Burst Pipe or Water Leak Emergency Checklist
What to do when a pipe bursts or water is flooding—shut off water, power safety near water, limit damage, and when to call a plumber immediately.
- Difficulty
- Beginner-friendly
- Time
- Emergency response
- Est. cost
- Varies
- Season
- year round
By Keepstead Editorial Team · Published September 6, 2026 · 3 min read
Last reviewed September 6, 2026
Quick answer
Burst pipe checklist: (1) Shut off the main water valve, (2) open a faucet to relieve pressure, (3) stay out of water near electricity, (4) move belongings and start drying, (5) call a plumber—this is not a DIY pipe-replacement project.
Seconds matter when pressurized water is spraying. Practice finding your shutoff on a calm day so you are not searching during a flood.
Immediate steps (in order)
- Shut off the main water — Gate valve clockwise; ball valve handle perpendicular to the pipe. Details: find main water shutoff.
- Relieve pressure — Open a cold faucet at a lower level so remaining water drains.
- Electrical safety — Do not wade to outlets or appliances. If the breaker panel is dry and reachable, shut off affected circuits; otherwise wait for help.
- Stop the spray if safe — A pipe clamp or thick tape is only a temporary slowdown—not a repair.
- Call a licensed plumber — Describe location (ceiling, basement, crawl space) and whether water is off.
- Document damage — Photos for insurance once it is safe.
Fixture leaks vs burst pipes
| Situation | First move | Guide |
|---|---|---|
| Spraying pipe / flooded area | Main shutoff | This checklist |
| Dripping faucet | Local shutoffs | Leaky kitchen faucet / appliance shutoffs |
| Running toilet | Toilet shutoff | Fill valve / running toilet |
| Water heater tank leak | Unit cold shutoff + main if needed | Water heater leaking |
| Freeze risk before a burst | Heat + shutoff knowledge | Prevent frozen pipes; winterize outdoor faucets |
| Basement flooding with a sump | Power-safe checks | Test sump pump after the emergency |
After the water is off
- Remove rugs and cardboard; run fans only on dry circuits.
- Discard soaked porous materials your insurer advises against keeping.
- Watch for mold within 24–48 hours of moisture.
- Schedule permanent pipe repair—do not rely on clamps.
When DIY stops
Bottom line
Emergencies are about shutoff speed, not pipe skills. Label your main valve, show everyone in the household, and keep plumber numbers accessible—then prevent freezes before they become bursts.
Frequently asked questions
- What is the first thing to do when a pipe bursts?
- Shut off the main water valve immediately, then open a faucet to relieve pressure. Keep clear of standing water near electrical outlets or appliances—shut off power at the breaker only if you can do so without stepping in water.
- Where is the main water shutoff?
- Usually where the water line enters the house—basement, crawl space, garage, or utility closet. See how to find your main water shutoff valve and practice locating it before an emergency.
- Can I fix a burst pipe myself?
- Temporary clamps may slow a small spray for professionals, but replacing pipe sections, soldering, or PEX repairs after a burst is typically plumber work—especially if walls or ceilings are involved.
Related guides
How to Find Your Main Water Shutoff Valve
Locate your home's main water shutoff—basement, crawl space, slab, or meter—and know when to use it vs under-sink shutoffs before a leak emergency.
Appliance Shutoff Valves: A Homeowner's Guide
Find and identify shutoff valves for washers, dishwashers, refrigerators, water heaters, toilets, and sinks before a leak.
How to Prevent Frozen Pipes in Winter
Prevent frozen and burst pipes—insulate vulnerable lines, keep heat on, and know when to shut off water before a freeze.
How to Winterize Outdoor Faucets
Disconnect hoses, shut off and drain outdoor faucets, understand frost-free models, and protect plumbing before freezing weather.
This guide is for general informational purposes. Conditions vary by home, local codes, and equipment. See our disclaimer.