Flood mitigation strategies for settlement area in Kediri District

Abstract

According to the Disaster Risk Index released by BNPB in 2013, Kediri District is one of the administrative areas in East Java with a high flooding disaster index. This flooding was also caused by population and residential increases. Based on BPS data from Kediri Regency, until 2019, there was an increase in the population of 0.5-1%. Until 2019, the population increased by 8%, accompanied by an increase in residential areas by 25%. Act Law Number 24 of 2007 Article 47 states that to reduce disaster risk for people living in disaster-vulnerability areas, so has to identify the vulnerability of flooding area, do an evaluation of the land suitability for residential area, after that have to take some mitigation strategies. Technically, before developing a mitigation strategy, it is necessary to identify areas vulnerable to flooding using the Flood Vulnerability Index method. After that, an evaluation of the land suitability of residential areas vulnerable to flooding is carried out using the Multi Criteria Evaluation method, followed by an analysis of the carrying capacity of the residential environment. The last, for determining the priority of the flood disaster mitigation strategy and the authorized institution using the Simple Multi-Attribute Rating Technique Exploiting Ranks method. The results showed that areas with a high flood vulnerability index were Badas, Kras, and Ringinrejo. The existing residential land is not suitable for settlement and has a low carrying capacity. So there are five criteria obtained along with alternative mitigation strategies suitable for being applied in Kediri District.