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What to Do in the First Hour After Flooding Starts

Last updated October 25, 2026

The short answer

Safety First

Your safety comes before everything else. If water is rising, do not walk into it unless you are sure the power is off. Floodwater can hide electrical hazards, sharp objects, and contaminants. If you have any doubt about the electrical system, shut off the main breaker from a dry location.

If the flooding is from a burst pipe, turn off the main water valve to stop the flow. If you live in Burnsville, keep your shutoff valve location written down so you can find it quickly. Never enter a flooded basement if the water has reached electrical outlets or appliances.

  • Shut off electricity at the breaker if safe
  • Turn off the main water valve for plumbing leaks
  • Wear rubber boots and gloves if you go in water
  • Avoid touching electrical cords or panels
  • Watch for sharp debris and slippery floors
  • Evacuate if the water rises quickly or you smell gas

Document Everything

Photograph and video every affected area before you move anything. Capture close-ups of the water line on walls, soaked furniture, and wet flooring. Also record the time and date if your phone adds that automatically. This visual record helps your insurance company understand the scope of the damage.

Move important documents, electronics, and sentimental items to a dry, high spot. If you can, place furniture legs in blocks or pans to keep them out of the water. Do not throw anything away yet. Your insurance company may need to see items before you discard them.

Start Water Removal

If the water is shallow and the power is off, you can begin removing standing water with a pump, wet/dry vacuum, or buckets. For a flooded basement, a sump pump or a submersible pump can pull out several inches of water per hour. Work from the outside in, so you do not push water into dry areas.

Be careful with pumps and vacuums. Never run electrical equipment if you are standing in water. If the water level is above your ankles, or if you are unsure about the source, stop and wait for local water damage pros. They have the equipment and training to handle deeper or contaminated water.

  • Use a pump or wet/dry vacuum for shallow water
  • Work from the edges toward the center
  • Open windows or use fans to increase airflow
  • Do not use electrical equipment in standing water
  • If water is contaminated, stop and wait for the pros

Protect Your Belongings

Move rugs, curtains, and upholstered furniture to a dry area if you can. Hang wet rugs over a railing or clothesline to air out. Do not fold or stack wet items, as that can cause mold to grow faster. Save samples of carpet and upholstery fabric for your insurance records.

For wood furniture, dry it with a soft cloth and then let it air dry slowly. Do not use heat to speed up drying, as that can warp the wood. If you have important papers, put them in a plastic bag and refrigerate them to slow mold growth until you can deal with them.

When to Call the Pros

If the water is deep, murky, or comes from a sewer or river, do not try to handle it alone. Contaminated water can carry bacteria and viruses. Also, if the flooding has soaked drywall, insulation, or structural wood, you need professional help to dry and sanitize the area properly.

The pros can extract water, set up industrial drying equipment, and assess hidden moisture. They can also handle the cleanup and restoration of drywall, flooring, and ceilings. The cost depends on the extent of the damage, the type of water, and the size of the affected area. Policies vary, and your insurer decides what is covered.

Need help right now?

Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.

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Frequently asked questions

Should I turn off the electricity during a flood?

Yes, if it is safe to do so. Turn off the main breaker from a dry location. If water has reached outlets or you are unsure, call an electrician. Never stand in water while touching electrical panels.

What should I do with wet carpet right away?

Remove as much water as possible with a wet/dry vacuum or towels. Then lift the carpet and pad to allow air to circulate. If the carpet is heavily soaked, it may need to be removed by professionals.

Can I use a regular fan to dry out a flooded room?

Yes, a fan can help circulate air, but it is not enough for major flooding. For serious water damage, you need industrial dehumidifiers and air movers. The pros use specialized equipment to dry walls and floors thoroughly.

Call Now (952) 522-6744