Prediksi Kebutuhan Air Sektor di Kawasan DAS Cidanau Hulu

Abstract

Water is the most important thing for life, including domestic, industry, agriculture, and animal husbandry . Upstream of Cidanau watershed is a region that has a population that is growing increasingly rapidly. During this time, the availability of water for the fulfillment of raw water needs derived from Cidanau River. The development of the upstream region increase progressively with the growing of economic and population sector. Therefore, the goal of this research is to analyze the water requirement in the region of Cidanau watershed that is Sub-district Cinangka, Padarincang and Ciomas, and also to predict the water needs in the region. This research is expected to provide information about the water requirement on every sector in the upstream region of Cidanau watershed and provide information about the water requirement in the region that will come, so that it can encourage the balance between development and water management. The necessary data are data in Cilegon city figures in 2005, 2008, and 2011. Based on the calculation, it can be concluded that water requirement in the upstream region of Cidanau watershed in 2005 until 2011 has increased with the teritory. In 2050 water requirement in order to achieve food self-sufficiency is at 2.1 m3/second.