Indonesia

Abstract The Greater Jakarta occupies the northern zone of Java Island and the elevations of this plain vary from 0 to 1,000 m above sea level. It is one of the most developed basins in Indonesia and is located between 106 ° 33’-107 ° E longitude and 5 ° 48 ’ 30”- 6 ° 10 ’ 30 ” S latitude covering an area of about 652 km. The population of Jakarta at present is around 7.5 millions. As the water which is supplied by surface water only covers 30 % of water demand, people are harvesting the available groundwater in the basin, which has already caused a negative impact on these resources itself both quantity and quality. The changing environment as consequence of the development has also brought undesirable effects to the quantity of groundwater. Therefore, the proper groundwater management of this area should be identifie