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SUMMARY
From the flood analysis, it can be seen that the three statistical distributions for different return periods used in flood prediction estimates the flood discharges and shows that Lognormal distribution would be more reliable for the design and operation of vital infrastructures and for flood risk management and planning as well as for flood hazard mapping. This indicates that flood frequency analysis method is useful in flood risk assessment. With this statistical model, discharge of return period not included in this study can be estimated. These and other values obtained are vital for engineering design of hydrological structures such as levees, retention pond, storm water drains, culverts and reservoirs for protection of lives and properties downstream of the catchment. It also serves as a guide when designing and constructing structures that might be affected by flood within the study area.
