Daya Dukung Air di Kawasan Pariwisata Nusa Penida, Bali

The development of tourism in Nusa Penida in the last 4 years has increased rapidly. The development of tourism in Nusa Penida has been accompanied by a number of tourist arrivals and the increasing need for tourism accommodation facilities in Nusa Penida. The growth of the Nusa Penida Tourism Area has an impact on the increasing need for water to support tourism activities. Analysis to determine the existing water supply capacity is very important for the sustainability of community life and tourism in Nusa Penida. The data source uses primary data which is the result of direct observation at the research location and data sources from literature or previous research. Water demand for Nusa Penida tourism in 2028 is estimated at 94,542,400 m3 per year. The status of the water carrying capacity with a source of surplus rainfall is 901,002.56 m3 per year. The status of water carrying capacity from 10% of existing water sources in 2028 is a surplus of 2,433,865,856.44 m3 per year. The status of water carrying capacity from rainfall +10% of existing water sources in 2028 has a surplus of 2,529,309,259 m3 per year. Meanwhile, water from rainfall and all springs in 2028 will experience a surplus of 34,958,390,240 m3 per year. Keywords: water, necessities, Nusa Penida, tourism, supply