Flooding: Types, Causes, Effects, Damages And Prevention.

Flooding is a temporary overflow of water onto land that is normally dry. Floods are the most common natural disaster in the United States. Floods may result from rain, snow, coastal storms, storm surges, and overflows of dams and other water systems.

They may develop slowly or quickly, Flash floods can come with no warning. Floods can also contaminate drinking water and lead to diseases.

What Causes Flooding?

Flooding occurs most commonly from heavy rainfall when natural watercourses do not have the capacity to carry excess water. … In coastal areas, water inundation can be causedby a storm surge as a result of a tropical cyclone, a tsunami or a high tide coinciding with higher than normal river levels.

8 causes of floods

  • Heavy Rains.
  • Overflowing Rivers.
  • Broken Dams.
  • Urban Drainage Basins.
  • Storm Surges and Tsunamis.
  • Channels with Steep Sides.
  • A Lack of Vegetation.
  • Melting Snow and Ice.

What kind of damage do floods cause?

Floods have large social consequences for communities and individuals. As most people are well aware, the immediate impacts of flooding include loss of human life, damage to property,destruction of crops, loss of livestock, and deterioration of health conditions owing to waterborne diseases.

What are the precautions of flood?

Do not walk or drive across flood waters. Avoid recreational contact with flood waters due to the unknown amount of raw sewage, waste chemicals and the risk of drowning. Stay away from floodwaters. If you come upon a flowing stream where water is above your ankles, stop, turn around and go another way.


How can we be safe from floods?

  • Do not walk, swim, or drive through flood waters. Turn Around, Don’t Drown! …
  • Stay off of bridges over fast-moving water.
  • Determine how best to protect yourself based on the type of flooding. Evacuate if told to do so.

Prevention from flooding

Flood water can be heavily contaminated with sewage and other pollutants. It can cause sickness and infections. If your house has beenflooded and you have a well, don’t drink the water. … Household items that have been flood-damaged will have to be discarded according to local regulations.

How can Flooding be prevented?

Drainage systems should also be covered to prevent litter from getting into them. Trees, shrubs and grass help protect the land from erosion by moving water. People in low-lying areas must be encouraged to use a lot of vegetation to help break the power of moving floodwater and also help reduce erosion.

Read also: Tsunami

How can I prevent my house from been flooded?

Raise your home on stilts or piers.

Install foundation vents or a sump pump.

Apply coatings and sealants.

Raise your electrical outlets and switches.

Install check valves on your pipes.

Grade your lawn away from the house.

Make space between your mulch and siding.

How can Flooding be prevented?

Drainage systems should also be covered to prevent litter from getting into them. Trees, shrubs and grass help protect the land from erosion by moving water. People in low-lying areas must be encouraged to use a lot of vegetation to help break the power of moving floodwater and also help reduce erosion.

Effect of flooding

Floods have large social consequences for communities and individuals. As most people are well aware, the immediate impacts of flooding include loss of human life, damage to property, destruction of crops, loss of livestock, and deterioration of health conditions owing to waterborne diseases.

Different Types of Floods?

  • Coastal Flooding.
  • River Flooding.
  • Flash Flooding.
  • Groundwater Flooding.
  • Drain and Sewer Flooding.

How can you survive a flood

After 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.
  • Avoid moving water.
  • Be aware of areas where floodwaters have receded.
  • Stay away from downed power lines and report them to the power company.

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