Pengurusan Sumber Air Mapan di Pulau Pangkor

This research note is about the sustainable water management with special emphasis to hydrological characteristics, population trend and water demand projection. Aspects evaluated include precipitation and run off trends in Pulau Pangkor, water processes, distribution and management effeciency in water resources. This note also calls attention to the population growth from 1995 to 2020 particularly its relations to the per capita water consumption as recommended by the Malaysian Water Association guidelines. The results reveal that precipitation is a major source of fresh water in Pulau Pangkor. Mean precipitations recorded are 150 mm and 146 mm for both stations, namely the Stesen Kajicuaca Sitiawan and Stesen TLDM, Lumut. The correlation variant (C. V)for Stesen Kajicuaca Sitiawan is 30.81 percent while at Stesen Kajicuaca TLDM, Lumut is 36.50. Meanwhile, runoff calculation shows maximum value of 134.6 mm and minimum 99.4 mm as recorded at Station Kajicuaca Sitiawan. The Std. Deviation (S.D) and C.V are 20.07 and 14.91 percent. For Station Kajicuaca TLDM, Lumut, runoff was calculated from maximum of 164.5mm and minimum 109.1 mm. The S.D for this station is 15.89 with C.V is 12.24 percent. Presently, major fresh water resource in Pulau Pangkor is supplied from the main land with maximum capacity of 7.90 million litre waters per day. Per capita water consumption at Pulau Pangkor is higher than others with approximately 680.4 litre/person/day to 993.3 litre/person/day. Water demand projection indicates that domestic sector consumption at Pulau Pangkor will increase from 5.09 litre/day in 2006 to 5.94 litre/day in 2014 and 8.36 litre/day in 2020, respectively. In this regard, an efficient water supply management can not only supply adequate fresh waters but also avoid waste and deficit waters in the future.