Many Asian cities have greatly relied on groundwater in the course of their development. Large populations and concentrations of industrial activity in urban areas intensified the stress on groundwater. Such stress has resulted in environmental problems, such as the drawdown of water tables, land subsidence and saltwater intrusion, which interfered...

The demand for groundwater in Sri Lanka has grown rapidly over the past few decades, mainly as a result of population growth, economic development, and shortages in rainfall. Recent estimates show that over 55 percent of the population now relies on it for their daily needs. As a free, easily tapped commodity groundwater is used in a wide variety...