What to Do in a Plumbing Emergency

Published: December 20, 2023

Plumbing emergencies strike without warning. A pipe bursts at 2 AM, sewage backs up during a dinner party, or your water heater floods the basement on a holiday. These scenarios happen, and the actions you take in the first minutes determine whether you face a manageable repair or a catastrophe. Knowing how to respond protects your home, your belongings, and your safety.

Step #1: Shut Off the Water

This is the most critical action in any water-related plumbing emergency. Every minute water flows adds to damage. Know where your shutoffs are before emergencies happen:

Main Shutoff Valve

Every home has a main water shutoff that stops all water flow. Locations vary:

• Basements: Near the front foundation wall or where pipes enter
• Crawlspaces: Near the front of the house
• Slab foundations: In a garage or utility closet near the water heater
• Outdoor meters: Some homes have shutoffs at the meter

Locate yours now and ensure you can turn it. Some valves require a meter key available at hardware stores.

Fixture Shutoffs

Most fixtures have individual shutoffs. Look for small valves under sinks, behind toilets, and near appliances. If a single fixture causes trouble, shutting off its supply isolates the problem while leaving water available elsewhere in the home.

Step #2: Cut Power When Applicable

Water and electricity create dangerous combinations. If flooding occurs near electrical outlets, appliances, or your electrical panel:

• Don't enter standing water if there's any electrical contact
• Shut off power at the breaker for affected areas
• If unsure about electrical safety, leave the area and call an electrician

Gas appliances like water heaters require attention too. If you smell gas:

• Don't use any electrical switches or create sparks
• Evacuate the home
• Call the gas company from outside
• Call a plumber only after gas is confirmed safe

Step #3: Assess and Document the Situation

Once immediate dangers are managed, assess the situation:

• Where is the water coming from?
• How extensive is the flooding?
• What belongings are at risk?
• Is the situation contained or worsening?

Take photos or videos for insurance purposes. Documentation proves valuable when filing claims and helps plumbers understand what happened.

Common Plumbing Emergencies and Responses

Burst Pipes

Burst pipes can release hundreds of gallons per hour. Immediate actions:

1. Shut off main water immediately
2. Open faucets to drain remaining water from pipes
3. If the burst is near electrical sources, cut power
4. Begin water removal if flooding is significant
5. Place buckets or towels under the break if water still drips

Prevent future bursts by learning how to prevent frozen pipes in winter.

Sewage Backup

Sewage contains harmful pathogens. Immediate actions:

1. Don't use any drains—if sewage is backing up, the problem is in the main line
2. Keep people and pets away from contaminated areas
3. Don't attempt to clear with chemicals—this can worsen problems
4. If sewage enters your living space, evacuate and call professionals
5. Document all damage for health and insurance records

Sewage backup often indicates sewer line problems that require professional diagnosis.

Overflowing Toilet

An overflowing toilet is unpleasant and unsanitary:

1. Don't flush again—this worsens overflow
2. If the bowl is full, locate the toilet's shutoff valve on the wall behind it and turn clockwise
3. If water level is high, wait for it to drain before attempting to clear the clog
4. Plunge if you have a toilet plunger
5. If plunging fails or water keeps rising from elsewhere, you may have a main line blockage

Water Heater Failure

Water heaters can flood spaces or pose safety hazards:

1. Turn off power to the unit (gas valve or circuit breaker)
2. Shut off the cold water supply to the heater
3. If the tank is leaking, attach a hose to the drain valve and begin draining
4. If you smell gas near a gas water heater, evacuate immediately
5. Document conditions—unusual sounds, leaks, or odors help diagnose problems

Learn the warning signs that your water heater needs replacement.

Gas Leak

Plumbing often involves gas lines. Gas leaks are life-threatening emergencies:

1. Don't use electrical switches, phones, or anything that creates sparks
2. Don't light matches or candles
3. Evacuate immediately—leave doors and windows open if possible
4. Call the gas company emergency line from outside or a neighbor's phone
5. Don't re-enter until the gas company declares it safe

Step #4: Begin Water Removal

Once water is stopped and situations are safe, start removing standing water. Every minute water sits increases damage:

• Use towels, mops, or a wet vacuum for small amounts
• For significant flooding, rent or buy a sump pump
• Move furniture away from wet areas
• Pull up area rugs to prevent carpet damage
• Open windows and doors to increase air circulation

Step #5: Call for Professional Help

While you can manage immediate emergency response, repairs require professionals. Call a licensed plumber when:

• You can't identify or stop the leak source
• Water heater problems persist after shutoff
• Sewage is backing up into your home
• Gas odors are present
• Damage is beyond simple cleanup
• Electrical systems have been exposed to water

Keep our emergency number handy: (844) 490-0751. We connect you with licensed plumbers available around the clock.

Step #6: Prevent Further Damage

After water removal, take steps to prevent secondary damage:

• Run fans and dehumidifiers to dry remaining moisture
• Remove wet carpet padding—it rarely dries completely
• Prop up furniture to allow air circulation
• Remove wet insulation from walls and ceilings
• Discard wet papers, books, and cardboard—they harbor mold
• Photograph everything for insurance claims

Preparation: Before Emergencies Happen

The best emergency response happens before emergencies occur:

• Know your shutoffs - Everyone in the household should know main water and gas shutoff locations
• Keep tools accessible - Have a meter key, wrench, and plunger ready
• Save emergency numbers - Keep plumber, utility, and insurance contacts easily accessible
• Maintain your plumbing - Regular inspection and maintenance prevents many emergencies
• Consider leak detectors - Smart water sensors alert you to leaks before they become disasters

Read our guide on preventing plumbing emergencies for comprehensive preparation.

Contact Information

Keep these numbers posted prominently:

• First Plumbing Pro Emergency Line: (844) 490-0751
• Gas Company Emergency: (Check your bill for local number)
• Water Utility: (For main line issues)
• Insurance Claim Line: (Your specific insurer)

Insurance Considerations

Homeowners insurance typically covers sudden plumbing emergencies but not gradual damage from lack of maintenance. Document everything:

• Take photos and videos of all damage
• Save damaged items until insurance adjuster views them
• Keep receipts for emergency services and repairs
• Note dates and times of events
• Report claims promptly—many policies require timely notification

Professional Emergency Services

Plumbing emergencies require immediate professional response. First Plumbing Pro connects homeowners with licensed, experienced plumbers for emergency services including:

• Burst pipe repair and replacement
• Sewer line clearing and repair
• Water heater emergency service
• Gas leak detection and repair
• Flood damage plumbing repairs
• Sump pump installation and repair

Our network of professionals responds rapidly to minimize damage and restore your plumbing. Don't wait—call immediately when emergencies strike.