After the earthquake of Nepal in 2015, a study was conducted the risk mapping and carried out analysis of the selected water supply scheme (WSS) at all links in the water supply chain from source to consumers and also determined the functionality status of WSS in the post-earth quake scenario by developing a standardized user guidebook and methodologies. A mobile based tool KOBO was used to collect the data and information and findings were linked with Google Earth. The assessment was conducted in 1504 WSS in 7 severely earth quake affected districts. Different 16 risks were identified and the assessment was conducted by developing the score in different 5 parameters. The overall risk has been classified in to three categories. It was found that 21.4% of the total schemes have high risk, 21.7% of the schemes have medium risk and 56.9% of the schemes have low risk
