The First 24 Hours After Water Damage: What to Do

Updated October 2026 · About 7 minutes to read

What you do in the first day decides most of what the next month costs. Water keeps moving after the leak stops, into subfloors, wall cavities and insulation, and the clock on mold starts within a day or two. This is the order of operations, written for someone reading on a phone with wet socks. Safety first, then stop the water, then record, then dry.

Is it safe to stay in a house with water damage?

Answer three questions before anything else.

• Is electricity touching water? If outlets, cords, power strips or appliances are in standing water, or water is dripping from a ceiling near light fixtures, do not walk through it. Shut off the breaker for those rooms, or the main breaker if you cannot tell which, as long as you can reach the panel on dry ground. If you cannot, call an electrician or the fire department's non-emergency line and stay out.
• Is the ceiling sagging? A bulging drywall ceiling is holding water and can drop without warning. Stay out from under it. A small hole poked at the lowest point with a screwdriver, from the side, will drain it into a bucket in a controlled way.
• Is the water contaminated? Sewage, septic backup, or water that came up through floor drains is a health hazard. Keep children and pets out, do not touch it without gloves and boots, and leave cleanup to a company equipped for it. Anyone who develops symptoms after contact should see a doctor.

If the answer to all three is no, the house is generally safe to work in. Open windows if outdoor air is dry, which in Central Oregon it usually is.

What should I do first?

1. Shut the water off

   Main valve first; it is usually where the service line enters the house, often in the garage, crawl space or a utility closet. If the source is one fixture, the local stop under the sink or behind the toilet works. If the main will not turn, call the water utility.

2. Kill power to wet rooms

   At the breaker. Label what you turned off so nobody flips it back on.

3. Stop the spread

   Towels and a mop at the edge of the water. Move rugs off hardwood. Pull furniture off wet carpet or put foil or plastic under the legs so stain and rust do not transfer.

4. Record everything

   Video walk-through first, then photos. Details below.

5. Call

   A plumber if a pipe or appliance needs repair. A restoration company for extraction and drying. Your insurer to open the claim. All three can happen in the same hour.

6. Start moving air

   Box fans and ceiling fans help on clean water while you wait. Do not run them on sewage; they spread contamination.

7. Lift what you can save

   Books, papers, photos and electronics off the floor and out of the room. Wet drywall and carpet pad are usually not worth saving; furniture, hardwood and most contents often are if dried quickly.

What are the water damage categories?

The restoration industry's IICRC S500 standard sorts water by how dirty it is, and the category changes both the safety rules and the price.

• Category 1, clean water. Supply lines, water heaters, a tub left running, snowmelt from a roof leak before it touched anything dirty. Safe to handle. Most materials can be dried in place if work starts fast.
• Category 2, gray water. Dishwasher and washing machine discharge, toilet overflow with urine only, aquarium water, sump failures. Contains contaminants that can cause illness. Carpet pad usually goes; carpet sometimes stays.
• Category 3, black water. Sewage, septic backup, river or creek flooding, any water that has sat long enough to grow bacteria. Porous materials it touched, including drywall, insulation, carpet and pad, are removed and discarded. Protective equipment and antimicrobial treatment are standard.

Water also moves down the scale with time. Clean water that sits for two days in a warm house becomes gray. That is one reason the first day matters so much, and it is the key factor in restoration pricing, where extraction runs roughly $3.75–$4.25 per square foot for clean water and $7–$7.50 for black water in national data. The cost guide breaks that down.

How quickly should I call a restoration company?

Same day. Not because every leak needs a crew, but because the decision about whether it does should be made with a moisture meter, not a guess. The rules of thumb:

• Call now if water covered more than a small area, ran for more than an hour, reached a wall, came through a ceiling, soaked carpet pad, entered a crawl space, or is anything other than clean.
• Call now, no exceptions, for any sewage or septic backup, and for any burst pipe in a house that was empty when it happened.
• Probably manageable yourself if it was a few gallons of clean water on tile or vinyl, you caught it immediately, and nothing absorbent got wet. Dry it, run a fan, and check the baseboards and cabinet floors over the next few days for swelling or smell.

Independent restoration companies in Central Oregon typically offer 24/7 emergency response and a first visit that includes moisture mapping, which tells you how far the water went before anyone commits to a scope. Oregon's CCB requires a Residential Restoration Contractor endorsement for that work and a general or specialty endorsement for any tear-out, so verify the license at the CCB search before signing. If you want several Oregon CCB-licensed companies to reply with no-obligation quotes, describe what happened once; for a running leak, the emergency water extraction page explains what the first visit covers.

What should I photograph?

Insurers and contractors both work from your record. Shoot more than feels necessary.

• A continuous video walk-through of every wet room before you move anything, narrating the date, time and what happened.
• The source: the split pipe, failed hose, water heater, roof area, or overflowing fixture. Keep failed parts if a plumber removes them.
• Wide shots of each room showing the extent of water, plus close-ups of the waterline on walls and furniture.
• Every damaged item, with labels or model numbers visible where possible.
• Under things: inside cabinets, under sinks, the crawl-space hatch, the bottom of furniture.
• Receipts for everything you spend, including fans, a hotel, or meals out if the kitchen is unusable.

Then do not throw anything away until the adjuster has seen it or told you in writing that you can. Wet carpet pad can go to the garage; it does not need to go to the dump yet.

Can I clean up water damage myself?

Small, clean, fresh: yes. Anything else: the risk is not the cleanup, it is what you cannot see. Household fans move surface air; they do not pull moisture out of a wall cavity. A week later the drywall paper grows mold on the back side and the job that would have been two days of drying is now tear-out and remediation. The mold after water damage page describes what that looks like and what it costs.

Who do I call for water damage in a ceiling?

Three calls, in this order. First, whoever can stop the water: a plumber for a supply or drain line above, a roofer for a roof leak or ice dam. Second, a restoration company to drain the ceiling, remove saturated drywall and insulation, and dry the joists. Third, your insurer. Ceiling leaks nearly always involve insulation, which holds water like a sponge and is the last thing to dry, so this is rarely a do-it-yourself job.

What happens on day two?

If a restoration company came out, expect drying equipment to run for several days, with a technician returning to take readings and move fans. Anything they removed should be listed. Keep the moisture logs for the insurer. If you handled it yourself, walk the room with your hand and your nose on day two and day four: cool spots, soft baseboards, swelling at cabinet toe-kicks or a musty smell mean water is still there. The Oregon insurance guide covers the claim side from here.