Abstract
Identification of springs that as sources of clean water based on the spatial pattern of spring discharge in the karst region of Mount Sewu, Gunung Kidul Regency, Special Region of Yogyakarta was performed. This karst region is prone to drought. In June 2018, a drought occurred in at least 11 sub-districts of the Regency. It means that new sources of clean water are urgently needed. Variations in discharge were obtained using data on spring elevation, rock transmissivity and water balance. The result shows that springs located at lower elevations have relatively lower water discharge compared to springs at higher elevations, while the transmissivity of aquifer rocks is directly proportional to the amount of spring discharge.
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