Sustainable water resource management: rooftop rainwater harvesting as supplementary clean water supply in Malaysia
2004
Azizi Muda | Mohd. Kamil Yusoff | Rosta Harun | Lee, Su Seng
As Malaysia continues to develop industrially and its urban population increases, the pressure on our country`s water supply intensifies. More demand of clean water is needed and expected to rise in line with physical development. At the same more potential sources of pollution are appearing. Domestic sewage, factory effluent discharges, oil spillages and soil erosion all contributed to the pollution of Malaysia`s rivers and become a threat to human health where water quality is concerned. A rapid land and infrastructure development particularly in the upper streams have some how affected water catchment`s areas and further dry season resulted in with a serious impact on quality water supply for all domestic purposes. The level of water pollution in Malaysia`s rivers continue to rise year by year and our dependence on rivers or natural reservoirs, as clean water supply resource will significantly drop in water quality in the near future. However, Malaysia is blessed with an abundant rainfall each year. A few hundred million cubic meters of clean an quality water are sent directly to our rooftop and housing area and yet we let it waste as surface water run-off. We rather build reservoir, water treatment plants and massive water piping systems as a mode of clean water supply. This paper focuses on a study conducted to reveal the potential of rainwater harvesting as a clean water supplement through a residential area. A field survey was conducted on the water consumption pattern at a residential area. This study on rainwater harvesting system can be the next alternative in tapping into sustainable water resource management.
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