Converting agricultural
land to housing and industrial sites has worsened environmental
impacts (Suhari and Siebenhuer, 1993), and excessive groundwater
extraction in the Bandung basin has induced decrease in groundwater level and as a consequence land subsidence occurred.
Decrease in groundwater level in the Bandung basin was reported,
for example by Iwaco and Waseco (1990). Abidin et al. (2008)
reported that land subsidence in the Bandung basin might be
caused by several mechanisms, such as excessive groundwater
extraction, building loads, sediment compaction, and tectonic
activity