ANALISIS PENGEMBANGAN MANFAAT SITU (STUDI KASUS : SITU CANGKUANG, KABUPATEN GARUT, JAWA BARAT)

Abstract

Situ in english is nearly meaning with lake. It is a reservoar in the surface of earth which naturaly shaped,also it can be shaped artificialy.Lake can be act as the water resource, water in the lake heve been coming from ground water, run off from rainfall, or supplied from river. The exist of lakes inside some areas is very important in create the hydrology equlibrium and run off arrangement. Also lakes can be used as a water resources for supply resident or domestic water demand, irrigation, ground water recharging, fishery, avoid sea water intrution, alernate energy, and tourism. In order to maximie the potential purpose of lake it is important to be knowed the water to be used and it alocation, the amount of water discharges flow inside lake and lake pit volume. Determination of dependable discharge for the lake must be consider by wacth all water resources which contribute to the lake as a reservoar. Situ Cangkuang has two resources there are run off from its catchment area it self and the water discharge that can be suplied from Cipapar Dam, Cipapar River. In this research, analysis was done by calcutating the various water demand, and comparing with available water supply with water balance principle.Then it can be known ideal volume, that is area and depth of the lake, in orther to give optimum benefit for the society. Key words: water demand, water supply, rainfall, run off, lake