Sri Lanka is a tropical island situated in the Indian
Ocean with a total land area of 65,525 km2. Its
rainfall feeds a radial network of rivers that begin in
the highlands in the Central part. Some 103 distinct
rivers cover about 59,217 Sq. km. of their basins.
Large percentage of water resources in these basins
are mainly used for irrigated agriculture and
hydropower generation. Current population is
estimated to be around 18 million and it is projected
to be stabilized at 23 million by 2025.