Flooding is a natural phenomenon. Because of rain in lowland areas with large volumes and falling consecutively for a long time. And the water flow along the ground into the gutter. Streams and rivers If the river was not able to get the amount of water that would flood its banks into flooded areas or communities that do not drain completely, so when the rain for long periods at a time, often experiencing problems, causing flooding on land. Also known as "flooding", which cause damage to farmland and property.