Common Reasons Why Your Toilet Might Have Plumbing Issues

Toilet plumbing is a necessary part of any bathroom. It is not very difficult to install. However, it is important to make sure that it is done correctly. Improper toilet plumbing installation and maintenance can lead to big issues down the road. 

If you do find yourself faced with bathroom plumbing issues, it can help to know the common causes to identify the problem. Here are some of the reasons why you might be having bathroom plumbing problems. 

1) Worn Flapper Valve 

The flapper valve is a rubber seal that sits over the hole at the bottom of the tank. When you flush the toilet, the flapper valve is supposed to open and allow water to flow from the tank into the bowl. However, over time the flapper valve can become worn and no longer seal properly. This can cause water to constantly leak from the tank, which can lead to a number of problems.

If your toilet is having issues where the bowl keeps refilling or the toilet won’t stop running, you may need to check the valve inside the tank. The valve is responsible for stopping the flow of water into the bowl once it is full, so if it is not working properly, it can cause these types of issues.

2) Loose Nuts and Bolts

Another cause of leaks can be loose connections. Over time, it’s normal for different pieces to come loose, especially on toilets. 

For example, the rubber lining can wear away and cause water to seep through. If the mounting nuts or supply tubes are loose, this could cause a leak. A plumber can check these areas to make sure they are properly sealed.

3) Condensation

If you notice that your water heater tank is sweating, this is called condensation. While it’s normal for the tank to sweat, it can still cause a leak. You may find a small pool of water on the floor, which is probably due to condensation.

The best way to deal with condensation is to put a drip pan under the tank. This will catch any water drips and prevent them from leaking onto the floor.

4) Broken Tank

If you have a broken tank, it can cause problems with your toilet, bathroom floor, and utility bills. The valve will continue to allow water to fill up the tank, but with a crack, it’s likely that the tank will never be completely full. 

This can cause your toilet to run on its own. If this is the cause of your toilet problems, you may need to install a new appliance.

5) Clogging in the Sewer Line

If your toilet is clogged and you cannot fix it, it may be a sign of a bigger problem with your sewer line. This could be caused by foreign objects in your pipes, broken pipes, tree roots, or shifting soil. 

If more than one appliance in your home is backing up with water, it is likely that there is a problem with your sewer line. 


There are a number of potential toilet plumbing problems that can arise. These include clogs, leaks, and overflows. Pinpointing the cause along with regular maintenance and inspection can prevent toilet plumbing problems. It is important to take care of the problem promptly to avoid further damage.

Wooten Knockout Plumbing can help you with any pressing toilet plumbing issues. We are the best plumbers in Luisa that will fix your toilet plumbing issues. Get in touch with us today to learn how.


Follow Us