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.

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
| Clue | What it can mean | Safe next step |
|---|---|---|
| Meter movement with no use | Leak/appliance fill clue | Document and isolate fixtures |
| Stain growing | Active moisture likely | Photograph and call pro |
| Toilet refills randomly | Tank leak likely | Use dye/check guide |
| Musty cabinet smell | Hidden moisture possible | Empty cabinet and inspect |