Why Is My Garbage Disposal Leaking and How to Fix It?

Why Is My Garbage Disposal Leaking and How to Fix It?

Garbage disposals are one of the most beneficial kitchen appliances, but when it starts to leak, it becomes a nightmare. A leaky garbage disposal can be a minor inconvenience or a sign of a more serious problem. Whatever the case, you should not ignore it for too long. A timely repair or replacement can save you from costly repairs, property damage, and health concerns. In this blog, we will explore the reasons why your garbage disposal might be leaking and discuss some DIY fixes and when to call in a professional plumber.

Cracks or Holes

The garbage disposal unit is generally made of metal or plastic and can be cracked if something hard has been accidentally dropped inside. Alternatively, the continuous use over time might wear out the pipes, and holes can develop. Check for cracks or holes in the garbage disposal or the pipes below it. If the crack is minor, you may be able to repair it with epoxy. However, if the damage is only getting worse, it's best to replace the garbage disposal unit.

Loose Connections

If the garbage disposal is improperly installed or has loose parts, it can cause water to leak. Check for loose connections in the dishwasher hose, drainpipes, or the garbage disposal unit. Tighten any loose bolts or nuts and check if the leaks persist.

Worn-out Gaskets

The gaskets surrounding the garbage disposal blades can wear out over time and cause water to leak. Check for leaks under the sink, and inspect the gaskets. You can replace the gaskets by yourself, by following the manufacturer's instructions. If you are not handy with tools, consider calling in a professional plumber.

Jammed Disposal

If you try to grind something hard or fibrous, it can cause a jam in the garbage disposal and prevent proper functioning. When the water builds up behind the disposal, it might start to leak. Try to reset the disposal by pressing the reset button on the bottom or using an Allen wrench to turn the disposal blades. If that doesn't work, call in a plumber to unclog the disposal.

Damaged Flywheel Seal

Garbage disposals have a flywheel seal that prevents water from getting into the electric motor. However, if this seal is old or damaged, it can cause water to leak from the bottom of the garbage disposal. Inspect the flywheel seal, and if it looks damaged, call in a professional plumber to replace it.


In summary, leaking garbage disposal can create a mess and a headache for homeowners. Some of the causes of leaks are easy to fix, while others may require professional assistance. Knowing the reasons behind the leaks is the first step in deciding whether to attempt a DIY fix or to call in a professional plumber. Remember to check for cracks or holes, loose connections, worn-out gaskets, jammed disposal, or damaged flywheel seal. By taking a proactive approach, you can avoid costly repairs, property damage, and health hazards.