A Thesis Submitted in Partial Fulfillment of the requirement for the Master Degree of Science in Chemistry

A hydrochemical and environmental study has been conducted on lake Qarun, Fayoum governorate. Lake water was sampled along horizontal and vertical profiles. The main feeding sources of lake water El-Batts and El-Wadi drains were also sampled. Major chemicThe high salt content of drainage water to lake Qarun and the effect of evaporation led to a serious increase of salinity (average TDS =33570 ppm). The variation of composition of inflow water is dampened by mixing with the major bulk of lake water which