However, when we are talking about the water sheds it is just not a small quantity of water but we are talking about huge volumes. So, a lot of water can actually drown an entire city. A combination of rains and excessive water can form the perfect recipe for a flood.
When it rains the water levels constantly rise up and the rivers or lakes that act as water sheds cannot hold anymore water and so they also start overflowing and this results in a major flood. Even humans are some of the contributing factors to a flood actually. With so much development in the form of roads, infrastructure and buildings, there is very left ground left. So, there is no mud left for absorbing the water that comes in the form of rainfalls. If there are drains available, then the waters naturally flow into the drains and then led to the sea. However, when the drains are full due to continuous rainfall, then the cities get