Source of the water

Nationwide

Leak Detection in the United States

Our always-ready team uses moisture level numbers and targeted inspection to locate hidden leaks and define how far the water has spread.

Restoration phone support around the clock
Residential and commercial loss response
Measured extraction, cleanup, and drying
One restoration team from assessment to dry standard

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Signs to look for

When to call us for leak detection

With a crew geared up, if you notice any of these problems, call us before water has more time to spread into nearby materials.

The meter's low flow indicator keeps turning with everything shut off

For an always-ready response, that little triangle or dial moving with no fixture running proves water is escaping somewhere on the supply side.

Your utility sent a high usage or continuous flow alert

Because we answer at any hour, smart meters flag flow that never drops to zero across a whole day. So mobilization stays on track, those alerts frequently reach the property before any water is visible inside the building.

You can hear a hiss or a rush in one wall

With a crew geared up, pressurized water escaping through a small opening makes a steady high frequency sound.

A strip of lawn is greener or soggier than the rest during dry weather

Because we answer at any hour, an underground service line leak waters the ground above it long before it surfaces.

The pool loses more than about a quarter inch a day

With a crew geared up, evaporation accounts for roughly a quarter inch daily in most conditions.

An irrigation zone stays wet after the system shuts down

Because we answer at any hour, a cracked lateral or a valve that will not seat keeps feeding one zone continuously.

What happens

How we handle leak detection

Our always-ready team adjusts the work to what got wet, how far the water traveled, and which materials can be saved.

A symptom interview that narrows the system first

For an always-ready response, supply, drain, irrigation, pool and hydronic heating all leak differently and are found with different methods.

Meter observation and valve by valve isolation

With a crew geared up, we watch the water meter while closing isolation valves one at a time, section by section.

A static pressure test on the supply system

So mobilization stays on track, the main is closed and a pressure gauge is fitted at a hose bib or a laundry connection.

Hot side and cold side separated

Because we answer at any hour, isolating at the hot water outlet splits the system in half.

Acoustic listening at ground and wall surfaces

With a crew geared up, an acoustic listening device and a ground microphone amplify the sound of water escaping under pressure.

Leak noise correlation on long buried runs

A leak noise correlator places sensors at two access points and calculates the leak position from the tiny difference in crew crew arrival times.

Talk with a restoration specialist

Water loss in the United States?

Describe the source, the impacted rooms, and when you first noticed the damage.

Call (888) 657-0846

What to expect

What to expect from our always-ready team

Here is how we ordinarily handle leak detection near the United States.

1
You let our standby desk know the symptom and what has been ruled out

So mobilization stays on track, meter movement, a wet spot, a sound, a bill, or a failed pressure test all start the search in different places.
Your call
2
One check you can make before we reach the property

For an always-ready response, close every fixture, then look at the water meter and note whether the low flow indicator moves.
+10 minutes
3
The system is identified before any tool comes out

Because we answer at any hour, we verify whether this is supply, drain, irrigation, pool or heating. Because we answer at any hour, detection methods are system specific, and starting on the wrong one wastes an hour.
On arrival
4
Isolation, valve by valve

For an always-ready response, sections are closed one at a time while the meter is watched. Because we answer at any hour, each closure that stops the flow shrinks the search area, in many cases by more than half.
First 20 minutes
5
Static pressure test to verify and size the loss

With a crew geared up, a gauge on a closed system tells us whether pressure holds, and how fast it falls if it does not.
Next 20 minutes
6
Line tracing, then the acoustic sweep

Because we answer at any hour, we map where the pipe runs, then listen along it with a ground microphone or a wall probe.
Mid visit
7
Correlation or tracer gas if the sound is not enough

With a crew geared up, long buried runs get a leak noise correlator, and quiet or plastic lines get tracer gas.
As needed

Understanding the cost

What can affect the price

With a crew geared up, we explain the recommended work and price before you approve the job. With a crew geared up, these examples show what may change the estimate.

Common situation	What the estimate may include	Typical range
Standard leak detection visit, accessible plumbing, one system	Nationwide cost range for isolation, pressure testing and an acoustic sweep with a marked location.	$150 to $400
Slab leak location using acoustic listening with thermal screening	Nationwide cost range. The common band for locating a leak under a slab on grade.	$250 to $600
Underground water service line leak location between the meter and the house	Nationwide cost range including line tracing and correlation on a buried run.	$300 to $800
Tracer gas testing where acoustic methods cannot isolate the line	Nationwide cost range. Used on plastic pipe, low pressure lines and noisy sites.	$350 to $900
Pool or irrigation line leak location	Nationwide cost range. Pressure testing each line and zone, then locating the failed section.	$300 to $700
Written detection report with photographs for a carrier or a builder	Nationwide cost range added to the detection fee when formal documentation is required.	$100 to $300
After hours or emergency detection dispatch	Nationwide cost range for nights, weekends and holidays, billed once rather than per hour.	$100 to $400 nationally

Which system is leaking
A supply line under pressure is the most locatable. Drains, irrigation and pool plumbing each need different gear and take longer.
Whether the pipe route is known
If nobody knows where the line runs, tracing has to happen before listening can start. On older properties that is frequently half the site call.
Slab, wall, crawl space or underground
For an always-ready response, an accessible wall or crawl space is quick.
Pipe material and depth
With a crew geared up, metal pipe carries leak sound well and is easier to hear.
Background noise conditions
For an always-ready response, traffic, machinery, wind and a busy building all mask the sound of a leak.
Access and what has to be moved
So mobilization stays on track, furniture, stored goods, landscaping and finished surfaces all slow the sweep down.

