Why is My Sink Leaking?

After reading the title, we can guarantee that all of us have a story involving the kitchen sink that we would like to forget. Why is my sink dripping or why is my sink leaking underneath are common questions in an adult’s life. While the answers are straightforward, they involve getting your hands dirty and wet. Even if you have a top-end house that is fitted with the best materials and equipment, a leaking sink is right around the corner. Before we discuss how to fix a leaking sink, let us focus our attention on something else.

Why is My Sink Leaking?

It does not matter if it is a kitchen sink or a washroom sink as the reasons for the leak are more or less the same.

1. Water Supply Problems

At times, the problem is not the sink itself but with the water supply connections. Therefore, before you try your hand at the sink, check the water pipes.

2. Faulty O-Ring

It is a small disc that is responsible for keeping the faucet in its place. Over time, it may get loose or wear out and lead to leaks.

3. High Water Pressure

Having high water pressure is a blessing. Imagine washing the dishes or taking a shower under such pressure. It would undoubtedly feel good, but we cannot say the same for the pipes. If the water pressure is too high, it may damage the pipes or cause them to burst altogether.

4. Faucet

There are chances that the reason why your kitchen sink is leaking is because of a faulty faucet. A leaky or faulty faucet is something that is hard to miss.

5. Worn Out Washers

Over time, the washer can wear out, preventing them from keeping the parts in their place. Resultantly, water will start to leak.

There are countless other reasons why my kitchen sink is leaking. It is impossible to list each reason. Hence, it is better to focus on the fixes.

6. Clogged or damaged drain pipe

A clogged or damaged drain pipe can cause water to leak under the sink. A plunge or use a drain cleaner to remove any blockages. If the pipe is damaged, it may need to be replaced.

7. Improper installation

If the sink was not installed correctly, it can result in leaks. In this case, you may need to consult a professional plumber to assess the installation and make any necessary adjustments or repairs.

How to Fix a Leaking Sink

There are several things that you can do to fix a leaking sink. You can apply these fixes to a kitchen or any other type of sink. Before you start, we would like to remind you that we are not liable if anything goes wrong even though these fixes are straightforward. Lastly, before applying the fix, make sure that you have diagnosed the issue correctly.

1. Replace the Washer

If the leak is because of a worn-out washer, replace them right away. They are quite easy to fix and require little to no professional help. However, make sure that you have the right tools in hand.

2. Lower the Water Pressure

You will know if the water pressure is too high. In that case, you need to lower the temperature. Near the water supply line coming into your house, you will find a valve. Turn the valve a little down to lower the water pressure. If that does not work, you can call your water company and ask them to have a look.

3. Prevent Debris from Going into the Sink

You need to make sure that all the plates are free from any leftover food, tissues, and other similar things. The reason is that they might be responsible for the leak.

4. Drain Seal Fix

If the leaking sink is because of a drain seal, you need to fix it right away. All you need to do is remove the old seal using pliers. Please adhere to the necessary safety precautions when doing it. Now, apply an adhesive around the drain and place a new seal on top. Wait for it to dry.

5. Call a Plumber

If nothing works, the best thing to do is call a plumber. It will save you all the hassle. Before finalizing a plumber, make sure that you check their online reviews.


We hope you’ve got clear with your question that why is my sink leaking. With the above-mentioned causes and solutions, you can solve the leakage issue. Remember, safety is crucial when dealing with plumbing issues. If you are unsure about the cause or how to fix the leaking sink, it is recommended to seek assistance from a licensed plumber to avoid any further damage or potential hazards.

Humza Ahmad Barlas
Humza Ahmad Barlas is a dynamic freelance writer and a passionate expert in home improvement, contributing valuable content to SpadoneHome.com for over a year. Specializing in home decoration, cleaning tips, and renovation strategies, his articles offer practical and appealing solutions for homeowners looking to enhance their living spaces. With a strong foundation in digital media, Humza excels in creating engaging narratives and insightful content. His expertise in content strategy and digital marketing shines through in every piece, making him a trusted and authoritative voice for readers seeking reliable home improvement advice.