Got a Toilet Leak: Here’s How to Find the Possible Source

toilet leak

Got a Toilet Leak: Here’s How to Find the Possible Source

Toilet leaks can happen at any time, usually evident through a running toilet in your home. It could also be water that’s all over the floor. Repairs are necessary on either a major or minor level. In some extreme cases, the toilet will end up needing replacement altogether. 

Needless to say, it’s crucial to find the possible source of the leak right away to allow a plumber to diagnose your problem correctly. Luckily, you can do some things to determine the location of toilet leaks.

Read on to learn more about how to find the possible source of toilet leaks to address your plumbing problems right away.

You Can Find the Leak as Water Around the Bowl

Anytime there’s water that’s pooling around a toilet’s base, it’s a problem. If there’s a stench that’s essentially sewer gas, the wax ring seal is likely broken. Fixing it requires a full-on toilet replacement. 

The water around the toilet’s backside that isn’t coming from the tank means there’s a possible crack in the bowl. There are always water droplets forming around any damage, so you’ll probably find it with no problem. 

You Can Notice the Leak as Water under the Tank

The toilet tank is one of the last sources of a puddle of water, no matter how small. While seeing one out of nowhere can seem alarming, it’s not necessarily an emergency. Figuring out whether or not it’s serious shouldn’t be too harsh. 

Usually, water under the tank is from under the bolts, specifically from the rubber washers. These serve as an easy way for the bowl to hold the tanks. The water there can also be the manifestation of the tank having condensation. When water seeps from the tank and drops in one place, chances are high the tank is cracked. As long as a tank is damaged, you must replace it to use it again without issues. 

You Can See the Leak Showing Through Condensation

If a bathroom’s temperature is humid and warm while the tank’s water is cold, condensation will happen. Severe cases will end up with puddles forming all over the floor first. Down the line, it’s possible for the tank and walls alike to then become black and filled with mould. 

When groundwater is cold during wintertime, condensation is more likely to occur. In some cases, people solve the issue by wrapping the tank in a type of covering. Alternatively, they make way for the toilet area to have extra ventilation. Another key resolution involves having an anti-sweat valve installed right in the supply line of the toilet. That way, the temperature inside increases through hot water being fed from it.


Dealing with a toilet leak can be pretty tricky for any homeowner. It’s usually an indication of a bigger problem, so it is vital to figure out where the leak comes from. Keep an eye out for a crack on the toilet, which usually manifests through an odd cluster of water droplets in a certain area. Toilet leaks can show through condensation, water under the tank, or water around the bowl. 

Are you trying to find a plumber in Elanora Heights? Reach out to Plumd In Plumbing today! We offer The Northern Beaches expert plumbing services.

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