Mechanisms of Groundwater Pollutants Transport in Tulkarm Area / Palestine

This study aims at investigating the mechanisms of pollutants transport based on geological formations. The study classifies two sub-aquifers groups. The first group are wells which dogged within Senonian Abu Dis format ion, and are mostly used extensively for municipal purposes. The second group are wells dogged with the most top Jerusalem-Hebron formation o f Tu ronian age and mostly used frequently for irrigation purposes. The first group shows a high deteriorated water quality with ionic mo lar ratios bears the ratios fro m Wastewater stagnant in adjacent Zomar stream. The stream bed lays directly over Jerusalem formation wh ich pro motes the pollutant transport directly to the uptake zone. Ho wever, the effect of such stagnant become less in dilut ion time of winter. Septic tanks surrounded these wells are constructed within the top 5 meters of Senonian formation, which mean that the leakage fro m septic tanks is not that ease to significantly affect the groundwater quality. The second group are mostly subjected to direct rainfall infiltration this can be indicated through the higher Sodiu m values which are related to the ion exchange through limestone profile. The results emphasize the need for further procedures to mit igate the pollutants plume migration fro m Wadi to the surrounded environment.