Rain water harvesting: Barrier, potency and projections. Case study: Keputih, Kejawan and Gebang Putih Surabaya

The rainwater harvesting locally collects and stores rainfall through different technologies, for future use to meet the demands of human consumption or human activities. However, rainwater harvesting has much wider perspectives, in particular, if it is considered in relation to its role in supporting ecosystem goods and services. There are challenges and different implications in rain water harvesting practices in Urban and sub urban area, especially when it applied in the low income community area. The case study are Kampongs in near campus area, which are the low-middle income community that expected to be relatively "educated" compare to the other low income community in the others part of Surabaya. The results shows that the study area has a unique characteristic of spatial contour and demographic background which allow this area to adopt a rainwater harvesting technic both in urban and rural practice. Therefore, the rainwater harvesting implementation in the study area will resulting many benefits to the community. Furthermore, the surveillance from the context of water needs reveal that the community in general is appertain to the water scarcity. On the other hand, the settlement environment is enable to be applied by the rainwater harvesting practice.