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Department of Irrigation and Drainage
Ministry of Natural Resources, Environment and Climate Change 
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Rainwater Harvesting System

Introduction RWH
The direct collection of rainwater from roof and other purpose built catchment, the collection of sheet runoff from man-made ground or natural surface catchments and rock catchments for domestic, industry, agriculture and environment use. The system can be categorized as small, medium and large scale.
Why use RWH?
  • Utilising an otherwise wasted resource would contribute towards
  • sustainable water resources management especially in cities.
  • Domestic/Industrial benefits
  • Supplement water for industrial, commercial, agricultural, institutional and domestic use.
  • Independent water supply for non potable use.
  • Rainwater collection will reduce water bills.
  • Additional water for fire protection/emergency use
  • Environmental benefits
  • Minimizing discharges into drainage systems.
  • Reduce soil erosion.
  • Improvement of river management.
Advantanges Using RWH
1. For Environmental:
  • Can be attributed due escalating environmental and economic cost of providing water by centralized water system or by well drilling.
  • To reduce the ultilization of portable water with using the collection rainwater for non-portable application such as toilet flushing and garden watering
  • Reduce the land erosion and flooding caused by runoff from impervious cover such pavement and roof.
2. For Quality Control
  • Capable of providing a clean, safe and reliable water source if the collection system are properly built and maintained and water is treated appropriately for intended uses.
3. For Quantity Control
  • Provide the small storage constructed on individual residential, commercial and industrial lot to serve a minor storm event.
List of RWH Project 
  1. At Zoo Negara, Hulu Kelang, Selangor
  2. Complex JPS Kuantan, Pahang Darul Makmur.
  3. Bungalow at Gombak, Selangor
  4. Long Houses at Betong, Sarawak.
  5. Mosque at Taman Bukit Indah, Mukim Hulu Klang, Daerah Gombak, Selangor.
  6. Sek. Men. Keb. Bukit Jalil, Bukit Jalil, Kuala Lumpur.
  7. INSTUN Tanjung Malim, Perak.
  8. Machenical & Electrical Division JPS Kuantan, Pahang
  9. Office Building of JPS Daerah Dungun, Terengganu.
  10. Office Building of JPS Daerah Hulu Terengganu, Terengganu.
  11. Building Complex Kg. Salak, Pulau Tioman, Rompin, Pahang
  12. Office Building of JPS Jajahan Pasir Puteh, Kelantan.
  13. NAWMI Kota Baharu, Kelantan.
  14. Universiti Tun Hussein Onn phase 1, Batu Pahat, Johor.
  15. Pusat Latihan Veterinar Cermin Kiri, Jerangau, Dungun Terengganu.
  16. JPS Headquarters.
  17. 2 storey Bungalow on lot 6056 & 6058, Mukim Dengkil, Selangor.
  18. JPS Daerah Seberang Perai Tengah Complex, Pulau Pinang.
  19. Metorologi (RADAR) Building at Bukit Gila, Sg. Buluh. Selangor
  20. 3 Units Long Houses at Batu Lintang, Sri Aman Division
  21. JPS Sri Aman Division
  22. Pasar Borong di Bandar Jengka, Daerah Maran
  23. Complex JPS Jalan Ranca-rancha


Last Updated 2016-12-16 15:46:30 by Administrator

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