Abstract
Recent years, ODA evaluation plays important role for improving quality of ODA activities and securing its accountability. Results based management is widely used in major aid agencies for ODA evaluation methods. This study proposed one of the methods for drinking water supply projects and applied the projects in Nepal and Philippines to evaluate as case study. This paper focused Impact of the projects by direct valuation of its beneficiaries. Water usage and effect expand structure of objected region are grasped by field surveys. The purpose of this study is to propose quantitative indicators of Impact for ODA evaluation of water supply sector, such as water consumption, carrying work and water quality.
