If you’ve noticed water pooling around the base of your toilet, it is likely leaking. A leaking toilet leaking from the base can be frustrating and potentially costly, but it’s also a common issue that many homeowners face.

The most likely culprits are the drain line, wax ring, flange bolts, cracks, or water supply lines. You can replace a toilet’s wax ring or call a professional for the job. Leaks can lead to expensive water bills and damage, so it’s important to investigate and address the issue quickly.

Causes of a Leaky Toilet Base

According to the EPA, household leaks can account for more than 10,000 gallons of water wasted annually, and toilets are a common source of these leaks. There are several potential causes for a leaking toilet at the base:

Faulty Wax Ring

The wax ring between the toilet and the floor is crucial in preventing leaks. Over time, this wax ring can become brittle, crack, or dislodged, allowing water to seep out. Replacing the wax ring is often the first step in fixing a leaking toilet.

Loose Connection Bolts

Connection bolts, also called tee bolts, anchor the toilet to the floor. The base is covered by plastic domes. If these bolts become loose, the toilet can rock, breaking the wax seal and causing leaks.

Cracked Toilet Bowl

Toilet bowls are generally quite sturdy, but accidents can happen, and toilet bowls sometimes crack. Usually, the cracks are just on the surface, but if they go deep enough, they can lead to leaks at the base.

Condensation

Surprisingly, some toilet leaks are not caused by water escaping from inside the toilet but rather by condensation forming outside the tank or bowl. This moisture can run down the sides and pool on the floor.

Leaking Water Supply Line

The water supply line connecting to the toilet tank can also be a potential source of leaks. If this line is damaged or worn, water can seep out and pool around the toilet’s base.

Damaged Flange

The flange is the plastic or metal ring on which the toilet sits, anchored to the subfloor. If this becomes cracked or damaged, the toilet can rock and break the wax seal, leading to leaks.

Clogged Drain Line

A clogged drain line can cause water to back up, putting pressure on the wax ring at the toilet’s base. This pressure can break the seal and cause water to leak from the base. If your toilet is leaking and you also notice frequent clogs, it could be a sign of a clogged drain line. Clearing the drain line and replacing the wax ring can help resolve this issue.

How to Fix a Leaking Toilet Base

If you’ve determined that your toilet is leaking at the base, here are the steps to fix it:

Turn Off the Water Supply

First, locate the shut-off valve behind the toilet and turn it clockwise to shut off the water supply. Flush the toilet to empty the tank and bowl.

Remove the Toilet

Use a wrench to remove the nuts that secure the toilet to the floor. Lift the toilet straight up and off the floor, being careful not to damage the wax ring.

Inspect the Wax Ring

Examine the wax ring at the base of the toilet. If it’s dried out, cracked, or damaged, it needs to be replaced.

Replace the Wax Ring

Clean the toilet flange and the bottom of the toilet with a rag. Apply a new wax ring to the flange, making sure it’s centered.

Secure the Toilet

Carefully lower the toilet back onto the wax ring, aligning the bolt holes. Reinstall the nuts and washers, tightening them evenly until the toilet is secure.

Reconnect the Water Supply

Turn the shut-off valve counterclockwise to restore the water supply. Flush the toilet and check for any leaks.

Seal the Base

If there are any gaps between the toilet and the floor, use a silicone caulk to seal the base.

Test the Toilet

Let the toilet sit for 30 minutes, then check the base for any signs of leakage. If the leak has been fixed, you’re all set!

Water seeping from the toilet base is unsanitary. Wear gloves when working with toilets. When finished, thoroughly clean the work area with a disinfecting solution.

How to Prevent Toilet Leaking at the Base

Leaks can lead to water damage and mold growth, posing health risks. Regular maintenance, such as checking and tightening bolts and replacing the wax ring, can prevent leaks.

Here are some tips to help prevent toilet leaks:

• Regularly inspect the toilet base for any signs of water or damage.
• Check the connection bolts and tighten them if necessary.
• Replace the wax ring every time you remove the toilet for any reason.
• Ensure the toilet is properly secured to the floor and doesn’t rock back and forth.
• Look for any cracks or damage to the toilet bowl or tank.
• Address any condensation issues by improving ventilation or insulation.
• Regularly check the water supply line for any leaks or damage.
• Maintain a clear and unobstructed drain line to prevent clogs.

By staying on top of toilet maintenance, you can help prevent those pesky leaks and save yourself the hassle and expense of dealing with water damage later on.

Need Help Fixing Your Toilet?

We understand that sometimes there is a simple fix for things like fixing a toilet leak. Sometimes, however, fixing that leaky toilet base is more than a DIY project. Sometimes, a professional leaky toilet fixer is needed. That’s when we come in.

At TaskPro, our team of experienced plumbers is equipped to handle any toilet leaks or other plumbing issues you may be facing. Our goal is to execute a repair without taking shortcuts and correct any plumbing problems in a way that saves the customer (YOU!) money.

Don’t hesitate to reach out if you’re dealing with a leaking toilet, a toilet tank not filling or any other plumbing problem. We’re here to help!

FAQs

Why is the toilet leaking at the base?

Several common causes of a toilet leaking at the base include a faulty wax ring, loose connection bolts, a cracked toilet bowl, condensation, a leaking water supply line, a damaged flange, or a clogged drain line.

Can I fix leaking toilet myself?

In many cases, yes, you can fix a leaking toilet yourself. The steps involve:

• Turning off the water supply.
• Removing the toilet.
• Inspecting and replacing the wax ring.
• Securing the toilet.
• Reconnecting the water supply.
• Sealing the base.

However, if the issue is more complex, it’s best to call in a professional plumber.

Is a toilet leaking at the base an emergency?

A toilet leak at the base is not necessarily an emergency, but it should still be addressed promptly. Leaks can lead to water damage, mold growth, and high water bills, so it’s important to identify and fix the issue as soon as possible. If the leak is severe or causes significant water damage, it would be considered an emergency.