What to Do During a Plumbing Emergency

Plumbing emergencies rarely happen at a convenient time. A pipe can burst overnight, a toilet can overflow right before guests arrive, or monsoon rains can back up a sewer line in minutes. Knowing what to do in the first few moments can make the difference between a minor inconvenience and major damage.

Here's a practical, step-by-step guide for the most common plumbing emergencies Tucson homeowners face.

Know Your Shut-Off Locations Before You Need Them

Every homeowner should know two things ahead of time: where the main water shut-off valve is, and where the individual shut-off valves are under each sink and toilet. The main shut-off is often near the street, in a utility closet, or at the water meter, depending on your home's construction.

Take a few minutes today to locate these valves and make sure they turn freely. A shut-off valve that's corroded or painted shut won't help you in an actual emergency.

Burst or Leaking Pipe

If you discover a burst pipe, shut off the main water valve immediately to stop the flow. Turn off any electrical circuits in the affected area if water is anywhere near outlets or fixtures, and move furniture or belongings away from the water.

Once the water is off, call for burst pipe repair right away. Even a small leak from a cracked pipe can release a surprising amount of water in a short time, especially under pressure.

Water Heater Leak

A leaking water heater can be caused by a failed T&P valve, a corroded tank, or a loose fitting. Shut off the water supply to the unit and turn off the gas or electrical power before the leak grows worse.

If you smell gas anywhere near the unit, skip the shutoff and go straight to the gas safety steps below. Otherwise, call for water heater repair once the immediate risk is controlled.

Gas Smell

If you smell natural gas anywhere in your home, do not touch light switches, thermostats, or anything electrical, since a spark can ignite gas fumes. Leave the house immediately, taking family members and pets with you.

Once outside and at a safe distance, call your gas utility's emergency line and then a licensed plumber. Do not go back inside until the gas company or a professional confirms it's safe.

Sewage Backup

A sewage backup is one of the more serious plumbing emergencies because of the health hazard involved. If you see sewage backing up into a tub, floor drain, or toilet, stop using all plumbing fixtures in the house immediately to avoid adding more water to the clogged system.

Keep children and pets away from the affected area. In Tucson, mature mesquite and ash tree roots frequently invade older clay or cast-iron sewer lines and cause backups like this, especially during monsoon season when soil shifts and heavy rain saturates the ground. A sewer camera inspection can quickly identify the blockage location, and hydro jetting is often used to clear root intrusion once it's found.

Overflowing Toilet

If a toilet won't stop running and water is rising toward the rim, reach behind the toilet and turn the shut-off valve clockwise to stop the water supply. If you can't find or reach the valve in time, remove the tank lid and lift the fill valve float to stop water from entering the tank.

Once the immediate overflow is stopped, avoid flushing again until the clog is cleared. Persistent overflow issues may point to a deeper problem worth having checked with drain cleaning or a toilet repair or replacement.

Electrical Safety Near Water

Water and electricity are a dangerous combination. If flooding is anywhere near outlets, appliances, or your electrical panel, shut off power to that area at the breaker if you can do so safely without standing in water. If you're unsure, don't take the risk — wait for a professional.

Never use electrical appliances or touch switches with wet hands or while standing in standing water.

Document Everything for Insurance

Once the immediate danger is under control, take photos and video of the damage, including affected walls, flooring, and belongings, before cleanup begins. Note the time the emergency started and what you did in response.

This documentation makes the insurance claims process much smoother and helps your plumber provide an accurate assessment and repair estimate.

What to Have Ready Before You Call

When you call an emergency plumber, it helps to have a few details ready: your address, a brief description of the problem, whether the water or gas is currently shut off, and access instructions if anyone needs to enter while you're away. This helps dispatch the right technician with the right equipment as quickly as possible.

Monsoon Season Considerations

Tucson's monsoon season, from July through September, brings sudden heavy rain that can overwhelm sewer lines, saturate caliche soil, and worsen existing root intrusion problems. Homes with older clay or cast-iron sewer lines are especially prone to backups during this period.

If you've had recurring drain slowdowns, it's worth scheduling a sewer camera inspection before monsoon season hits, rather than waiting for a backup to happen during a storm. Our article on hydro jetting vs. snaking explains how different clearing methods handle root intrusion long term.

Frequently Asked Questions

How do I find my home's main water shut-off valve?

It's typically located near the street at the water meter, in a garage or utility closet, or on an exterior wall facing the street; if you're unsure, a plumber can point it out during a routine visit so you're prepared ahead of time.

Is it safe to try to fix a burst pipe myself before help arrives?

Shutting off the water and containing the area is safe and recommended, but repairing a burst pipe should be left to a licensed plumber, since a temporary fix can fail and cause additional damage.

What should I do if I can't reach a plumber immediately during a gas smell?

Leave the home immediately, call your gas utility's emergency line from a safe distance, and do not return inside until you're told it's safe, regardless of how quickly a plumber can arrive.

Why do sewage backups seem to happen more during monsoon season?

Heavy rain saturates the soil and can shift or stress older sewer lines, while existing tree root intrusion in clay or cast-iron pipes often worsens when the ground becomes waterlogged, making backups more common July through September.

Call Priority Rooter & Plumbing

Plumbing emergencies don't wait for business hours, and neither do we. Priority Rooter & Plumbing is licensed, bonded, and insured, offering 24/7 emergency service throughout Tucson and surrounding communities.

If you're facing a plumbing emergency right now, call 520-338-9496 immediately or book online — we're ready to respond any time, day or night.