Skip to content

Service

Underground leak detection

Underground is where guessing gets expensive. A pool line can run twenty feet under the deck between the equipment pad and the pool and lose water at one joint, and the only cheap way to deal with that is to know which joint before anything is opened. We locate leaks in buried pool lines throughout coastal North Carolina.

Finding something you cannot see

The buried lines between the pump and the pool are isolated and pressurized so the escape point makes a consistent, followable noise. Acoustic equipment narrows it along the run, and the surface above it is marked.

Two steps are doing different work here and it is worth separating them. Pressure isolation establishes WHICH buried run is losing. Acoustic locating establishes WHERE along that run it is escaping. Isolation without locating leaves you digging a whole line; locating without isolation means listening to pipes that were never the problem.

Underground, for us, means the pool’s own plumbing: the lines that run from the pump to the pool, and the plumbing beneath the pool itself, down to the main drain.

A pool with the deck edge excavated to reach the return lines, soil piled beside the opening, a work canopy over the dig and a skimmer housing in the foreground.

Signs the loss is underground

Soft or sinking ground
Pavers settling, or a hollow-sounding patch of deck between the equipment pad and the pool.
Damp with no rain
A persistently wet area near the equipment pad or along the run to the pool when it has not rained.
Loss only when running
Water dropping while the pump runs and holding when it stops points at the pressure side.
Loss only when off
The reverse pattern points somewhere else entirely. Both are useful.

Tell us what it’s doing.

Describe what you are seeing and we will tell you what it sounds like and what a visit would involve. If it is dropping fast, call. You will reach a three-person, owner-led team.

FAQ

Questions people ask

See all frequently asked questions
Can you find a line without digging?

Locating it, yes. That is the point of the equipment. Reaching it to repair it means opening the ground at that spot, which is why the locating matters.

How accurate is the location?

Accurate enough to open a small, specific area rather than a trench. Depth, surface type and background noise all affect it, and we will tell you if a site is difficult.

Which lines does this cover?

The pool’s own plumbing: the lines from the pump to the pool, and the plumbing beneath the pool, including the main drain.

How is this different from a standard pool leak detection visit?

It is the same visit when the loss turns out to be underground. This page exists because buried pool lines are the part people most want to understand before booking — they are the case where guessing costs the most.

Will you have to dig to find it?

Not to find it. Locating is done from the surface and the point is marked. Digging belongs to the repair, and the whole reason for locating first is that the opening can then be small and in the right place.

Call (919) 633-4975