Why Does My Kitchen Sink Gurgle?

Your sink could be gurgling for a variety of reasons, but the most typical cause is a clogged drain. If you don’t have a garbage disposal, blockages might cause water to strain to get through, sending back bubbles. The gurgling sound occurs as the bubbles migrate into the open space in your vent.

However, gurgling could also be caused by other factors. A poorly ventilated drain, a damaged pipe, or a clogged vent pipe can cause loud gurgling and future plumbing problems, requiring sink repair.

If this problem is not resolved, it can cause significant damage to your home’s plumbing system.

Reasons for Kitchen Sink Gurgling

Drainage Obstruction

A gurgling sound emanating from your kitchen sink could indicate a blockage in the drain. This is common when water collects over time and silt accumulates.

Why Does My Kitchen Sink Gurgle?

If this occurs, the plumber must remove the impediment to allow water to flow freely down the pipe.

A Clog Or Improper Installation

Another common cause of a gurgling kitchen sink is an incorrect installation or a clog in the drainage system. If this problem is not resolved, it can cause floods and possibly structural damage.

The Airflow Down The Drain Pipe Is Inadequate

If there is insufficient airflow down the drainpipe, water will not be able to get where it needs to go and will begin to flow back up into your sink instead of draining properly. Defective drains, fractured pipes, or clogged fittings/hoses/tubes can all contribute to this issue.

Water can’t get out as resistance increases when trying to get water out of an impediment (such as a clogged drain), enough pressure is built that liquid begins to seep out slowly rather than gushing out fast as it typically would.

How To Repair Your Drain And Sewer Lines?

The steps listed below will assist you in repairing your drain and sewer lines before more damage occurs.

Step 1: Determine The Source Of The Gurgle.

If the sink gurgles when in use, the problem may be restricted to that sink and the vent or drain line that extends from it. However, if you hear a sound coming from the sink when you flush a toilet or empty the tub, or even from another bathroom, it indicates that the problem is with the main vent or somewhere else.

Drain gurgling is usually a sign of a greater issue. Gurgling at every drain in your property indicates a severe problem that requires immediate attention.

Step 2: Clear The Vent And Drain Pipe With A Snake Or Auger.

If you have the necessary tools and skills to complete this task on your own, go ahead and do so. If you believe the vent is clogged, consider hosting the vents up on the roof to eliminate any debris that has gathered. You can also use a sewer auger from the roof vent entrance and push it all the way down to the obstruction.

If you believe the clog is in your drain pipe, remove the drain plate and use a snake to push the blockage through. If your home has a small drain on the outside, you can try placing the snake there and moving it through the sewage line out to the street. If not done correctly, this can be a very time-consuming and complicated task.

Step 3: Speak with a Professional

Please keep in mind that all of these options necessitate the proper tools, education, and experience. If you’re wondering, “Why is my drain gurgling?” and aren’t sure what to do next, call a professional plumbing service.

Attempting to unclog a drain without the necessary tools and knowledge could aggravate the situation, inflicting substantial damage to the home’s plumbing system and perhaps voiding a new-home warranty or insurance coverage.

If you don’t know why your drain is gurgling, contact a skilled plumber.

Related Questions

Is a gurgling sink an issue?

A gurgling sink may appear to be a little irritating, but if not addressed, it can turn into a significant plumbing issue. Because the gurgling is caused by air seeping through an existing blockage, additional debris may become stuck in this blockage as well.

Why does the sink make a gurgling sound when the water drains out?

The vent prevents a vacuum from forming when the sink is full of water. If the drain isn’t correctly vented, air will fill the vacuum generated by the water, resulting in the gurgling sound, which is caused by air rushing past the sink’s P-trap.


If your kitchen sink is gurgling, it could be because the pipe connecting it to the water supply is loose or damaged. Water may seep and mingle with other waste materials before eventually reaching the drain as a result of this.

The greatest recommendation is to maintain kitchen skinks clean at all times to avoid residue buildup in the drain. Pour some hot water into the pipes here and there to force the oil and grease deeper into the draining system. By doing so, you will avoid having to deal with the majority of plumbing issues.