Drains & Pipes

How to Tell If You Have a Plumbing Leak: Visible Clues and Meter Checks

Leak clues include meter movement with fixtures off, stains, soft flooring, running toilets, pressure changes, odors, and unexplained water use.

Plumbing scene for How to Tell If You Have a Plumbing Leak: Visible Clues and Meter Checks

What to know about How to Tell If You Have a Plumbing Leak: Visible Clues and Meter Checks

You may have a plumbing leak if the meter moves when fixtures are off, a toilet refills by itself, stains grow, flooring softens, cabinets smell musty, pressure changes, or the water bill rises without a clear reason.

Signs and safe next steps

Signs and safe next steps
ClueWhat it can meanSafe next step
Meter movement with no useLeak/appliance fill clueDocument and isolate fixtures
Stain growingActive moisture likelyPhotograph and call pro
Toilet refills randomlyTank leak likelyUse dye/check guide
Musty cabinet smellHidden moisture possibleEmpty cabinet and inspect

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