Abstract
This study aims to determine the optimal investment priority in flood control projects. Flood risk assessments result in priorities for flood protection. In addition, economic assessment involves a rational analysis of the feasibility of a project and the benefits of disaster prevention in prioritization. Therefore, effective flood risk and economic assessment methods need to be established to prioritize flood control projects. To this end, this study used the integrated index for Flood Risk Assessment (InFRA) and Net Present Value (NPV) to determine the priority investment in 28 cities and counties in Chungcheong Province. Sejong City was ranked first in the final investment priority list. In addition, on the basis of the scale of investment in the flood control project and river maintenance by nationwide trials, it was found that the investment priorities of Sejong City and other regions are consistent with the results of this study. Keywords: Flood Risk Assessment, Net Present Value, Priority of Flood Control
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