Why timing counts

What can happen when the area stays wet

For an always-ready response, water can keep moving into nearby materials even when the surface looks dry.

Exploratory demolition costs more than detection

With a crew geared up, two or three wrong holes in tile, drywall and flooring exceed a detection fee in short order, and the repairs are visible afterward.

A repair aimed at a guess leaves the leak running

So mobilization stays on track, replacing the section somebody suspected is how a stain returns three weeks later. Because we answer at any hour, the second site call costs more than getting it right once.

Every day is billed water and saturated ground

For an always-ready response, a pressurized leak runs continuously, unlike a drip that only leaks when a fixture is used.

Soil washout undermines slabs and footings

With a crew geared up, a leak under or near a foundation moves soil as well as water.

Helpful service information

What to know about leak detection

Because we answer at any hour, start with the short explanation. For an always-ready response, open a card if you want a little more detail.

What is happening inside the property

The first move is deciding which system is losing water: pressurized supply, gravity drain, irrigation, pool plumbing or a heating loop.

Read the explanation

Leak detection is a process of elimination, and the tools come last. The first move is deciding which system is losing water: pressurized supply, gravity drain, irrigation, pool plumbing or a heating loop.

How the next step is decided

A ground microphone on concrete or soil, or a probe against a wall, amplifies it while filtering traffic and machinery out.

Read the explanation

Acoustics work because pressurized water forced through a small opening makes a steady, characteristic sound. A ground microphone on concrete or soil, or a probe against a wall, amplifies it while filtering traffic and machinery out.

What may change the work

Because we answer at any hour, the line is drained and charged with a hydrogen and nitrogen mix, safe and non toxic at the concentrations used.

Read the explanation

Because we answer at any hour, when nothing can be heard, tracer gas takes over. Because we answer at any hour, the line is drained and charged with a hydrogen and nitrogen mix, safe and non toxic at the concentrations used.

Help near you

Leak Detection near the United States

Choose your area below, or call (888) 657-0846 and describe what happened.

Available in Alabama

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Common questions

Questions about leak detection

What is leak detection?

For an always-ready response, it is the service of locating the source of an escaping water leak without demolishing the building to find it.

How is leak detection different from moisture mapping?

For an always-ready response, they answer opposite questions. With a crew geared up, detection finds where the water is coming from so it can be repaired. For an always-ready response, moisture mapping measures how far the water has already spread so the right materials get dried.

Can you find a leak without breaking anything?

Because we answer at any hour, that is the entire point of the service. With a crew geared up, acoustic listening, correlation, line tracing and tracer gas all work from the surface.

How accurate is leak detection?

So mobilization stays on track, on a pressurized metal line in reasonable conditions we are in many cases within a foot. So mobilization stays on track, plastic pipe, deep burial and heavy background noise widen that.

Do you repair the leak too?

So mobilization stays on track, no. With a crew geared up, we locate, mark and document, and your plumber makes the repair.

How does acoustic leak detection work?

So mobilization stays on track, water escaping a pressurized pipe creates a steady sound as it forces through a small opening.

What is tracer gas leak detection and is it safe?

For an always-ready response, the line is drained and filled with a hydrogen and nitrogen mix, which is a safe, non toxic blend at the dilution used.

Talk with a restoration specialist

Water loss in the United States?

Describe the source, the impacted rooms, and when you first noticed the damage.

Call (888) 657-0846

Areas we serve

Water-damage help across the United States

With a crew geared up, identify your state to reach restoration assessment, extraction, cleanup, and drying service in your area.

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Leak Detection in the United States

When to call us for leak detection

The meter's low flow indicator keeps turning with everything shut off

Your utility sent a high usage or continuous flow alert

You can hear a hiss or a rush in one wall

A strip of lawn is greener or soggier than the rest during dry weather

The pool loses more than about a quarter inch a day

An irrigation zone stays wet after the system shuts down

How we handle leak detection

A symptom interview that narrows the system first

Meter observation and valve by valve isolation

A static pressure test on the supply system

Hot side and cold side separated

Acoustic listening at ground and wall surfaces

Leak noise correlation on long buried runs

Water loss in the United States?

What to expect from our always-ready team

You let our standby desk know the symptom and what has been ruled out

One check you can make before we reach the property

The system is identified before any tool comes out

Isolation, valve by valve

Static pressure test to verify and size the loss

Line tracing, then the acoustic sweep

Correlation or tracer gas if the sound is not enough

What can affect the price

What can happen when the area stays wet

Exploratory demolition costs more than detection

A repair aimed at a guess leaves the leak running

Every day is billed water and saturated ground

Soil washout undermines slabs and footings

What to know about leak detection

What is happening inside the property

How the next step is decided

What may change the work

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