What Causes Toilet Leak? A toilet is one of the most trustworthy and used fixtures in a household. Though it is the most used fixture still it is the least maintained fixture even if it is cleaned regularly after a few days.

Although it works throughout the year but when it stops working due to any reason then you cannot ignore it. Toilet leaks are one of the most common problems experienced at some time by almost every homeowner.

These leaks can damage the walls or floor of the bathroom due to the pooling of water or some internal problem which can increase your damage repair bill if not attended to as soon as possible.

Toilet leaks are usually considered a small issue and ignored for the time being but as time passes it becomes a costly affair to repair them. They can damage the tiles as well as the subfloor of the bathroom along with increasing your water bills.

You can try to fix these leaks well in time if can know the exact source of the problem.

Leaks can develop in a toilet externally as well as internally. Water pooled in the bathroom due to external leaks in the toilet can wet your feet as well as damage its floor whereas internal leaks can be more dangerous for the entire structure of your house.

Some of the common causes of toilet leaks are listed in this write-up to help you recognize the problem in your toilet and fix it as soon as possible.

What Causes Toilet Leak?

Crack on the bowl or tank:

Cracks usually develop on the tank or bowl of the toilet with time even if it is installed as the last fixture in a household. Sometimes a slight crack in the bowl or tank can become a severe problem with time.

Condensation on the bowl:

The water seen on your bowl can also be due to condensation as well as some leaks in the toilet. You can see water dripping on your toilet. It can be due to condensation because of the high level of humidity in the bathroom especially after having a shower.

But you need not worry much in this regard if the amount of condensation water is very small.

Worn out or loose seal at the base:

Sometimes water pools around the base of the toilet. It can be caused due to leaks in the toilet due to worn-out or loose seals that connect the floor of your bathroom with your toilet.

Rust in pipes:

With time the pipes supplying water to your toilet start rusting due to various reasons. If the pipes around your toilet get rusted then they can crack and start leaking in the bathroom.

Damaged flapper:

If the flapper that blocks water in the tank of the toilet is damaged then it can cause an internal leak in the toilet. When this flapper wears out with time, water leaks continuously in the bowl of the toilet.

Wrongly adjusted assembly of the flush valve:

If your toilet is continuously making a dripping noise or runs constantly then it can be due to an internal leak in the toilet. It can be due to some problem in the assembly of the flush valve. In this situation, the water enters the overflow valve of your toilet tank and starts filling up the tank constantly.

Worn out or loose connection between bowl and tank:

A two-piece toilet bowl and tanks are connected with the help of various nuts, bolts, and gaskets. The toilet will start leaking if any of these parts get worn-out or loose with time.

What Causes Toilet Leak? – Conclusion

So, if you experience any of the symptoms discussed in this write-up in your toilet then you must try to take care of them as soon as possible to avoid waste of a lot of water as well as damage to the structure of your building.

If you could not recognize the cause of toilet leaks but are worried due to increasing water bills then you must call a professional plumbing service nearby you to diagnose the problem and fix it at the earliest.

Though some homeowners try to fix leaks in the toilet themselves it is better to hire a professional plumber to get a permanent solution to your problem on the basis of their experience and expertise.