Bathroom Sink Leaking After Water Turned Off

Why is My Bathroom Sink Leaking After Water is Turned Off?

A leaking sink can be a frustrating problem, especially if it occurs after you've turned off the water. Here are a few reasons why your bathroom sink may be leaking despite the water being turned off, and what you can do to fix it:

1. Worn-out Washer

The washer is a small rubber or plastic disk that sits between the faucet handle and the valve seat. Over time, the washer can wear out or become damaged, causing water to leak even when the handle is turned off. Replacing the washer is a relatively simple and inexpensive fix that you can often do yourself.

2. Loose Packing Nut

The packing nut is located where the faucet stem enters the faucet body. It helps to keep the stem in place and prevent water from leaking. If the packing nut is loose, water can seep out around the stem, even when the faucet is turned off. Tightening the packing nut can usually solve this problem.

3. Damaged Valve Seat

The valve seat is the part of the faucet that the washer seals against. If the valve seat is damaged or worn, water can leak even when the washer is in good condition. Repairing or replacing the valve seat is a more complex repair that may require the assistance of a plumber.

4. Worn-out O-rings

O-rings are rubber gaskets that create a watertight seal in various parts of the faucet. Over time, O-rings can become worn or damaged, causing water to leak. Replacing the O-rings is a relatively simple repair that you can often do yourself.

5. Loose Faucet Handle

If the faucet handle is loose, it can cause the valve stem to move slightly, which can lead to water leaking from the faucet. Tightening the handle should solve this problem.

If you're not comfortable making these repairs yourself, it's best to call a qualified plumber to diagnose and fix the leak.