The presence of elevated concentrations of nitrate (NO3−) in potable water has become a serious concern worldwide over the past few decades. Nitrate is a water soluble ion that does not readily bind to the soil causing it to be highly susceptible to run-off migration [1]. Point and non-point sources of nitrate contamination can include agricultural and urban runoff, disposal of untreated sanitary and industrial wastes in unsafe manner, leakage in septic systems, landfill leachate, animal manure, NOx air stripping waste from air pollution control devices. Nitrate, due to its high water solubility, is possibly the most widespread groundwater contaminant in the world, imposing a serious threat to drinking water supplies and causing ecological disturbances [2] and [3]. Increasing nitrate concentrations in drinking water causes two adverse health effects: induction of “blue-baby syndrome” (methemoglobinemia), especially in infants, and the potential formation of carcinogenic nitrosamines [4] and [5].