Running your garbage disposal can cause water to back up into the other sink. This typically happens if there is a clog or blockage in the drain or pipe lines. If your garbage disposal water comes back up, it’s important to get your drain unclogged as soon as possible in order to avoid further buildup and potential odors. This article will go over how you can unclog the disposal yourself like a pro.

garbage disposal water comes back up

What to Do When Garbage Disposal Water Comes Back Up

Items You’ll Need

  • Sink plunger
  • Bucket
  • Adjustable wrench
  • Pliers
  • Plumber’s snake

Unblock the Garbage from the Sink

  1. You will have to fill the sink as opposite the disposal drain with water. The water should be about 3 or 4 inches high.
  2. You will have to plug in the garbage disposal drain. After that, you can set a sink plunger at the opposite drainage system. The sink plunger will be used in order to make a vacuum effect.
  3. After the set up, it is now time to plunge your sink. You’ll have to plunge your sink for some time until the blockage is removed.
  1. After this process, you can easily remove the plunger and switch off the garbage disposal drain.
  2. If you will see that there is still debris in the sink area or in the pipelines, then you can repeat the whole process once again in order to clear it out.
  3. You will have to clear all particles from the sink and the drainage system. You can place a bucket under the sink. You can turn on your tap in order to clear the remaining particles from the sink area through the pressure of running water.
  4. You can use hot water from the both ends in order to clear it properly and kill the germs.


You should not put your hands into the garbage disposal. You should also avoid the usage of the harmful chemicals and drain cleaners. The gas of the chemicals and cleaners are very dangerous for your health.

Bottom Line

You can easily remedy the issue of garbage disposal water comes back up by following the above guide. Although fixing this issue is rather easy, it’s best to take preventive measures to prevent this issue from arising in the first place.


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