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Delmarva Plumbers
Plumbing · Delmarva
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Water Leak Repair

A slow leak in a crawlspace house does its damage out of sight, so the moment the pump or the meter says water is moving with nothing running, it is worth tracking down.

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When this becomes an emergency

What a pro does

A hidden leak on the Eastern Shore usually ends up in the crawlspace, which is exactly why it stays hidden. There's no basement floor to puddle on and no ceiling stain downstairs to give it away, so water follows a joist, drips onto sandy ground 2 feet below the joists and announces itself as a musty smell weeks later. Detection depends on what feeds the house. On town water in Dover or Easton the plumber starts at the meter, watching for movement with everything shut. On a well there's no meter to watch, so the pressure switch becomes the instrument: a pump that starts 2 or 3 times an hour with the house empty is losing water somewhere, and isolating one branch at a time narrows down where. After that it's moisture readings and a walk through the likely spots, which on a shore house takes in the exterior fittings, since salt air chews through hose bibs and outdoor shower valves faster than anything indoors ever wears out. The fix depends entirely on what failed, and confirming the crawlspace has actually dried is part of finishing the job.

Frequently asked questions

The well does the work a meter would. A pressure tank holds a fixed volume, and with everything in the house off the pump ought to stay quiet for hours. If it starts, water is going somewhere. Sections of the supply then get isolated to see which one keeps the pump running.
Because nothing about it reaches eye level. On a slab or over a basement, a leak eventually marks a floor or a ceiling. Under a raised floor, water lands on ground already close to the water table, soaks straight in and leaves humidity behind, so the first symptom is a smell or a sagging batt of insulation rather than a stain.
It shortens the life of anything exposed. Hose bibs, outdoor shower valves and the unions on an outside line corrode from the surface inward when they take salt aerosol season after season, and that is a common source of the slow drip running behind a beach-house wall. Brass holds up better than plated steel, though nothing near the ocean is immune.
A slow leak in an empty house runs the entire time nobody is there, so reopening is the moment to look. Plumbers doing spring startups on rental property generally pressurize the system and hold it, watching for a drop before any fixture gets used, then walk the crawlspace and the outside lines. A pressure test that won't hold is the clearest signal that something opened up over the winter.

Water Leak Repair?

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