Abstract

The ongoing degradation of the water quality of the Gaza Coastal Aquifer (GCA) is of a great concern for the different authorities and agencies involved in the water sector in the Gaza Strip, Palestine. The GCA is almost the only source of fresh water to over 1.5 million residents where it is utilized extensively to satisfy agricultural, domestic, and industrial water demands. The aquifer is currently being overpumped where pumping largely exceeds total recharge. In addition, manmade sources of pollution endanger the water resources supplies in the major municipalities of the Gaza Strip. Many water quality parameters in the GCA presently exceed the maximum contaminant level (MCL) of the US Environmental Protection Agency drinking water standards, especially for nitrate and chloride. This case study analyzes nitrate concentration distribution for the GCA at different levels such as land use classes and sampling depth. Nitrate concentration data from 1990 and from 2000 to 2004 were compiled and assembled in...

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