Pasak River is an important river of Lopburi and Saraburi, whether in agriculture and fishing. But in August - October each year to flooding in Lopburi and Saraburi included. Ayutthaya Metropolitan For the period January - May, it will droughts water for consumption and agriculture, with a concern for people. Majesty seek redress grievances of the people, by the "cruelty" of the river turned into a popular unobtrusively on February 19, 2512, His Royal Irrigation Department has been studied. appropriateness of the dam catchment of the river. To remedy the shortage of water and flood mitigation in a wild group.