Burst Pipe or Active Leak? Do This First

A burst pipe or a sudden active leak is one of those problems where the first five minutes matter more than almost anything that happens afterward. Acting quickly won't undo the leak, but it can meaningfully limit the damage while you wait for help to arrive.

1. Shut off the water

This is the single most important step. Every home has a main water shutoff valve — knowing where it is before an emergency happens is worth five minutes of your time this week. It's typically located:

• Where the main water line enters the house (basement, crawl space, or utility closet)
• Near the water heater
• Outside near the street, in a concrete box (this is usually the city's shutoff, not yours, but worth knowing)

If you can't find the main shutoff quickly, look for a local shutoff valve at the specific fixture that's leaking — under the sink, behind the toilet, or at the washing machine hookup.

2. Turn off electricity to the affected area if water is near outlets or fixtures

Water and electricity are a dangerous combination. If the leak is anywhere near outlets, light fixtures, or electrical panels, and it's safe to reach your breaker panel without stepping through water, shut off power to that area.

3. Contain what you can

Towels, buckets, and anything else on hand can slow the spread of water while you wait. Move furniture, electronics, and anything valuable out of the path of the water if it's safe to do so.

4. Document the damage

Once the immediate danger is handled, take photos and video of the affected area before cleanup begins. This matters for insurance purposes and can save a lot of back-and-forth later.

5. Call a plumber

Once the water is shut off and the immediate situation is stable, get a licensed plumber out to assess and repair the actual problem — a shutoff valve buys you time, it doesn't fix a burst pipe.

What NOT to do

• Don't ignore a small leak hoping it stays small. Pipe damage rarely improves on its own.
• Don't use electrical appliances in standing water, even briefly.
• Don't attempt major pipe repairs yourself unless you're confident in what you're doing — a poorly sealed repair can fail again, sometimes worse than the original leak.

After the water's off

If there's standing water, start removing it as soon as it's safe, and get fans or a dehumidifier running if you have them — mold can start developing within 24–48 hours in a wet environment. For anything beyond a quick mop-up, a water damage restoration service may be worth involving alongside your plumber.

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