Widodo B.1), Rully S.2), Donan W.3), J. Rahmadani.3), R. Lupiyanto 3)
1) Environmental Engineering Department, FTSP, Universitas Islam Indonesia (UII) 2) Student of Environmental Engineering Department, FTSP, 3) Center for Environmental Study (PSL), UII
(The Proceeding of INTERNATIONAL SEMINAR On "The Reflection of Three Years of Yogyakarta Earthquake for Anticipation Future Earthquake Disasters" 27th May 2009, Master Program in Civil Engineering, Faculty of Civil Engineering and Planning, UII)
Abstract
Clean water is the main necessary for daily life, moreover after the earthquake. There are many dried well, after earthquake in 2006 that happen in Bantul,
is the real condition for the limited clean water availability. Clean water that is supplied by tank trucks can not cover all societies’ need. In the rainy, with the rain fall average 200 mm/month, it could be good moment to sufficient the needing of clean water by using Rainwater Harvesting (RWH) method. The catchment area can be done by using tent’s roof to be flowed into storage tanks, for example bucket, drum or canvas. Generally, the quality of rainwater in Yogyakarta and surrounding areas are good enough and it is enough only by boiled it before consumed. But, if the quality of water is not good enough, it can be done by alternative of simple water treatment which is by filtering that use media such as grass, sand, gravel etc. This rainwater harvesting is considered to be alternative solution to sufficient clean water for disaster area, so that the priority of recovery in emergency and post disaster moment will be more focused on the victims not other problems.
is the real condition for the limited clean water availability. Clean water that is supplied by tank trucks can not cover all societies’ need. In the rainy, with the rain fall average 200 mm/month, it could be good moment to sufficient the needing of clean water by using Rainwater Harvesting (RWH) method. The catchment area can be done by using tent’s roof to be flowed into storage tanks, for example bucket, drum or canvas. Generally, the quality of rainwater in Yogyakarta and surrounding areas are good enough and it is enough only by boiled it before consumed. But, if the quality of water is not good enough, it can be done by alternative of simple water treatment which is by filtering that use media such as grass, sand, gravel etc. This rainwater harvesting is considered to be alternative solution to sufficient clean water for disaster area, so that the priority of recovery in emergency and post disaster moment will be more focused on the victims not other problems.
Keywords: rainwater harvesting, earthquake, mitigation, water supply
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