Аннотация:Mobile Phone (HP) is a mobile communication system that has been popular in the community in Jakarta. Because HP can be taken anywhere it is appropriate as a means of information dissemination. Flood is a very distressing event that the public, especially residents of Jakarta. Not just traffic jams everywhere, but also can stop the activities of the community. This research uses knowledge base to inform the distribution of flood area based correlation between the heights of water surface at the water gate with a distribution area of flood water. A knowledge base flood data area and the water levels in water gate for the preceding year are set up manually by gate attendant, the attendant can up-date when the data changes. In this system there is interaction between the gate attendant, systems and society: Gate attendant update the floodgates data into the master. When updating the master of gates, floodgates required name, map coordinates and their gate.Dissemination of information is by the use of Distributed Information Systems of flooded areas can be done quickly and widely. This system is expected to be developed continuously in order for the water levels at the floodgates can be updated in real time and integrated with flood area information systems.
