Six First Steps After a Basement Flood

Basement Flood

Many types of water inundation inside a house will end up in the basement if the volume of water is significant. A flooded basement will not drain or dry out on its own. It rapidly becomes a stagnant source of structural damage and mold contamination, as well as a danger zone for hazards like electrocution. Several important steps must be taken as soon as basement flooding is discovered. 

First, what not to do: Don’t assume the basement is safe. All basements contain electrical wiring and often outlets and appliances. Electrocution is a real hazard in a flooded or wet basement. Never contact or wade into standing water in a basement until an electrician has cut off electrical power to any circuits that are affected by water.

Once electricity is off and it’s safe to do so, here are some suggested steps to take:

  • Determine where the water’s coming from. Is outdoor flooding due to heavy rain entering the basement? Or, is it clean water emanating from a ruptured supply pipe?
  • If the water originates from a ruptured household supply line, turn off water to the house at the main shutoff valve if the valve can be safely accessed. Call a plumber for emergency service if necessary.
  • Sewage backups frequently enter the basement first because it’s the lowest point in the house. Raw sewage poses a toxic hazard and must be handled by experienced water damage professionals equipped for the job. Avoid entering the basement and keep children and pets out, as well. If you must enter, it’s advisable to wear gloves, eye protection and a breathing mask.  
  • Seek professional advice about removing water more than a foot deep. Deeper basement water should be removed in stages. Pressure from saturated soil surrounding basement walls may cause the walls to collapse if all water is pumped out at once.
  • Mold growth is triggered in 24 to 48 hours after basement flooding occurs. After water is removed, qualified mold remediation services are required to prevent contamination.
  • To prevent recurrence of basement flooding, consider installing a sump pump in the basement floor

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