Flood

The Dangers of Inland Flooding

  • While storm surge is always a potential threat, more people have died from inland flooding in the last 30 years.
  • Urban and small stream flash floods often occur in less than one hour.
  • What should you do?
    • When you hear about a hurricane think about inland flooding
    • Determine whether you live in a potential flood zone
    • If advised to evacuate, do so immediately
    • Keep abreast of road conditions through the news media
    • Move to a safe area before access is cut off by flood water
    • Do not attempt to cross flowing water. As little as six inches of water may cause you to lose control of your vehicle…two feet of water will carry most cars away.
    • Develop a flood emergency action plan with your community leaders.
    • Have flood insurance.  Flood damage is not usually covered by homeowners insurance.  Do not make assumptions.  Check your policy.
  • Before a Flood
  • To prepare for a flood, you should:

    • Avoid building in a floodplain unless you elevate and reinforce your home.
    • Elevate the furnace, water heater, and electric panel if susceptible to flooding.
    • Install "check valves" in sewer traps to prevent flood water from backing up into the drains of your home.
    • Construct barriers (levees, beams, floodwalls) to stop floodwater from entering the building.
    • Seal walls in basements with waterproofing compounds to avoid seepage.
  • During a Flood
  • If a flood is likely in your area, you should:

    • Listen to the radio or television for information.
    • Be aware that flash flooding can occur. If there is any possibility of a flash flood, move immediately to higher ground. Do not wait for instructions to move.
    • Be aware of streams, drainage channels, canyons, and other areas known to flood suddenly. Flash floods can occur in these areas with or without such typical warnings as rain clouds or heavy rain.
  • If you must prepare to evacuate, you should do the following:
    • Secure your home. If you have time, bring in outdoor furniture. Move essential items to an upper floor.
    • Turn off utilities at the main switches or valves if instructed to do so. Disconnect electrical appliances. Do not touch electrical equipment if you are wet or standing in water.
  • If you have to leave your home, remember these evacuation tips:
    • Do not walk through moving water. Six inches of moving water can make you fall. If you have to walk in water, walk where the water is not moving. Use a stick to check the firmness of the ground in front of you.
    • Do not drive into flooded areas. If floodwaters rise around your car, abandon the car and move to higher ground if you can do so safely. You and the vehicle can be quickly swept away.
  • After a Flood
  • The following are guidelines for the period following a flood:

    • Listen for news reports to learn whether the community’s water supply is safe to drink.
    • Avoid floodwaters; water may be contaminated by oil, gasoline, or raw sewage. Water may also be electrically charged from underground or downed power lines.
    • Avoid moving water.
    • Be aware of areas where floodwaters have receded. Roads may have weakened and could collapse under the weight of a car.
    • Stay away from downed power lines, and report them to the power company.
    • Return home only when authorities indicate it is safe.
    • Stay out of any building if it is surrounded by floodwaters.
    • Use extreme caution when entering buildings; there may be hidden damage, particularly in foundations.
    • Service damaged septic tanks, cesspools, pits, and leaching systems as soon as possible. Damaged sewage systems are serious health hazards.
    • Clean and disinfect everything that got wet. Mud left from floodwater can contain sewage and chemicals.

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