The unconfined aquifer in the study area overlooks the Gulf of Aqaba; this classifies it as a coastal aquifer. All over the world, coastal aquifers are considered as an important source of water, with the fact that, many of coastal areas are heavily analyses; the need for fresh water becomes even more acute. Encroachment of seawater towards the groundwater body is a kind of pollution with respect to the groundwater; it inherits the groundwater higher...