摘要：Waste management, especially dump sites, are the most important problems in developing countries. For AlMisk Lake (Buraiman Lake), there is a threatening environmental problem, as for more than ten years thislake was used for the waste disposable site of Jeddah’s sewage. Now it is abandoned, but the leachout ofthe contaminant is still problem. A concrete dam was constructed to block the migration of contaminantsfrom the lake. The purpose of this research is to use the results of geophysical method integrated with thehydrogeological studies in delineating the contaminant layer emanating from the seepage of sewage waterfrom Al Misk Lake to the end of Wadi after the concrete dam. Vertical electrical sounding was applied todetermine the contaminated layer thickness in front and back of the dam. Also, the water samples werecollected from some wells to support the results of geophysical method. Results of the vertical electricalsounding show that there is a seepage of contaminated water in front of the dam and the thickness of thecontaminated layer at the back of the dam towards lake side is more than that in the front of dam. Whereas,the hydrogeological studies also show the concentration of ions, and TDS are more in back of the dam thanin the front.
