Water emergency: the first 60 minutes

By Sam Arora, Founder & Editor · Reviewed against IICRC S500 / III / FEMA guidance · Updated July 2026

WATER STILL FLOWING? Go to the main shutoff now.

Basement wall facing the street, garage, crawlspace, or outside at the meter box. Round wheel handle: turn clockwise until it stops. Lever handle: quarter-turn so it lies ACROSS the pipe.

Stuck or can't find it? Shut the small valve behind the failing fixture/appliance, and call your water utility's 24-hr emergency line to shut it at the curb. Then flush toilets and open the lowest faucet to drain the lines.

Diagram: Restoration Answers, from FEMA definitions

No matter what kind of water:

1. If anyone is in danger or you smell gas, get out and call 911.

2. Do not step into standing water that could be touching anything electrical.

3. Shut the main water valve (above).

The first hour decides most of the final bill. Work the list in order — safety first, then stop the water, then evidence, then drying. Every step says why it matters.

The hour at a glance

The order matters more than the exact minutes — if a step doesn't apply, move to the next.

Diagram: Restoration Answers, from Red Cross / III / IICRC S500 definitions

Now pick your situation for the full checklist:

If anyone is in danger, call 911 first. This is general information, not professional advice. Sparks, a burning smell, a buzzing or humming panel, or anyone in contact with water and electricity: get everyone out now and call 911 — don't go back for this checklist.

What's happening?

DO THESE THREE NOW

1. Shut off the main water valveUsually where the supply enters the house (basement wall, garage, or at the meter). Every minute open adds gallons — a burst supply line can release hundreds of gallons an hour. If reaching the valve means stepping into standing water near outlets, cords or appliances, stop — switch to the Flooding basement steps and deal with electricity first.
2. Turn off the power to wet areas at the breaker box — only if the panel and the floor around it are dryWater + live outlets is the real danger. If the panel itself is near water, stay out and call your utility.
3. Open the lowest faucet to drain the linesRelieves pressure and empties what's left in the pipes.

The next 40 minutes

4. Photograph and video everything before touching anythingWide shots, close-ups, the failed pipe itself. This is your claim evidence — and keep the broken section after repair.
5. Call your insurer's 24-hour claims lineReport promptly and in writing; note the claim number. Ask what mitigation costs are reimbursable — reasonable emergency mitigation usually is.
6. Move valuables up and out; get air movingPut aluminum foil or wood blocks under furniture legs (stops the legs from staining wet carpet), pull rugs, open windows if it's dry outside, run fans and a dehumidifier if you have them.
7. Get a professional drying assessment within 24 hoursMold can start colonising in 24–48 hours, and water inside walls doesn't dry on its own. Reputable restoration firms inspect and quote free, 24/7.

Tick steps as you go — your progress is saved on this phone, even if the screen locks. Print it if others are helping.

This is general information, not professional advice. It can't account for your specific situation. If anyone is in danger, or you're unsure at any point, call 911 (or your local emergency number) and contact a licensed professional.

Standing water right now?

Every hour it sits, water damage gets more expensive — drywall wicks water upward and mold can start within 24–48 hours. Restoration pros run 24/7 emergency lines — the industry standard is to be on-site within 1–4 hours of your call.

Do this first → the 60-minute emergency checklist

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Need a pro fast?

Call your insurer's 24-hr claims line first — most dispatch a vetted mitigation firm and pay it directly.
Search the IICRC Global Locator (iicrc.org → Locate a Certified Professional) and filter for Water Damage Restoration (WRT).
Whoever you call, ask three questions: Are you IICRC-certified? Will your written scope state the water category? Do you bill my insurer directly? If anyone demands a large cash payment before work starts, hang up.

How we make money: no page carries a sponsored number today, so none is listed. If one ever is, the single company that answers would pay us — a flat monthly sponsorship for that page's exclusive call slot, or a licensed referral fee — never you. If there is no number on this page, nobody paid to be here. You never pay us anything, and you're always free to call any company directly instead.

Don't know your insurer's number? Tap your company:

These are the insurers' own public claim lines — we are not affiliated and earn nothing from these calls.

State Farm: 800-732-5246 (800-SF-CLAIM)
Allstate: 800-255-7828 (1-800-ALLSTATE)
USAA: 800-531-8722 (800-531-USAA)
Liberty Mutual: 800-225-2467 (800-2CLAIMS)
Farmers: 1-800-435-7764 (1-800-HELPPOINT)
Travelers: 1-800-252-4633 (1.800.CLAIM33)
Nationwide: 1-800-421-3535
American Family: 1-800-692-6326 (1-800-MYAMFAM)
Chubb: 1-800-252-4670 (1-800-CLAIMS-0)
Erie Insurance: 800-367-3743, option 1

Why the first hour matters this much

Water damage is a compounding problem: drywall keeps wicking water upward for hours after the floor looks dry — it's why pros cut out wall board 12–24 inches above the highest visible wet line. Laminate and subfloors swell as they saturate, and mold can establish within 24–48 hours — at which point a drying job becomes a remediation job and the cost jumps by thousands (published mold remediation ranges run $1,125–$3,350 on top of drying (Angi)). The difference between a damp weekend and a five-figure rebuild is usually decided before the first professional even arrives.

The insurance half is just as time-sensitive: adjusters pay documented, promptly-reported, properly mitigated claims. Photos before cleanup, the failed part kept, receipts saved, claim reported in writing — that sequence is worth real money. Check what your policy likely covers with the insurance claim estimator, and put numbers on the damage with the cost calculator.

Common questions

Should I turn off electricity before entering a flooded room?

If any outlets, appliances or cords are in or near the water — yes, and only if the panel itself is dry and safely reachable. If the panel is in the wet area, don't touch it; call your utility to disconnect at the meter.

Where is my main water shut-off valve?

Where the supply line enters the house: a basement or crawl-space wall facing the street, the garage, near the water heater, or outside at the meter box. Finding it before an emergency is the single best five-minute preparation a homeowner can do.

How fast does mold start after water damage?

Mold can begin colonising damp materials within 24–48 hours, which is why professional drying within the first day matters more to the final bill than almost anything else.

Should I start cleanup before the insurance adjuster comes?

Document first (photos and video of everything, including the failed part), then yes — policies require reasonable steps to prevent further damage, and emergency mitigation is typically reimbursable. Keep damaged materials for the adjuster rather than hauling them away.

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Sources & methodology

Every figure on this page comes from the published references below — never invented, never inflated. Costs are national ranges; your local market, access, and materials move real quotes in both directions.

This is general information, not insurance, legal, or engineering advice. Estimates are planning ranges, not quotes — always get on-site assessments, and confirm coverage against your own policy wording or with your insurer.