Methane, ethane, and propane gas are the source of natural groundwater pollution. Groundwater could be polluted by the methane, ethane, and propane gas if there is an oil drilling site nearby the groundwater basin. The process of oil extraction makes these three kinds of gas released from its source, which is the oil. read more
A: Natural: groundwater contains some impurities, even if it is unaffected by human activities. [ The types and concentrations of natural impurities depend on the nature of the geological material through which the groundwater moves and the quality of the recharge water. read more
Consequently, groundwater pollution, sometimes referred to as groundwater contamination, is not as easily classified as surface water pollution. By its very nature, groundwater aquifers are susceptible to contamination from sources that may not directly affect surface water bodies, and the distinction of point vs. non-point source may be irrelevant. read more