
Overflowing Toilet
Turn off the shutoff valve behind the toilet first, then call before the next flush sends water onto the floor again.
When this becomes an emergency
- Water rising toward the rim instead of going down after a flush
- Water spilling onto the bathroom floor with the tank still running
- The bowl filling back up on its own a few minutes after flushing
What a pro does
An overflowing toilet rarely comes from the toilet alone. A plumber checks the trap and the vent first, then works back toward the main line if a closet auger doesn't clear it, since a toilet that keeps backing up after clearing is often a sign the real clog sits further down the line. They'll also check the fill valve and float, because a toilet overflowing from the tank rather than the bowl points to a different problem entirely. Where the clog actually lives changes the whole approach to clearing it.
Frequently asked questions
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