“…In this case, the increases in built-up areas, population, economic and industrial activities, will then increase groundwater extraction and also buildings and infrastructure loadings; which usually in turn lead to land subsidence phenomena. The relatively very rapid urban development of Jakarta as a megapolitan city is mainly in the sectors of industry, trade, transportation, housing, hotel and apartment, and many others (Firman, 1999(Firman, , 2004Hudalah et al, 2013); and they have introduced several negative environmental problems (Firman and Dharmapatni, 1994; Hu- dalah and Firman, 2012), such as: extensive conversion of agricultural areas into residential and industrial areas, significant disturbance to ecological and hydrological functions of the upland of Jakarta area and river catchment areas, and increase in groundwater extraction due to development of industrial activities and the high population increase. Coastal area of Jakarta which is mainly composed by relatively young and soft alluvium soil, has also experienced extensive urban development, such as establishment of sea port, coastal resort, golf course, residential areas, industries, apartments, malls, hotels, and commercials and office buildings.…”