The short answer
Shut off the Water
The first move is to find the main shutoff valve, usually near the water meter or where the supply line enters your home. Turn it clockwise until it stops. This stops the flow to the whole house, which is the safest way to limit damage.
If the leak is only in one fixture, like a sink or toilet, look for a smaller valve under the fixture. Close that one instead. Either way, open a cold faucet on the lowest floor to drain remaining water and relieve pressure. On a slab foundation, the shutoff valve may be outside near the exterior wall.
Patch a Pipe Temporarily
For a small leak in a straight pipe, a rubber patch and a hose clamp can slow the flow. Wrap a piece of rubber around the leak, then tighten the clamp over it. This works well on smooth pipe, not at joints or fittings.
A plumber's epoxy putty can also seal a leak temporarily. Press it over the hole and let it set. These fixes are not permanent. They only reduce the flow until a plumber can replace the damaged section.
- Keep a bucket under the leak to catch drips
- Place towels or rags around the base
- Tape the pipe with plumber's tape as a backup
- Turn off the water if the leak worsens
- Mark the leak location for the plumber
Use a Bucket or Towel
If the leak is small and you cannot shut off the water, a bucket or a deep pan can catch the drips. Position it directly under the leak and check it often. A towel wrapped around the pipe can direct water into the bucket.
This prevents water from spreading across the ceiling. Empty the bucket regularly to avoid overflow.
When to Call a Plumber
Temporary measures are just a stopgap. A plumber can make a permanent repair, replace a valve, or fix a burst pipe. You should call a plumber as soon as you have stopped the immediate flow, especially if the leak is behind a wall or under a slab.
If water has already soaked into flooring, drywall, or carpet, local water damage pros may need to handle the drying and cleanup. Acting quickly reduces the chance of mold.
- Turn off the water before attempting any patch
- Wear gloves when handling wet materials
- Take photos of the leak for your records
- Avoid using electrical appliances near water
- See a doctor if you feel unwell after exposure
Prevent Future Leaks
After the repair, check your pipes for signs of wear, like rust or damp spots. Insulate exposed pipes in cold months to reduce the risk of freezing. Know where your shutoff valve is and test it once a year.
After heavy rain, check your gutters and downspouts to ensure they are clear so water drains away from your foundation. This helps prevent water from seeping into your crawlspace or slab. These steps help you avoid the stress of a sudden leak.
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Call Now (817) 799-6732Frequently asked questions
How do I find my main water shutoff valve?
Look near the water meter, often in a box at the property line, or where the supply pipe enters your home, such as a crawlspace or utility room. Check with your local water utility if you cannot locate it.
Can I use duct tape to stop a leak?
Duct tape is not a reliable seal for water pressure. It may hold for a few minutes, but it often fails. Use a rubber patch and a hose clamp or plumber's epoxy putty instead.
What if the leak is in a wall or ceiling?
This prevents water from spreading. Call a plumber for the pipe repair and water damage pros for drying the wall.