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Residential plumbing guide

Leak Detection guidance for Michigan homes

Practical checks for visible and hidden water leaks before damage spreads.

Call to confirm current coverage, provider credentials, pricing and arrival timing.

Visual guide to common signs of hidden residential water leaks

Warning signs to describe

  • The water meter moves while all fixtures and appliances are off.
  • A stain, damp area or musty odor grows without an obvious source.
  • Water pressure drops suddenly across several fixtures.
  • A water bill changes sharply without a matching change in use.

Safe first steps

  1. Turn off fixtures and water-using appliances and observe the meter without altering it.
  2. Photograph visible moisture and note whether it changes during fixture use.
  3. Shut off the affected branch or main supply if water is actively damaging the building.
  4. Avoid opening walls or floors until the likely source has been narrowed down.

Leak Detection questions

Can the meter confirm a hidden leak?

Continued meter movement while all known water uses are off is a useful warning sign, though it does not identify the exact location.

Do all hidden leaks require opening a wall?

No. Visual inspection, moisture readings, pressure tests and other methods can narrow the search before selective access is considered.

When is a leak an emergency?

Treat active flooding, rapidly spreading ceiling moisture, electrical exposure or loss of control at a shutoff as urgent.

Related residential guides

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