Slab leaks in Abilene homes: signs you shouldn't ignore

Most slab leaks we get called out to in Abilene ran quietly for weeks before anybody picked up the phone — not because the homeowner ignored it, but because the early signs look like something else. A slightly higher bill. A floor that's warm in one spot. A sound you assume is the neighbor's sprinkler. By the time it's obvious, the repair is bigger than it needed to be.

The short answer: a slab leak is a broken water line under your concrete foundation. The usual tells are a warm spot on the floor, a water bill that jumped for no reason, the sound of running water with every fixture off, or a meter that keeps turning. Any one of those is worth a call.

What a slab leak actually is

Most Abilene houses sit on a concrete slab, and the supply lines that feed your fixtures run through or under it. When one of those pressurized lines cracks or corrodes through, the water has nowhere to go but into the ground under your house. It doesn't drip into a bucket where you can see it — it soaks the soil, works its way sideways, and shows up somewhere that seems unrelated. The damage is loud but the evidence is quiet.

Six signs worth taking seriously

1. A warm spot on the floor. The one homeowners notice first, and the most reliable. Hot lines fail more often than cold ones, and escaping hot water heats the concrete above it. Barefoot on tile or vinyl, you'll feel a patch warmer than the floor around it. Floors don't get warm in one spot for good reasons.

2. A water bill that jumped with no explanation. Same people, same habits, bigger bill. The EPA's WaterSense program puts average household leaks at more than 10,000 gallons a year, and says 10 percent of homes have leaks wasting 90 gallons a day or more. A slab leak runs 24 hours a day without anyone seeing a drop.

3. Running water you can hear with everything off. Stand in a quiet house at night and listen near the floor. A hiss or a steady trickle under the concrete is a strong tell.

4. Water pressure that fell off. If the shower lost its punch and nothing at the fixture explains it, pressure may be bleeding out under the slab before it reaches the tap.

5. Damp, warped, or discolored flooring — or a musty smell. Carpet that never dries, wood that's cupping, tile that's come loose. Moisture coming up through a slab is a plumbing problem until proven otherwise.

6. New cracks in floors, walls, or the slab itself. Cracks alone don't prove a leak — houses in this part of Texas move on their own. But cracks alongside any of the signs above are worth a look, not a wait-and-see.

A slab leak doesn't heal. Every day it runs, the water bill, the soil damage, and the repair all get bigger.

The 30-minute meter test you can run yourself

Before you call anybody, you can narrow it down in half an hour, and it costs nothing.

1. Turn off every water-using thing in the house — faucets, washing machine, dishwasher, ice maker, and the irrigation controller.
2. Find the meter at the curb and write down the reading, or watch the small sweep dial or leak triangle.
3. Don't use a drop of water for 30 minutes, then check it again.

If the meter moved, water is leaving your system somewhere. If nothing is wet above ground and no toilet is running, the slab is the first place we look. Bring that reading to the phone call.

Why Abilene homes get them

Our water is hard. Abilene's municipal water runs around 14 grains per gallon, and mineral-heavy water pits copper from the inside until a pinhole opens. Heat speeds that up, which is why the hot line usually goes first. More on that in what Abilene's hard water is doing to your plumbing.

Our dirt moves. The Big Country sits on expansive clay that swells when it gets wet and shrinks hard in a dry stretch. That cycle stresses anything rigid buried in it, water lines included. A dry summer followed by a heavy rain is a rough week for buried pipe.

Pipes rub. A hot line expands and contracts every time the water heater cycles, and over a couple of decades that can wear copper thin against concrete or rebar. It's why we see slab leaks in houses that aren't old at all.

Slab leak detection: finding it without tearing up your house

This is where the money is saved or wasted. Finding the leak precisely is the entire job — the fix itself is usually the easy part.

Our slab leak detection is electronic: we pinpoint the exact spot instead of opening concrete until we get lucky. Depending on the house that means listening equipment that picks up pressurized water escaping, isolating and pressure-testing sections to confirm which line is losing, and reading temperature differences across the floor for a hot-line leak.

There's a second reason to locate it properly. Plenty of newer homes around here sit on post-tension slabs, with steel cables under tension running through the concrete. Cutting one is dangerous and expensive to put right. Nobody should be opening a slab on a hunch.

How the repair actually works

Once we know exactly where it is, there are generally two ways to go:

• Spot repair. One failure, an otherwise healthy system, accessible location — we open a small area, fix that section, and close it back up.
• Reroute. A line that failed once often fails again, especially copper that's been corroding for 30 years. Rerouting abandons the bad line and runs new pipe — usually PEX — through walls or the attic to bypass it entirely. Often that means no floor demolition at all.

We'll tell you which one we'd do at your house and what it costs before we start, and we document the leak and the repair for your insurance company. Coverage varies by policy, and many treat the resulting water damage differently from the pipe itself — documentation helps either way.

If the leak is already flooding something, don't wait on any of this. Shut off the main and call our 24/7 emergency line.

Catching it before it's a repair

The homeowners who avoid the expensive version of this are the ones who read their water bill every month and notice when the number moves. Our Home Care Plan ($299 a year or $29 a month) puts an annual 32-Point Home Inspection on the calendar, so somebody is actually looking. The standalone 32-Point Inspection is $249 and gets credited toward approved repairs.

Talk to a licensed plumber, not a call center

We're owner-operated and licensed in Texas as a Master Plumber (M-18761). We live with the same water and the same clay you do, and we'd rather find your leak in an afternoon than sell you a bigger job. Real work, real people, no corporate runaround.

Call (325) 701-7017 or request service online. More on how we handle it is on our slab leak detection and repair page.

Frequently asked questions

How can I check for a slab leak myself?

Run the meter test above. If the meter moved and nothing is wet above ground, the slab is the first place we look.

Can a slab leak damage my foundation?

It can. A leaking line keeps one patch of soil saturated while the rest of the yard dries out, and in Big Country clay that means uneven movement right under the concrete. Running water can also wash soil out and leave a void.

Is a slab leak an emergency?

Not usually a 2 a.m. emergency, but not a next-month problem either. It never seals itself, and the damage adds up every day it runs. Standing water or buckling floors? Shut off the main valve and call — we run 24/7 emergency service across the Big Country.

Do slab leaks only happen in older houses?

No. Older homes with copper under the slab are the most common, since hard water and heat corrode copper until a pinhole opens. Newer homes get them too, usually from a line nicked during construction or a pipe rubbing against concrete every time it heats and cools.