March 06,2024

How to Stop a Toilet from Overflowing

If there’s one plumbing problem no one wishes to experience, it is an overflowing toilet. But it happens anyway. An overflowing toilet can cause an embarrassing mess if you don’t stop it quickly. Fortunately, there are simple things you can do to stop a toilet from overflowing.

Here at Mr. Rooter Plumbing, we’ve fixed a wide range of toilet issues, including clogs, leaks, running toilets, flushing issues, and many more. We’ve seen it all and fixed it all when it comes to toilet problems. If you’re looking for a trusted plumbing service specializing in toilet repair and toilet replacement, call Mr. Rooter Plumbing. In this guide, our skilled and experienced plumbers detail DIY steps for stopping an overflowing toilet.

Turn Off the Water Supply Near the Toilet

When you have an overflowing toilet, the first thing to do is to turn off the water supply. Look for a knob or handle near the base of the toilet, on the wall behind it, or under the floor. Turn it clockwise to shut off the water supply.

Backup Plan: Close the Flapper

If you can't find the shut-off valve or it's stuck, lift the lid of the toilet tank and locate the flapper. This is the large rubber seal at the bottom of the tank. Push down firmly on the flapper to close it and stop the water from entering the bowl.

Use A Toilet Plumber to Clear the Clog

Once you’ve cut the water supply, use a flange plunger, which has a wider base specifically designed for toilets. Make sure the plunger covers the toilet bowl opening completely and plunge firmly with forceful pushes and pulls. This can dislodge the clog and restore normal flow.

Plunging Doesn’t Clear the Clog? Try A Toilet Auger

If plunging doesn't work, consider using a toilet auger, which is a long, flexible metal cable that can reach deeper into the drain to break up the clog. Feed the auger slowly down the toilet bowl opening, turning the handle at the end to rotate the cable and break up the blockage.


Caution: Be careful not to push the cable too forcefully, as it could damage the pipes.

If These Steps Do Not Help, Call A Nearby Plumber

If you've tried these steps and the toilet remains clogged, it's best to call a professional plumbing service for help. They have the expertise and tools to diagnose the problem and fix it. Professional plumbers can address the root cause of the problem and prevent future clogging.

Overflowing Toilets: What Not to Do

  • Do not panic: We get it—an overflowing toilet is a stressful situation, and it’s easy for anyone to panic. Try to stay calm and take the right steps to resolve the problem.
  • Do not flush again: This will only worsen the situation and cause more water to overflow.
  • Do not use harsh chemicals: While chemical drain cleaners may seem like a quick fix for a clogged toilet, they can damage the drain pipes and are not always effective at clearing clogs.
  • Don't Poke or Prod with Objects: Shoving random objects like plungers, coat hangers, or screwdrivers into the toilet can further damage the clog and potentially even puncture the pipes. This can create a more complex and expensive problem to fix.
  • Don't Attempt Risky DIY Fixes: If you're not comfortable with plumbing tasks or lack the necessary tools to do the job, avoid attempting complex toilet repairs yourself. This could lead to further damage or even injuries. If you need help, reach out to a reputable plumbing repair service that specializes in toilet repair.

Call Mr. Rooter Plumbing for Help

Mr. Rooter Plumbing offers professional toilet repair and toilet replacement services that you can count on when you need them. If your toilet is overflowing and you need professional help, call the experienced plumbers at Mr. Rooter Plumbing.

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