Potensi Debit Air Sungai Bawah Tanah Gua Bendo Untuk Ketersediaan Air Kelurahan Bayemharjo Kecamatan Giritontro Kabupaten Wonogiri

The research was conducted in karst region entitled Water Discharge Potential of Bendo Cave Underground River for Water Availability in Bayemharjo Village Giritontro Subdistrict of Wonogiri. The aim of this reasearch is to: (1) Evaluate the water discharge of Bendo cave underground river to community needs of water in Bayemharjo Village. (2) Know the pattern of domestic water use in the Bayemharjo Village, and (3) know water use management by resident of Bayemharjo village. The method used is survey. The sampling method used is the Stratifed Random Sampling by considering water source the residents of Bayemharjo Village. The analysis of the results in this study used comparative descriptive and qualitative analysis. Comparative descriptive analysis to compare the results of the quantity of underground river water flow in Bendo cave with the amount of daily water needs of the residents of Bayemharjo Village, it also used qualitative analysis to determine the pattern of domestic water use and management of water use by resident of Bayemharjo village. The result of this research are (1) the water discharge of bendo cave underground river has not been able to meet the water needs of the residents of Bayemharjo Village, both during the dry season and rainy season (2) The pattern of water use in the dry season according to the source of the spring is 97.15 liters/person/day, according to the origin of the lake water source of 58.05 liters/person/day and according to the origin of the water tank is 69.72 liters/person/day. The pattern of water use in the rainy season according to the origin of the spring and PAH is 109.91 liters/person/day, according to the source of the lake water source and PAH is 84.14 liters/person/day and according to the origin of PAH is 90.96 liters/person/day. (3) Water management in the karst area must consider aspects of maintaining water resources and aspects of water use. Keywords: Water Discharge, Domestic Water, Water Management