Article Outline River floods. Flood control Reducing flood losses. Flood Flood is a body of water that covers normally dry land.
Most floods are harmful.
They may destroy homes and other property and even carry off the topsoil, leaving the land barren. Sudden and violent floods, which leave people little time to prepare, may bring huge losses. Rivers, lakes, or seas may flood the land. River floods are more common, though lake and seacoast floods can be more serious. However, sometimes floods may be helpful.