Surface water consists of the various canals, as well as the pus basin swamp scattered across the country, according to the sectors treated surface water sources and supports the natural rain water.
Surface water sources include various water basins, canals and swamps that are distributed by various sectors. Nationwide, it is a source of ground water and rainwater is naturally compatible.
The reservoir surface consists of water, as well as the group various ditch canal Nong, swamp, scattered along the ภาคต่างๆ. The whole country is considered the source of water and rain water surface is supported in nature.