Why is toilet paper coming out of the outside drain?

Author: Dewayne Lockman PhD  |  Last update: Thursday, October 30, 2025

When a blockage occurs in a sewer drain, the toilet paper will generally float to the top of the water column. Therefore, when you add more wastewater into the drain, say from a shower, it will cause the toilet paper to rise further in the drain until it eventually overflows onto the ground around the drain.

How to fix outside drain overflowing toilet paper?

Outside drains can be unclogged by using a drainage rod and a quality pressure hose to shift the debris and spray the remaining particles through the drain. This will remove the blockage and promote the return of water flow.

Why is there toilet paper coming out of the outside drain?

If connected to municipal sewer line, blockage is often tree roots catching toilet paper. If old pipes, especially cast iron, they can narrow indide diameter causing blockages. Sounds like it needs a proper drain line treatment. If on a septic tank system, thats a different treatment altogether.

Why is toilet waste coming out of the drain?

Clogged Drains: A blockage in the main sewer line or in individual drain lines can cause sewage to back up into fixtures. Common causes of clogs include hair, grease, soap buildup, and foreign objects.

How do you dissolve toilet paper clogs in a sewer line?

Epsom salt helps break down toilet paper stuck in the sewer line. Pour one to two cups of Epsom salt into the toilet bowl. Add warm (not boiling) water. Allow it to sit for at least 30 minutes or even overnight.

Toilet paper coming up from basement drain!

Will Drano dissolve toilet paper clog?

The only form of Drano® product recommended for use in a slow toilet is Drano® Max Build-Up Remover. When used according to label directions, the microorganisms in this product will break down toilet paper and organic matter in pipes, which can slow water flow. (This product will NOT open a completely clogged toilet.)

How can I unclog my main sewer line?

Your step-by-step guide: How to clear a main sewer line clog
  1. Step 1: Loosen the cap on the drain pipe. ...
  2. Step 2: Open the cap and let the buildup drain out. ...
  3. Step 3: Feed the auger cable into the drain pipe. ...
  4. Step 4: Run the auger until the clog is clear—and beyond. ...
  5. Step 5: Hose down the pipe and auger cable.

How to unblock an outside toilet drain?

You'll need boiling water, a cup, bicarbonate of soda and some vinegar. Take the drain cover off and pour the boiling water down the drain. Add a cup of bicarb followed by a cup of vinegar, it should begin to fizz and bubble up. Replace the drain cover and repeat every couple of hours until the blockage is cleared.

How much does it cost to fix a clogged sewer line?

You will likely pay around $350 to $650 to have a plumber unclog a main sewer line unless you have complications like serious damage to the line.

Why is toilet paper coming up my shower drain?

Your home's sewer line is the main connection between your drains and the overall sewage system. The most common cause of your toilet backing up into your shower is a sewer line clog.

How do you get toilet paper out of the drain?

Here's how:
  1. Use a wire coat hanger. Straighten out a wire coat hanger entirely until it is straight like a wire. ...
  2. Pour in boiling water. ...
  3. Try a drain snake. ...
  4. Pour in baking soda. ...
  5. Use drain cleaner gel. ...
  6. Flush repeatedly with dish soap. ...
  7. Compress air into the toilet. ...
  8. Try forcing water pressure.

Why does my outside sewer drain keep blocking?

Outside kitchen drains often become blocked by mud, dust, moss and other particles that fall into the drain. The process for unblocking a dirty outside drain differs from an inside drain.

Can too much toilet paper clog a sewer line?

Understanding Why Toilet Paper Can Cause Clogs

Excessive use: It's easy to go overboard and pull off a hefty chunk of paper, but using too much can cause a real sewer line bottleneck.

What drain cleaner will dissolve toilet paper?

The Santeen Sulfuric Acid Drain Opener proved to be the most potent among all the chemical drain cleaners we tested, effectively dissolving 80% of the hair, 80% of the organic matter, 40% of the grease and 76% of the paper products.

What is the best drain unblocker for outside drains?

After your drain is mostly free of water, simply pour around half a cup of soda crystals or caustic soda into the drain followed by boiling water. Be very careful when using caustic soda because it can be extremely dangerous.

Does homeowners insurance cover clogged sewer lines?

If the part of the line that is on your property is damaged by something sudden and unexpected, it's usually covered. If there is a sewage backup or the damage is due to a chronic issue, you will likely have to pay out of pocket to repair or replace the line.

Can Drano unclog a sewer line?

No, Drano® is not recommended to clear a clogged sewer line. Bottle unclogging solutions are designed for minor clogs and are not strong enough to break up more extensive sewer line blockages.

How do I know if my sewer line is clogged?

10 Signs Your Sewer Line Is Clogged
  1. Multiple Fixtures Are Clogged. ...
  2. Flushing the Toilet Causes Water to Come Up Elsewhere. ...
  3. Water Draining From Your Washing Machine Causes an Overflow in Other Locations. ...
  4. Drainage at the Cleanout. ...
  5. Slow-Draining Sinks or Toilets. ...
  6. Frequent Plunging. ...
  7. Bubbles in Your Toilet Water. ...
  8. Dark Water.

How do you unclog an outdoor underground drain pipe?

How to unblock your outside drain
  1. Use a drain snake. ...
  2. Use a drain bladder/ball bag. ...
  3. Hydro jetting. ...
  4. Water jetting. ...
  5. Use a Picote milling machine. ...
  6. Use baking soda & vinegar.

How to tell if an outside drain is blocked?

This blog will point out the key signs to look out for before discussing the steps to take when you think your drainage system is clogged.
  1. Slow Drainage. ...
  2. Unpleasant Smells and Odours. ...
  3. Gurgling Sounds Coming from Drains and Plug Holes. ...
  4. Raised Water Levels.

What can I put down an outside drain to unblock it?

You can start by using the same methods you'd try for clearing an inside drain blockage.
  1. Pour boiling water down the drain.
  2. Add a cup of bicarbonate of soda.
  3. Now add a cup of vinegar and watch it start to fizz and froth.
  4. Replace the drain cover loosely and let it work its magic for a few hours.

How long does it take a plumber to unclog a main sewer line?

Depending on the severity of the problem, your sewer line could take anywhere from a half hour to 5 hours to be cleaned.

How to tell if the main sewer line is broken?

The Top 10 Most Common Signs of Broken Sewer Lines
  1. Sewer Smell. Usually, one of the first signs of a sewer line is a bad odor. ...
  2. Gurgling Toilet. ...
  3. Pests in Your Home. ...
  4. Slow Drains. ...
  5. Sewage Backup in Your Toilet or Tub. ...
  6. Mold or Mildew On Your Ceilings or Walls. ...
  7. Cracks in Your Walls. ...
  8. Unusually Green Patches on Your Lawn.

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