Abstract: The present invention is a system for communicating the flood risk of a property to a user comprising a computer network, a first computerized device for displaying flood risk information in electronic communication with a computer network, a first database connected to said network, where said first database contains flood zone information arranged by geographic coordinates, a second database connected to said network, where said second database contains terrain elevation data arranged by geographic coordinates, a third database connected to said network, where said third database contains rainfall data arranged by geographic coordinates, a fourth database connected to said network, where said fourth database contains a record of prior flooding arranged by geographic coordinates, a fifth database connected to said network, where said fifth database contains a record of losses arranged by geographic coordinates, and a second computerized device connected to said network which calculates flood risk information

Abstract: A liquid filled dike is described. The dike is formed of a flexible material selected to contain water. The dike includes at least two bladders which extend at least a portion of the length of the dike. The dike can be transported in empty condition and filled on site. When it is no longer required at a particular site, the dike can be emptied and stored for later use. The dike is self-leveling and may include a leak detection system.