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How to Prevent Flood: 5 Tips to Minimize the Risk of Flood

Writer's picture: SMS Broadcaster AdminSMS Broadcaster Admin

Flooding is a common natural disaster in areas experiencing heavy rains. However, floods may also occur due to snow melts, increased seawater levels, and dam or levee failures. This natural disaster can be extremely hazardous. Therefore, you must know how to prevent flood to minimize flood risk. 

Some floods suddenly overflow dry areas without warning. It typically occurs in urban areas or areas near a failed dam. Meanwhile, other floods slowly overflow dry regions. This flood type is common in river banks, low-lying coastal areas, and plains. Ways preventing both flood types are almost similar.


The Importance of Preventing Floods

Some people are ignorant about preventing floods because they are unaware of or have never experienced the hazards of this disaster. Inundation can cause damage and disruptions. That is why both authorities and communities must perform various ways to prevent a flood.

Below are the hazards they will experience if they don’t do anything to prevent floods.

  • Damaged Infrastructure, Properties, and Possessions: Floods can damage or sweep away infrastructure, such as bridges and gas pipes. They can also damage or destroy houses, cars, and furniture.

  • Loss of Lives: Each year, floods kill 30,000 to 40,000 people worldwide. Flash floods have higher fatalities because their sudden and strong overflow can sweep people away or drown them.

  • Contamination: Floods can cause wastewater to contaminate fresh water. Therefore, people in the affected area cannot get clean drinking water. In addition, contaminated flood water can spread disease and make homes unhealthy.

  • Business and Transportation Disruption: Road and business closures frequently occur during floods. Consequently, people cannot perform their daily activities or important errands.


how to prevent flood

How to Prevent Flood

Sometimes, it takes only simple activities to prevent floods. However, in areas with high flood risk, the collaboration of communities and government agencies or authorities is required to prevent inundation. Below are several ways to minimize flood risk.

  1. Keep Drainages, Rivers, and Stormwater Pipes Clean

One of the ways of how to prevent flood is to keep waterways clean. Grease, trash, leaves, and debris can clog drainages, rivers, stormwater pipes, etc. Consequently, rainwater cannot flow freely and it overflows houses and other dry areas.

Therefore, it is important to clean waterways regularly. In some cases, communities must report debris buildup in rivers or other waterways to authorities because special equipment may be needed to clean it. In addition, communities must throw trash in the designated place.

  1. Ensuring Water Management Structures are in Good Condition

One of the tips on how to prevent a flash flood is to ensure that water management structures, such as dams and levees, are in good condition. If those structures are in bad condition, they can suddenly fail during heavy rains. 

Failed dams and levees can cause a flash flood. This flood type is more destructive than river floods. Therefore, it is essential to monitor water management structures and maintain them if they are not in good condition.

  1. Building Flood Barriers

Building flood barriers can prevent floodwater from inundating dry areas behind the floodgate. These barriers may consist of a complex system of floodwalls, levees, and other structures. This system is typically for protecting large areas, such as harbors and low-lying coastal areas.

Other flood barriers have a simple system consisting of floodwalls and gates. The walls can be in the form of a stack of sandbags. This flood barrier type is ideal for preventing floodwater from overflowing houses and other private properties.

Aside from building flood barriers, homeowners can also apply other tips on how to prevent flood from entering their houses. One of these tips is sealing basement walls with a waterproofing compound.

  1. Planting Trees Around the House

Another way to prevent floods is planting trees around the house. Those who have vacant areas in their yards must consider planting trees on them. Trees absorb rainwater and prevent flooding. Therefore, their presence can stop a low-level flood in private properties.

  1. Reforestation of Cleared Lands

Aside from planting trees around communities, authorities must conduct reforestation. It is one of the best ways of how to prevent flood and landslide. Planting trees on cleared lands is beneficial for the environment.

Forests help the soil to absorb and store rainwater. In addition, trees in the forest can slow down the flow of floodwater. Moreover, the forest trees’ roots bind the soil together. Therefore, reforestation can minimize the risks of soil erosion and landslides.


How to prevent flood? Communities and authorities must work together to minimize flood risks. In addition to conducting activities that can prevent inundation, authorities must plan flood mitigation and early flood warning systems in low-lying areas. Therefore, they can minimize the fatalities of floods. 


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