Abstract
There was flood event that occurred on January 30th, 2021 in Kuta Mandalika Lombok.There were many infrastructure damages but no injured people were reported.According to information, this January flood is the biggest flood that occurred in Kuta Lombok.The research method consists of is field survey that was carried out in order to figure out the actual condition of the flood, supporting data relating to the flood analysis was also collected from any competent sources.In order to analyze factors affecting the occurrence of the flood, data collection was conducted.According to all data collected, scientific analysis is performed to identify which factors contribute much to the occurrence of the flood.Analysis results, soil condition was saturated due to two consecutive days of rainfall, when the 145.5 mm rain came, the runoff coefficient was already high.Inundation was mainly caused by the blocking of buildings, therefore the water could not enter the drainage system.In the coastline area, inundation was also caused by high tide.There were two disaster mitigation plans.Short term to overcome which are physical action and urgent whereas long term mitigation plan to preventive and non-physical action.