How to Fix a Leaky Faucet

A leaky faucet is one of the most common plumbing issues homeowners face. While it may seem like a small annoyance, a dripping faucet can waste a surprising amount of water over time and increase your utility bills.

Fortunately, many faucet leaks are caused by worn components that are inexpensive and relatively easy to replace.

Common Causes of Faucet Leaks

Most faucet leaks occur due to worn or damaged internal parts.

Common causes include:

• Worn washers
• Damaged O-rings
• Corroded valve seats
• Worn cartridges
• Loose or damaged seals

The exact cause often depends on the type of faucet installed.

Types of Faucets

Understanding the type of faucet you have can help determine the correct repair.

Common faucet types include:

• Compression faucets – use rubber washers to seal water flow
• Ball faucets – common in kitchen sinks with a single handle
• Cartridge faucets – use a movable cartridge to control water flow
• Ceramic disc faucets – durable designs found in many newer fixtures

Each type uses slightly different internal parts.

Step 1: Turn Off the Water Supply

Before starting any faucet repair, turn off the water supply valves located under the sink.

Steps:

1. Turn both hot and cold valves clockwise to shut them off.
2. Turn on the faucet briefly to release remaining water pressure.

This prevents water from spraying during the repair.

Step 2: Remove the Faucet Handle

Use a screwdriver or Allen wrench to remove the handle.

Once removed, you can access the internal components of the faucet.

Be careful to keep screws and small parts organized.

Step 3: Inspect and Replace Worn Parts

Look for signs of wear or damage on internal components.

Parts commonly replaced include:

• Rubber washers
• O-rings
• Cartridges

Take the old parts to a hardware store to ensure you purchase the correct replacements.

Step 4: Reassemble the Faucet

Once the worn parts have been replaced:

1. Reassemble the faucet components.
2. Turn the water supply valves back on.
3. Test the faucet to ensure the leak is gone.

When to Call a Plumber

You may want to contact a plumber if:

• The faucet continues leaking after replacing parts
• The fixture is severely corroded
• Water leaks from inside the wall

These issues may require professional repair or replacement.

Final Thoughts

Fixing a leaky faucet is often a quick repair that most homeowners can handle with basic tools. Addressing the issue early helps conserve water and prevents further wear on plumbing components.

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