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In many regions in Iran, groundwater is withdrawn in an exceeded manner. In more than 200 plainsfrom 620 plainsin this country, the level of groundwater is declining. Since 1972, artificial feeding projects have become a major concern with the objective of maintaining the balance of groundwater. As to the structure and construct, it can be claimed that the most common methods of artificial feeding structures the basin and earthworks applied. The water price per m3varies in various areas, whilein the West of Iran, where due to high precipitation water abundance is prevailing, thus, lower price compared to arid and semiarid areas. According to this study, the average price of extracted water per m3 is about 500 Rls. The findings of this study indicate that, in many aquifers (about 200 aquifers) the groundwater withdrawal should be reduced. The artificial feeding projects should be implemented in areas that have been subject to study and are economically efficient. It is recommended to consider the issues related with hydrogeology and hydrology in these studies and to discharge the sediments periodically in order to enhance the efficiency of the projects. Since the aquifers are very deep in Iran,by considering the volume of pores, the feeding should be in a volume that it may increase the groundwater level.

The Contribution of Artificial Charging in Optimal Exploitation of Water Resources, Isfahan, Iran