Essential element contents of surface and artesian well water in Yangon area

ABSTRACT

A total of 91 samples of water collected from 18 townships within Yangon area comprising 31 numbers of surface wells and 60 numbers of artesian wells were chemically examined. All samples were determined for their concentrations of elements such as iodine, calcium, magnesium, iron, copper and zinc with the corresponding depths of wells. Average iodine contents of water was found to decrease as the depth of well increased. Magnesium concentration was also observed in the same manner as iodine. Calcium concentration was more in surface well water and no difference among artesian wells water. There was no relationship between calcium concentrations and the depths of the wells.