Pool Leak Detection

Finding the leak is a diagnostic process, not a guess. Every visit runs multiple independent tests and ends with written documentation of what was found and how it was confirmed.

(954) 290-5177 -- Broward (561) 325-2678 -- Palm Beach
Mon-Fri 8am-5pm EST - Sandra answers - Same-week scheduling available
4.9 Stars / 149 Google Reviews · BBB A+ · Palm Beach Community Choice Award 2025 · Angi 5.0 · HomeAdvisor 4.9 · Licensed CPC1457277

A pool that loses more water than evaporation explains has a leak somewhere, and "somewhere" is the entire problem. It can be the shell, a fitting, the skimmer throat, a light niche, the equipment pad, or an underground pipe running beneath a deck or patio. Guessing is expensive, because the wrong guess gets paid for in concrete.

Leak and Subsurface Locators approaches every pool as a diagnostic problem. Each visit runs a sequence of independent tests, and a finding only counts once more than one method agrees on it. That standard is the difference between knowing where a leak is and believing where it might be.

What Happens on a Detection Visit

  1. Baseline the loss. Confirm actual water loss against expected evaporation, so the number being chased is real.
  2. Isolate the systems. Determine whether loss continues with the equipment off, which separates plumbing leaks from shell leaks early.
  3. Pressure test each line individually. Every plumbing run is isolated through a custom-built manifold and tested on its own, not as a group.
  4. Locate before listening. Underground plumbing is electronically mapped so acoustic work targets the actual pipe path.
  5. Acoustic confirmation. Hydrophone inspection of fittings and ground microphone listening along the located line.
  6. Escalate when needed. Trace gas for breaks that acoustics cannot pinpoint, particularly under thick concrete or in high ambient noise.
  7. Document. Written report and photos of every finding.

The Diagnostic Tool Stack

Acoustic Listening

Hydrophone inspection of every fitting, plus ground microphone listening along mapped underground plumbing.

Pressure Testing

Each line isolated and tested individually through a custom manifold, with multiple verified runs.

Dye Testing

Visual confirmation at skimmers, returns, light niches, and any suspected crack in the shell.

Electronic Pipe Locating

Underground plumbing paths mapped before any acoustic work or excavation begins.

Trace Gas

Hydrogen-nitrogen or helium detection for breaks acoustic methods cannot isolate. Few regional companies carry this.

Written Documentation

Every visit produces a written report with photo evidence of all findings.

Detection and Repair Under One License

Leak and Subsurface Locators is licensed as a Florida Pool Contractor (CPC1457277) and performs the repair as well as the detection. That matters for a practical reason: when detection and repair are split between two companies, the diagnosis gets re-litigated, and the homeowner sits in the middle of it. Doing both means the company that found the leak is accountable for fixing it.

Where to Go Next

Every Question on This Topic

Every question answered on this topic, 147 in total.

Are there cheaper alternatives to professional pool leak detection? Can a cheap pool leak test miss the real problem? Can a pool leak be hidden during a home showing? Can a pool leak damage my homes foundation? Can a pool leak get worse if I ignore it? Can a pool skimmer cause a leak? Can a small crack in my pool cause a leak? Can I get a free estimate for pool leak detection? Can I send photos or a video first to get a rough price range? Can I verify a Florida pool contractor license online? Can pool leak detection tell me where the leak is coming from? Can you check if my spa is leaking into the pool? Can you find a broken pipe under my pool deck without digging? Can you find a leak if the pool is still full of water? Can you find a leak under my pool deck? Can you find a pool leak without draining the pool? Can you find more than one pool leak during the same visit? Can you help document a pool leak for a property manager? 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Schedule Pool Leak Detection

Licensed CPC1457277. Full diagnostic tool stack. Written documentation on every visit.

Frequently Asked Questions

How do I know if my pool is actually leaking?

Run a bucket test for 24 hours. Set a bucket of pool water on a step so the inside and outside water levels match, mark both, and compare after a day. If the pool drops more than the bucket, the loss is beyond evaporation and worth investigating.

Do you find the leak on the first visit?

In most cases yes. The diagnostic sequence is designed to be completed in one visit. Difficult underground breaks occasionally require a return with trace gas, which is discussed before any additional work is scheduled.

Do you repair the leak or only locate it?

Both. Leak and Subsurface Locators holds Florida Pool Contractor License CPC1457277 and performs repairs, so the company that diagnosed the leak is the one accountable for the fix.

What areas do you cover?

Palm Beach, Broward, Martin, St. Lucie and Indian River Counties. Call Sandra to confirm scheduling for a specific city.