Why Does My Toilet Flush By Itself?
Stephanie Carwell - 06/16/2026
Have you ever been sitting quietly in your home when you suddenly hear your toilet refill even though nobody has used it? Many homeowners describe this phenomenon as a toilet that "flushes itself" or "ghost flushing." While it may seem strange, the cause is usually a plumbing issue inside the toilet tank that allows water to slowly leak from the tank into the bowl. When enough water escapes, the fill valve activates and refills the tank. At Freedom Plumbing, Inc., we regularly help homeowners throughout Lexington, Columbia, Irmo, and the surrounding Midlands diagnose toilets that run, refill, or appear to flush on their own. Here's what causes ghost flushing and why it should not be ignored.
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