Groundwater quality: Pakistan

Pakistan lies in southern Asia, bordered to the east by India, the west by Iran and Afghanistan and to the north by China (Figure 1). The total area is 803,940 square kilometres. Terrain consists of the flat-lying Indus Plain in the east, mountains of the Himalaya, Karakoram and Hi ndukush ranges in the north, hill regions (up to 4761 m) in the north-west, and the upland Baluchistan plateau in the west. Elevation ranges are extrem e, from K2 (8611 m) to the Indian Ocean (0 m)