The sediment accumulation is not only caused by the action of a river that flows from the North. But it is also caused by the action of a river that flows from the West side and the East Central Plains that surround it. The River on the West side include Mae Klong River, the Sakae krang River. The River on the East side are important. Lopburi River PA SAK River and the bang pakong River, until finally continued the same plain canvas, both upper and lower.