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Emergencies & Safety

Plumbing emergency: what to do in the first 10 minutes

Burst pipe, sewer backup, or a leaking water heater: the first ten minutes decide the damage. Steps for Philadelphia, Bucks County, and Main Line homes.

Emergencies & Safety 5 min read Updated September 22, 2026What to do now
The short answer

In a plumbing emergency, shut off the water first: the fixture valve if it is one fixture, the main shutoff if you are not sure. Then cut power to anything wet, turn off the water heater if it is involved, move belongings out of the water, and note what happened and when. Then call for emergency service.

Key takeaways

  • Water off first, then electricity, then everything else.
  • Know where your main shutoff is before you need it; find it today if you do not.
  • For a sewer backup, stop using every drain in the house and stay out of the water.
  • A few photos and a note of the time and what was running help us and your insurer.
  • Emergency service is available around the clock, with holidays reserved for true emergencies.

What counts as a plumbing emergency?

Not every plumbing problem needs a midnight call, and knowing the difference saves stress. A true emergency is water or sewage going where it should not and not stopping: a burst or split pipe, a supply line that popped off a toilet or washer, a water heater tank that let go, sewage rising from a floor drain or tub, or no water at all in the house in freezing weather. A frozen pipe that has not yet split is urgent too, because it will.

A drip, a slow drain, a running toilet, or a water heater that stopped making hot water can wait until morning without harm as long as the water is contained. If you can shut off the water to the problem and the house is otherwise fine, you have turned an emergency into a scheduled repair. That is the goal of the first ten minutes.

Step one: stop the water

Everything else waits until the water stops. Work from smallest to largest:

  • One fixture leaking: turn the small shutoff valve under the sink or behind the toilet clockwise until it stops. Washer hoses have valves on the wall behind the machine.
  • Not sure where it is coming from, or the leak is in a wall or ceiling: go to the main shutoff and close it. In most homes it is on the front foundation wall where the water service enters, near the meter.
  • Water heater leaking: close the cold-water valve on top of the tank. For a gas heater, turn the gas control to Off. For electric, switch off its breaker before touching the tank.
  • Main valve stuck or missing: the curb stop at the sidewalk can be closed by the water utility. Call them, and call us.
  • After the main is off, open a faucet on the lowest floor to drain pressure from the lines. The leak will slow to a trickle and then stop.

Step two: make it safe

Water and electricity meet in basements and utility rooms. If water is near outlets, a furnace, a boiler, or an electric water heater, turn off the breaker for that area at the panel, if you can reach the panel without standing in water. If you cannot, leave it and tell us when you call. Do not walk into standing water that could be touching a live appliance.

If the problem is sewage, treat the water as contaminated. Keep children and pets out of the room, and stop using every drain in the house, including toilets on upper floors; each flush adds to the pool at the bottom. If you smell gas at any point, stop, leave the house, and call PECO or 911 from outside before anything else.

Step three: protect what you can

With the water off and the room safe, spend the next few minutes limiting damage. Move boxes, rugs, and furniture out of the wet area. Put a bucket under a ceiling drip and, if the ceiling is bulging with water, poke a small hole with a screwdriver to let it drain into the bucket rather than collapse. Towels along doorways keep water from spreading into carpeted rooms.

Then document. Take a few photos of the source and the damage, note the time and what was running (laundry, dishwasher, shower), and write down any sounds you heard first. Your insurer will want this, and it helps us find the cause faster. If you rent, call your landlord or property manager now; under many leases, they arrange the plumber.

What should I not do?

A few common moves make things worse:

  • Do not pour chemical drain cleaner into a backed-up drain. It will not reach a main-line clog and it makes the standing water hazardous for whoever opens the line.
  • Do not use a torch or open flame on a frozen pipe. A hair dryer or warm towels, starting at the faucet end, are the safe way.
  • Do not keep running water to see if it clears. Every gallon has to go somewhere.
  • Do not start opening walls or ceilings beyond a small relief hole. Find the source first.
  • Do not turn the water back on to test it before the repair is made.

What happens when you call us?

Tell us what you shut off, what is still leaking, and whether there is sewage or an electrical concern. That lets us send the right truck with the right parts. When we arrive, we confirm the water is off, find the source, and give you the options before we start: a repair tonight, a temporary fix and a scheduled repair, or a replacement if the part has failed. No high-pressure sales. We give you options.

Our dispatch policy is simple: "$85 dispatch fee, waived when approved work is completed the same day." Emergency service runs 24 hours, with holidays reserved for emergencies only. Request emergency service, and if you have a minute while you wait, go find your main shutoff so you can show us.

Questions we hear

People also ask

Should I call a plumber or my water company first?
If water is pouring into the house and your main shutoff will not close, call the water utility first; they can close the curb stop at the street. For everything else, shut off what you can and call a plumber. For a gas smell, the order is different: leave the house, then call PECO or 911 from outside before anyone else.
How do I know if a leak is inside a wall?
Look for a stain or bubble in paint or drywall, a warm or soft spot on a floor, the sound of running water when nothing is on, or a water meter dial that moves with every fixture closed. Shut the main, mark the edge of the stain with a pencil, and see if it spreads. Do not open the wall until the source is found.
Is a sewer backup covered by homeowners insurance?
Many standard policies exclude sewer and drain backup unless you added a specific rider, while a burst supply pipe is often covered. Check your policy and call your agent early. Photos, the time, and a written summary of what happened help either way, and we can document what we find in the line.
What if the emergency is on a holiday?
We run emergency-only service on holidays, so a burst pipe, a sewer backup, or no water gets a response, while a slow drain or a dripping faucet is scheduled for the next business day. Shut off the water, make the area safe, and call. The dispatcher will tell you honestly which category your problem falls into.
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