INTEGRATED RAINWATER HARVESTING (RWH) AND GROUNDWATER SYSTEM FOR DOMESTIC WATER SUPPLY

Siti Nazahiyah Rahmat (), Aziman Madun, Azra Munirah Mat Daud, Mohammad Sukri Mustapa, Mohammad Sukri Mustapa, Mohammad Mohammad Erwan Zaki Mat Radzi, Mohd Zainizan Sahdan and Amir Hashim Mohd Kassim
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Siti Nazahiyah Rahmat: Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor
Aziman Madun: Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor
Azra Munirah Mat Daud: Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor
Mohammad Sukri Mustapa: Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor
Mohammad Sukri Mustapa: Yayasan Amal Malaysia, Lot 4459, Jalan Haji Mohd Amin, Sungai Merab Luar, 43000 Kajang, Selangor
Mohammad Mohammad Erwan Zaki Mat Radzi: Yayasan Amal Malaysia, Lot 4459, Jalan Haji Mohd Amin, Sungai Merab Luar, 43000 Kajang, Selangor
Mohd Zainizan Sahdan: Preston GeoCEM (M) Sdn. Bhd., 33A, Jalan Universiti 4, Taman Universiti, 86400 Batu Pahat, Johor
Amir Hashim Mohd Kassim: Yayasan Amal Malaysia, Lot 4459, Jalan Haji Mohd Amin, Sungai Merab Luar, 43000 Kajang, Selangor

INWASCON Technology Magazine(i-TECH MAG), 2021, vol. 3, 27-30

Abstract: The motivation of this study was minimizing usage of billing water via adopting integrated rooftop rainwater harvesting (RWH) and groundwater at Madrasah Tahfiz Darul Hikmah in Parit Kaspan, Parit Raja, Johor. Groundwater exploration using electrical resistivity method was conducted. Based on the 2-dimensional resistivity tomography result, the position of shallow tube well was pointed based on low resistivity and low chargeability. Tube well at 2-inch diameter was constructed at 20-m depth. Preliminary analysis was conducted, and a few contaminants were detected in groundwater and rainwater, making it unsafe for domestic purposes and need to be treated to an acceptable level. Multiple treatments such as sedimentation, sand and membrane filtrations, and dilution were applied to improve the groundwater quality. Few parameters were selected and analysed namely pH, turbidity, total dissolved solids (TDS) and heavy metals (i.e., Fe, Mn, Zn and Cu). Overall, the blended groundwater and rainwater water treatments efficiently reduced the concentration of pollutants in the filtered water to a compliance of recommended raw water quality standard.

Keywords: Rainwater harvesting; groundwater; resistivity; filtration; domestic water supply; alternative water resources (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zitecm:v:3:y:2021:p:27-30

DOI: 10.26480/itechmag.03.2021.27.30

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