In this study aim to simulate the flood area basin Lam Ta Khong. Then the models were used to create a map of the flood event recurrence in the year to use alarms in the future. Is in the process of simulation results. The simulation of the flow in the river is also a result of validation is not yet satisfied that the conditions in Lam Ta khong basin has managed a number of control structures. Which researcher has not simulate water management with the control structures.