Guide · 4 steps · ~2 min

Silent toilet leak cost.

Common. Large enough to matter. Testable tonight.

Analyze my bill free

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  1. Step 1

    Dye-test every toilet

    Color in the bowl without flushing = leak path. Do every bathroom — one bad flapper is enough.

  2. Step 2

    Size the waste

    EPA-scale leak waste is large enough to show up in weekly gallons. A running toilet is often the #1 silent indoor leak.

  3. Step 3

    Fix before you upgrade

    Flapper/fill valve first. WaterSense toilets matter later — proof mode first.

    Toilet fix vs replace
  4. Step 4

    Confirm on the meter

    Repeat the overnight no-use test after the fix.

    Overnight meter test

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