A burst pipe or overflowing toilet can cause thousands of dollars in water damage in just minutes. While you should always call a professional plumber for repairs, knowing how to respond in those critical first moments can save your home—and your wallet. Here are 6 plumbing emergencies every homeowner should know how to handle.
1. Burst Pipe: Shut Off the Water Immediately
A burst pipe is one of the most destructive plumbing emergencies. The first thing you must do is locate your main water shut-off valve (usually in the basement, crawl space, or near the water heater) and turn it off. Then, open all faucets to drain remaining water from the pipes. Call a professional plumber immediately—this is not a DIY fix. While you wait, move furniture and valuables away from the affected area and start mopping up water to minimize damage.
2. Overflowing Toilet: Stop the Water Flow
If your toilet is overflowing, don't keep flushing! Remove the tank lid and push down the flapper valve to stop water from entering the bowl. Then, turn off the water supply valve located behind the toilet. If the clog doesn't clear with a plunger, call a plumber—chemical drain cleaners can damage your pipes and make the problem worse.
3. Water Heater Leak: Turn Off Power and Water
A leaking water heater can flood your home and, if it's gas-powered, create a dangerous situation. First, turn off the power (circuit breaker for electric, gas valve for gas heaters). Then, shut off the cold water supply valve at the top of the tank. Place towels or a bucket under the leak and call a professional plumber. Water heaters are complex appliances—attempting DIY repairs can void warranties and create safety hazards.
4. Sewer Backup: Evacuate and Call a Pro
If sewage is backing up into your drains, toilets, or tubs, you have a serious emergency. Sewage contains harmful bacteria and should never be handled without proper protection. Evacuate the affected area, avoid using any plumbing, and call a professional plumber immediately. This is a job for experts with specialized equipment.
5. Frozen Pipes: Thaw Carefully to Prevent Bursting
In cold climates, frozen pipes are a common winter emergency. If you turn on a faucet and only a trickle comes out, you likely have a frozen pipe. Open the faucet and apply gentle heat to the pipe using a hairdryer or heating pad—never use a torch or open flame. If you can't locate the freeze or the pipe has already burst, shut off the main water and call a plumber.
6. Gas Smell Near Water Heater: Evacuate Immediately
If you smell gas near your water heater, do not turn on lights, use your phone, or create any spark. Evacuate your home immediately and call 911 from a safe distance. Then, contact your gas company and a licensed plumber. Gas leaks are life-threatening and require immediate professional intervention.
✓The LockyNest Advantage
Plumbing emergencies don't wait for business hours. That's why LockyNest connects you with verified, local plumbers who are available 24/7. Our platform makes it easy to find licensed professionals in your area—no more frantic Google searches or overpriced emergency services. For just $10/year, plumbers can join our network, which means you get access to more qualified pros at fair prices. When disaster strikes, LockyNest has your back.
Frequently Asked Questions
How much does an emergency plumber cost?
Can I use chemical drain cleaners for clogs?
How can I prevent plumbing emergencies?
Ready to Find a Verified Professional?
Don't wait until it's an emergency. Use LockyNest to find trusted, background-checked professionals in your area today.
Search for Professionals