FLOOD INUNDATION MAPPING FOR SATHANUR DAM

India has totally 4050 large dams and 475 are under construction as per the National Register of Large dams 2002. Some of these dams were built in the early 19th century and many during 20thcentury.Every dam need a flood inundation map during the heavy rainfall or dam break for dam operation so the main objective of this paper the flood inundation map was prepared for Sathanur Dam for the maximum discharge of 8000 cumces which was occurred in the year 1973 using HEC-RAS software. The totally capacity of the reservoir is 300.601Mm3 .