Leak Detection · Water Loss Investigation

Pool Leak Detection & Forensic Water Loss Investigation

A wet ceiling does not identify the leak above it. Water can travel through a slab, along a pipe or behind a wall before it becomes visible. LossPoint traces unexplained water loss back toward its origin so the repair can address the failure rather than the stain.

Based in St. George’s, Grenada, Caribbean · Serving the Caribbean

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01

When water keeps returning

Rising water use, a pool losing level, or recurring damage after a ceiling or wall has been repaired all warrant a closer look. A pool shell, fitting, buried line, plumbing connection or building envelope may be involved. Similar-looking symptoms can come from different systems; opening finishes before narrowing the source risks unnecessary disruption and leaves the actual loss active.

LossPoint field team examining a hotel swimming pool during a water-loss investigation
LossPoint field photo · Pool water-loss investigationLossPoint field photograph illustrating this type of investigation; not a record of every finding described below.

02

Trace the path, test the source

We establish where the water appears, when it occurs and which systems could supply it. Testing is selected to answer that question—not applied as a fixed checklist. Readings and observations distinguish an active leak from old damage, and a plumbing failure from rainwater intrusion or condensation. The extent of an investigation depends on access, operating conditions and what can be safely isolated.

Measurements selected for the case

  • Moisture mapping and thermal imaging to define affected areas
  • Dye testing at suspected pool fittings, drains or penetrations
  • Camera inspection and plumbing isolation or pressure checks where appropriate

Buildings and facilities

Applicable to hotel pools and bathrooms, hospital and public-building plumbing, commercial and industrial water systems, and residential properties. The diagnostic question stays the same: where is water leaving the system, and how does it reach the visible damage?

A repair decision grounded in evidence

The findings identify the source—or the leading source supported by available evidence—and document the likely water path. They distinguish work needed at the origin from cosmetic restoration at the point of appearance. A follow-up check can then determine whether the intervention stopped the loss instead of simply concealing it.

Common questions about this problem

Is my pool leaking, or is it just evaporation?

In hot, windy Caribbean conditions evaporation can be significant, so a falling level alone does not prove a leak. The useful comparison is loss under controlled conditions: with and without circulation, against a reference such as a bucket test, and over enough days to see a pattern. Loss that clearly exceeds evaporation, or changes with equipment operation, points toward a shell, fitting or pipe path to investigate.

My pool always stops losing water at the same level. Is the shell cracked?

Not necessarily. A repeatable stopping level is a useful diagnostic reference: it helps define test conditions, but it does not locate the leak or prove a shell crack. Drain-line geometry, hydrostatic head and connected-system conditions can produce a stopping level without a shell defect at that elevation. Separating shell, fitting and connected-pipe loss requires controlled level observation, targeted dye testing and staged isolation by qualified personnel.

Does a ceiling stain mean a plumbing leak?

A stain shows where water appeared, not where it came from. Plumbing, roof or window intrusion, a blocked AC condensate line and surface condensation can all produce similar marks. Whether the stain is active, when it grows and which systems run above it help separate these paths. When no supply line explains it, a moisture investigation is often the better starting point.

Moisture & Humidity →

Pool water loss: a repeatable stopping level and a drain test

Observed condition

A suite pool lost water after filling to a depth of approximately 0.65 m. The level repeatedly stabilized around 0.40–0.41 m. During dye testing, draw was observed at the central port of the bottom drain even with its isolation valve closed.

Evidence and interpretation

The repeatable stopping level provides a useful reference for comparing loss paths. Dye movement warrants checking the drain’s actual isolation, sealing and connection: a closed valve position does not demonstrate effective isolation, and the dye response alone neither proves a buried pipe fracture nor rules out a shell fault.

Next decision / validation

Staged isolation and level monitoring should compare shell, fitting, pipe and operational loss. Each stage should establish which path is isolated and whether the water loss changes, so the repair decision follows the evidence. Follow-up testing and validation are required before a repair outcome can be confirmed.

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