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Why Does My Drain Keep Gurgling?

April 5, 2022
 Santana Bros Plumbing

Water bubbling as it washes down a drain.

Does your drain keep making loud gurgling noises? Don’t worry, it’s probably not haunted, but you likely have a plumbing problem that needs to be addressed! Here are the most common causes of gurgling drains and what to do about it.


Damaged P-Trap

A P-trap is the curved pipe located underneath your sink. The P-trap creates a seal that prevents sewer gasses from entering your home. When a P-trap is damaged or badly blocked, it will cause your drain to gurgle. If the gurgling comes with an unpleasant, sewery odor, you probably need to have your P-trap replaced.


A Blockage in the Drain

Often, a loud gurgling sound coming from your drain indicates a blockage in the drain itself. This is because the blockage is causing air bubbles, which is what makes that gurgling sound. Try removing the blockage by using a plunger on the drain. If this doesn’t work, have your drains professionally cleaned by a plumber.


A Blockage in the Sewer Line

If multiple drains in your home are all gurgling, that might mean you have a blockage in the sewer line itself. This is often caused by broken pipes, tree-root intrusion, or non-flushable items that have been flushed down the toilet. Have a plumber inspect the sewer line. They may just need to clean the line to remove a blockage or the pipe may need to be replaced.

Whether you need your P-trap replaced, have a blocked drain, a problem with your sewer line, or any other plumbing issue, Santana Bros Plumbing is here to help! Our experienced plumbers prioritize high quality, efficient work and always put customer satisfaction first.


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Alexa Seleno
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