The stream is the largest in the northern Negev, and together with its largest tributaries, the Nahal Gerar, and the Beersheba stream, reaches as far east into the desert as Sde Boker, Yeruham, Dimona and Arad/Tel Arad.[1] The Gaza section of the Coastal Aquifer is the only significant source of water in the Gaza Strip.[2] The Wadi Gaza runs through a wetland, the Gaza Valley, and as of 2012 it is used as a wastewater dump.[3]