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Common Toilet Noises and What They Mean

Common Toilet Noises and What They Mean

To create an enjoyable bathroom experience, having a functional and quiet toilet is crucial, and Mr. Rooter Plumbing can help. If you have ever heard strange noises from your toilet, they can be both disturbing and worrying. Here we explore some common toilet noises and their meaning so you may identify potential issues and take appropriate actions for toilet repair or replacement.

Constant Running

One of the most annoying toilet sounds is constantly running water. If water continues to flow from your toilet when no flush has occurred in an extended period, this could indicate an issue with its fill valve regulating the water level in its tank and thus leading to wastage and an increase in your bill.

To address a constantly running toilet, start by inspecting its flapper valve. Ensure it is correctly aligned and provides a complete seal when not being used; if worn or damaged, it should be replaced; additionally, adjust water levels in the tank to prevent overfilling, which can contribute to continuous running.

Hissing Noise

A common toilet noise homeowners often hear is a hissing sound, usually when flushing their toilet and lasting several seconds or minutes afterward. This noise could indicate that your fill valve hasn't closed completely and water continues to enter your tank, creating the hissing sound and producing hissing sounds.

Examine the chain connecting the fill and flapper valves to stop hissing noises. Make sure the length of the chain is appropriate to allow the flapper valve to close after each flush fully; too tight or too loose chains may prevent proper sealing of the flapper valve, leading to hissing sounds from hissing valve seals preventing proper closure, leading to hissing noises; altering chain length can often solve this issue.

Your Toilet Is Making a Bubbling Noise

If your toilet emits a bubbling or gurgling noise when flushed, this could be a telltale sign of partial clogging or blockage in its drainage system. When flushing should occur normally, water should flow smoothly through its pipes without obstructions; otherwise, air bubbles form and create noise, which causes bubbling noises.

To address a bubbling noise, begin by using a plunger to try dislodging any clogs. Apply firm yet controlled pressure for best results; plunging may not always do the trick, so a plumbing snake or professional plumber should be called upon as a backup solution if plunging does not resolve your drain issue.


When flushing your toilet, you may hear an abrupt banging sound called a water hammer. This banging noise, often referred to as "water hammer," is typically caused by sudden changes in pipe pressure caused by rapid fill valve closure, creating shockwaves that send shockwaves along your pipe system, producing this banging noise when flushing your toilet.

To reduce water hammer and associated banging noise, install a water hammer arrestor - this device acts as a shock absorber that softens sudden pressure changes in your plumbing system. For best results, contact a professional plumber for help selecting and installing the appropriate arrestor for your toilet.

How Can I Prevent These Sounds in the Future?

Though it is impossible to prevent toilet noises completely, there are steps you can take to minimize their occurrence:

  • Maintain Your Toilet Properly: For optimal performance of your toilet, perform periodic checks of its fill valve, flapper valve, and other components to inspect for wear-and-tear wear or damage and promptly replace any worn parts as soon as necessary.
  • Water Pressure Regulation: Excessively high water pressure can contribute to toilet noises. Install a pressure-reducing valve (PRV) to regulate the water entering your home and avoid sudden pressure changes that lead to a water hammer. Doing this may prevent sudden fluctuations, reduce sudden changes that result in sudden pressure changes, and reduce the likelihood of water hammer.
  • Proper Toilet Usage: Raise awareness among household members about the importance of using their toilet appropriately, without flushing too much toilet paper or foreign objects that may clog it up, and disallowing chemical cleaners that may damage or corrode its components.
  • Regular Cleaning: Keep your toilet in tip-top condition by regularly cleaning it to remove mineral deposits and debris that could compromise its functionality. Use non-abrasive cleaners and brushes with non-abrasive bristles to maintain flushing mechanism functionality and avoid the build-up of deposits on its surfaces.
  • Professional Inspection: If the noises continue despite your efforts, seek assistance from a reliable plumber who can conduct a detailed inspection to diagnose any underlying issues and suggest possible solutions.

Mr. Rooter Plumbing

Mr. Rooter Plumbing understands the inconvenience of a noisy toilet, which is why our team of skilled and experienced plumbers is standing by to diagnose and address any related issues with your commode's noises. No matter the issue - be it a broken fill valve, misaligning flapper valve, stubborn clog, water hammer, or need for toilet replacement - our professionals possess the know-how and expertise to resolve it swiftly and reliably so your toilet operates smoothly and quietly. We guarantee prompt and dependable service so your toilet continues to function optimally and quietly. Trust Mr. Rooter Plumbing for all the expertise needed to address toilet noise concerns, creating a peaceful and functional bathroom environment. Contact us now and experience the difference between our top-tier plumbing services!


May 25,2023

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