6 Common Plumbing Emergencies and How to Handle Them

When Plumbing Fails, Every Minute Counts

A plumbing emergency rarely gives you warning. One moment everything is fine; the next, water is spreading across your floor or a sewer smell is filling your home. What you do in the first few minutes can mean the difference between a manageable repair and thousands of dollars in water or structural damage. As Vancouver's 24/7 emergency plumber, HYDROPRO has responded to every type of plumbing crisis. Here is what you need to know before one happens to you.

Know Your Main Shut-Off Valve First

Before we cover specific emergencies, there is one thing every homeowner should do right now: locate your main water shut-off valve. In most Vancouver homes, it is found near the water meter — either in the mechanical room, under the kitchen sink, in the crawl space, or at the front of the property near the foundation. Knowing where it is and being able to turn it off quickly is the single most effective thing you can do in a water-related emergency.

Emergency 1: Burst Pipes

What causes it: Pipes burst when water pressure spikes suddenly, when joints fail due to age and corrosion, or when freezing temperatures cause water inside the pipe to expand. Burst pipes are one of the most damaging plumbing emergencies because they can release hundreds of litres of water in a very short time.

Immediate steps:

• Turn off the main water supply valve immediately.
• Turn off your water heater to prevent it running dry.
• Open cold water taps throughout the house to drain the remaining water from the pipes.
• Turn off electricity to any rooms where water is present — do not enter flooded areas until power is off.
• Begin mopping up standing water and removing wet materials to limit mould risk.
• Call HYDROPRO at 604-652-4356 for emergency pipe repair.

Emergency 2: Sewer Backup

What causes it: Sewer backups occur when the main drain line is obstructed by debris buildup, tree root intrusion, grease accumulation, or a collapsed pipe. The lowest drain in your home — typically a basement floor drain — is the first to back up. Sewage backing up into your home is both a health hazard and a significant property damage event.

Immediate steps:

• Stop using all water in the home immediately — every flush and every tap makes the backup worse.
• Do not use chemical drain openers; they will not help with a main line blockage.
• Avoid contact with backed-up sewage, which contains harmful pathogens.
• Ventilate the affected area if sewage odours are strong.
• Call a licensed plumber for emergency sewer clearing. Our team uses hydro-jetting and camera inspection to identify and resolve the blockage quickly.

Emergency 3: Water Heater Failure

What causes it: Water heaters fail for several reasons — a burned-out heating element, a faulty thermostat, sediment buildup that overheats the tank, a failed pressure relief valve, or catastrophic tank rupture due to corrosion. A rupturing water heater can release 40 to 60 gallons of hot water in minutes.

Immediate steps:

• For a leaking or ruptured tank, turn off the cold water supply line leading into the heater.
• For a gas water heater, turn the gas valve to the pilot setting.
• For an electric heater, shut off the dedicated breaker.
• Do not attempt to repair a leaking water heater yourself — the combination of hot water, pressure, and potentially gas makes this a job for a licensed plumber.
• Call HYDROPRO for rapid water heater replacement or repair across Vancouver.

Emergency 4: Overflowing Toilet

What causes it: An overflowing toilet is typically caused by a blockage in the toilet trap, drain line, or main sewer line. It can also be caused by a float mechanism failure in the tank that allows water to keep running and eventually overflow.

Immediate steps:

• Remove the toilet tank lid and push the flapper down to stop more water from entering the bowl.
• Turn off the water supply valve at the base of the toilet (the small oval valve behind the toilet).
• Do not attempt to flush again — this will make the overflow worse.
• If the overflow is from a tank mechanism failure (tank keeps filling), the main shut-off may be needed.
• Attempt plunging with a flanged toilet plunger. If the clog does not clear within a few attempts, call a plumber — forcing the issue can crack the porcelain.

Emergency 5: Frozen Pipes

What causes it: While Vancouver's winters are mild compared to the rest of Canada, temperatures in the Lower Mainland do drop below freezing, and pipes in exposed areas — crawl spaces, garages, exterior walls, and unheated areas — can freeze. Frozen pipes that are not thawed carefully will burst as the ice expands.

Immediate steps:

• Keep the affected tap open to release pressure as you thaw the pipe.
• Apply a hair dryer, heating pad, or warm towels to the frozen section — start from the tap end and work toward the blockage.
• Never use an open flame, blowtorch, or high-temperature heat source near pipes.
• If you cannot locate or access the frozen section, shut off the main water supply and call a plumber immediately.
• After thawing, inspect all joints carefully for signs of cracking — even hairline cracks will leak once water flow resumes. Our leak detection team can help confirm pipe integrity.

Emergency 6: Gas Leaks

What causes it: Gas leaks occur when gas supply lines crack, corrode, or are damaged — often at fittings, joints, or appliance connections. Even a small gas leak poses serious explosion and asphyxiation risks and must be treated as an immediate life-safety emergency.

Immediate steps:

• Do not turn any lights or appliances on or off — electrical sparks can ignite gas.
• Do not use your phone inside the building — go outside first.
• Leave the building immediately, leaving doors open to ventilate as you exit.
• Turn off the gas supply at the meter if you can do so safely from outside.
• Call FortisBC emergency line at 1-800-663-9911 from outside the building, then call 911.
• Do not re-enter until the building has been cleared by emergency services. HYDROPRO can assist with gas line repair work once the site is deemed safe.

Facing a plumbing emergency right now? Call HYDROPRO at 604-652-4356. We respond to plumbing emergencies across Vancouver, Burnaby, Surrey, Richmond, and the entire Lower Mainland, 24 hours a day, 7 days a week.

Frequently Asked Questions

What qualifies as a plumbing emergency?

A plumbing emergency is any situation that poses an immediate risk to your property, health, or safety and cannot wait for a scheduled appointment. This includes burst pipes, sewage backups, water heater failures with no hot water, overflowing toilets that cannot be stopped, frozen pipes at risk of bursting, and any suspected gas leak. If in doubt, call HYDROPRO at 604-652-4356 — we are available 24/7.

How much does emergency plumbing cost in Vancouver?

Emergency plumbing service in Vancouver typically carries an after-hours surcharge of $100 to $200 on top of standard labour rates. The total cost depends on the nature of the repair — a burst pipe repair may cost $300 to $1,500, while a sewage backup requiring main line clearing can range from $400 to $2,000. HYDROPRO provides upfront pricing before any work begins. Call 604-652-4356 for a quote.

Should I turn off my water main during a plumbing emergency?

Yes, for most plumbing emergencies involving active water flow — burst pipes, overflowing fixtures, or unknown water leaks — shutting off the main water supply is the single most important step you can take to limit damage. Locate your main shut-off valve before an emergency occurs. In most Vancouver homes it is near the water meter, in the mechanical room, or at the front of the property near the foundation.