<![CDATA[Due to the restricted availability of land for urban settlements, riverbanks are frequently the preferred location for the establishment of slums or squatters. As part of the primary drainage system in urban areas, the expansion of slums or squatters along the watershed can diminish the capacity and sustainability of the drainage system's supporting infrastructure (parapet embankment, water pump, etc.). It is envisaged that the upgrading of slum settlements on riverbanks will not only enhance livelihood levels but also contribute to the watershed's sustainability as primary drainage. The research study area is located in Kampong Mojo, one of the pilot projects for slum upgrading settlements located on the banks of the Bengawan Solo River. This article seeks to determine how slum upgrading and infrastructure can contribute to the sustainability of the Bengawan Solo watershed’s supporting infrastructure. In this study, qualitative and spatial analysis were utilized, with data support provided by field observations, interviews, and document research. Furthermore, data and information will be analyzed in three stages: 1. mapping the land use change of infrastructure and settlement along the river; 2. identification of settlement riverside upgrading models; and 3. analyzing the relevance of settlement planning on the sustainability of the watershed infrastructure. The findings of this study indicate that, for a river to function ideally as main drainage and flood control, the development of watershed-supporting infrastructure must be encouraged by structuring land use along the river and strengthening the community's capability within.]]>
