec 1
- 3 min read
Leaks under concrete slabs can cause serious damage if left unchecked. Detecting a slab leak early can save you from costly repairs and structural problems. This post will guide you through the common signs that indicate your slab might have a leak, practical ways to identify the problem, and what steps to take next.
Why Slab Leaks Matter
A slab leak happens when water pipes beneath a concrete foundation develop cracks or breaks. Because the pipes are hidden, leaks can go unnoticed for a long time. Over time, water can erode the soil under the slab, cause cracks, and even lead to foundation instability. Detecting leaks early helps prevent damage to your home’s structure and reduces water waste.
Common Signs of a Slab Leak
1. Unexplained Increase in Water Bill
One of the first clues is a sudden spike in your water bill without any change in usage. A leak under the slab can waste hundreds of gallons of water daily. If your bill rises sharply, check for leaks inside and outside your home, including under the slab.
2. Warm Spots on the Floor
If your home has a hot water heating system or radiant floor heating, warm spots on the floor can indicate a leak. Water escaping from a hot water pipe under the slab will heat the concrete unevenly, creating noticeable warm patches.
3. Damp or Wet Spots on the Floor
Moisture appearing on the floor surface, especially in areas where there is no plumbing fixture, can signal a slab leak. This might show as dampness, discoloration, or even mold growth on carpets or flooring materials.
4. Cracks in the Floor or Walls
Leaks can cause the soil beneath the slab to erode or shift, leading to cracks. Look for new or expanding cracks in the concrete floor, walls, or baseboards. These cracks may be accompanied by uneven flooring or doors that stick.
5. Low Water Pressure
A leak reduces the water pressure in your home. If you notice a drop in pressure at multiple faucets or showers, it could be due to a slab leak diverting water away from your plumbing fixtures.
6. Sounds of Running Water
If you hear water running when all faucets are off, it might be a leak. This sound can sometimes be faint and heard near the floor or foundation walls.
How to Confirm a Slab Leak
Use a Water Meter Test
Turn off all water fixtures and appliances. Check the water meter and note the reading. Wait a few hours without using any water, then check the meter again. If the reading changes, you likely have a leak.
Look for Visible Signs Outside
Check your yard for unusually wet or soggy areas, especially near the foundation. Water pooling or lush grass patches in dry weather can indicate underground leaks.
Hire American Plumbing for a Professional Leak Detection Service
American Plumbing Company uses specialized equipment like electronic amplifiers, infrared cameras, and pressure testing to locate leaks precisely without breaking the slab unnecessarily.
What to Do If You Suspect a Slab Leak
Act Quickly
Ignoring a slab leak can cause extensive damage. The longer it goes untreated, the more soil erosion and structural damage can occur.
Contact American Plumbing Company
A plumber experienced with slab leaks can diagnose the problem accurately and recommend repair options. American Plumbing has been specially trained in high-end leak detection equipment.
Consider Repair Options
Pipe Rerouting: Installing new pipes above the slab to avoid future leaks.
Pipe Spot Repair: Fixing the specific damaged section under the slab.
Slab Replacement: In severe cases, removing and replacing the slab may be necessary.
Monitor After Repairs
After fixing the leak, keep an eye on your water bill and check for any new signs of moisture or damage.
Preventing Slab Leaks
Regular Inspections: Have your plumbing inspected periodically, especially if your home is older.
Water Pressure Control: Avoid excessive water pressure that can stress pipes.
Use Quality Materials: When installing or repairing pipes, use durable materials designed for slab installation.
Maintain Landscaping: Avoid planting trees or shrubs with invasive roots near your foundation.
If in doubt, give American Plumbing Company a call at 979-324-7611. They are your local plumber in Bryan and College Station ready to locate your leaks, and repair them!