Housekeeping · Water meter check

Check for hidden leaks using a water meter

Compare the meter reading before and after two hours with no household water use to screen for leaks.

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US EPA WaterSense suggests checking whether a water meter changes while no water is being used. Do not open sealed utility equipment or enter restricted meter rooms; ask building management about shared meters. A change is a clue, not proof of a leak's location.

Your try-it-at-home checklist

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Confirm the meter serves only your home using bills or building management records.
Record the visible reading by photo or note without opening seals or restricted covers.
For two hours, stop taps, washing machines, dishwashers, automatic irrigation and all other water use.
Read the meter again, using the same units and digit positions.
If the number changed, first rule out any automatic use, then consider a fixture or pipe leak.
Do not dismantle meters or pipes; ask building management or a qualified plumber to investigate.

Your try-it-at-home checklist

Further reading

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