Disposing of solids waste to landfill is regarded as one of the most economical means of handling waste though landfills pose pollution threat to both ground and surface water resources. However, landfill liners and good landfill management practices may reduce the impact of water contamination by landfills. Chemical analysis of groundwater beneath and near two landfills from New Zealand and Lesotho (in Southern Africa) showed that there are higher concentrations of chemicals such as Chlorides, TDS and COD than average. The water was also found to contain higher amounts of heavy metals. High...