Upper zone of Mae-On Watershed has the caused and main factor from the heavy rainfall for consecutive period time. The landscape within the area is mountainous with high slope covered with deciduous forest and has low potential for water absorption. As a result make water flows situation occur in immediately, the rate of flows quickly, the current strength. The sediment delivery from high to low. Damage to people who live along the water and water barrier flap damage. Problem solving and alleviate the severity of flood / Flash flood which Watershed Management by creating a fire line including regeneration and repair the forest to absorb water and make the slow runoff topsoil. Improve the rehabilitation of catchment basin pond water and sediment trap to sedimentation, bending and trap sediment, according to the design capacity