摘要: The water quality of many karst formations in southern Zagros macrotectonical unit is related to natural geological and hydrogeological conditions and ground water mismanagement. Evaporatic sediments inciuding: gypsum, anhydrite, salt, marl, and marly limestone are existed in some formations such as: Kazhdomi, Pabdeh-Gurpi, Gachsaran, Mishan and Agha Jari formations. This situation makes the covering layers of the karst formations changing the water quality by rainfall and runoff infil...