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What Is the Reason Behind Leaky Faucets?

A leaky faucet is one of the most common plumbing issues homeowners experience. Even a slow, steady drip can waste gallons of water over time, increase utility bills, and signal problems within the faucet assembly. Understanding the main causes of faucet leaks can help you protect your plumbing system and prevent unnecessary water waste.

Below are the most common reasons faucets begin to leak and what you can do to address them effectively.

1. O-Ring Issues

A worn or loose O-ring is one of the leading causes of faucet leaks. This small rubber component helps secure the faucet handle, and when it deteriorates, water can escape around the handle area. O-ring problems are especially common in cartridge-style faucets found in many homes.

2. Corroded Valve Seat

The valve seat forms the connection between the faucet and the spout. Over time, mineral deposits and sediment buildup can corrode this component, leading to drips from the spout. Routine cleaning and maintenance help prevent corrosion and extend the life of your faucet.

3. Worn-Out Washers

Washers press tightly against the valve seat every time you turn the faucet on or off. This continual friction causes them to wear out over time, leading to leaks. Incorrect washer size or poor installation can make leaks appear more frequently.

4. Improper Water Pressure

If your faucet drips only during certain times of day or when handles are placed in specific positions, inconsistent water pressure may be the cause. High water pressure can force water through weak points in the faucet assembly, resulting in intermittent leaks.

5. Defective Parts

Internal faucet parts such as adjusting rings, packing nuts, and seals can loosen or wear down with age. In some cases, leaks may stem from damaged pipes or faulty connections beneath the sink. These issues typically require professional diagnostics and repair.

Know Your Faucet Type

Identifying your faucet type can help you repair leaks more accurately. The most common types include:

  • Cartridge Faucets, typically found in bathrooms and controlled by two separate handles.

  • Disc Faucets, modern and durable designs that use a single lever for smooth operation.

  • Ball Faucets, common in kitchens and equipped with a rotating ball to control flow and temperature.

  • Compression Faucets, older two-handle fixtures that rely on rubber washers to stop water flow.

Fixing a Leaky Faucet

Many minor leaks can be addressed by turning off the water supply, taking the faucet apart, and inspecting components such as O-rings, washers, and the valve seat. Replacing worn parts is often enough to stop the drip. Regular preventative care is key to maintaining reliable faucet performance and avoiding costly water waste.

Meet the Best Plumber in Gallatin, Honored to Serve You

At Michael Jr Plumbing, we are proud to be the trusted plumbing experts for homeowners in Gallatin, TN. Our team brings hands-on experience, professional training, and a commitment to delivering long-lasting plumbing solutions. We also proudly serve nearby communities, including Lebanon, Franklin, Brentwood, Nashville, Mt. Juliet and Clay County, TN. Whether you need professional faucet repair in Gallatin, TN, leak diagnostics, or full plumbing services, we are honored to help keep your home running efficiently.

Take Action Against Leaky Faucets with Michael Jr Plumbing

If your dripping faucet will not stop despite DIY efforts, Michael Jr Plumbing is ready to help. We provide fast, accurate and dependable faucet repair and complete plumbing services throughout Gallatin, TN and surrounding areas. Contact us today at (615) 670-4049 or fill out our online form to schedule professional service and stop faucet leaks for good.