'Penang Water Supply Initiatives 2050' to be presented to govt early next yearAn independent feasibility study on contingency plans to mitigate ...'Penang Water Supply Initiatives 2050' to be presented to govt early next year
An independent feasibility study on contingency plans to mitigate Penang's raw water risks in the near future will be tabled for review by the Penang government in the first quarter of 2021.
Penang Water Supply Corporation (PBAPP) chief executive officer Datuk Jaseni Maidinsa said PBAPP was planning to present the study on its proposed "Penang Water Supply Initiatives 2050" (PWSI 2050) projects to the state executive council (exco) for review and approval.
He said the initial PWSI 2050 contingency projects proposed in 2019 include:
* Package 12A of the Sungai Dua Water Treatment Plant (WTP), which has the potential to yield 114 million litres per day (MLD);
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* Sungai Prai Water Supply Scheme (SPWSS), which has the potential to yield 136 MLD; and
* Phase 1 of the Penang Desalination Water Supply Scheme (PDWSS), which has the potential to yield 250 MLD.
Package 12A involves the construction of a new 114 MLD water treatment module in the Sungai Dua WTP while the SPWSS is aimed at tapping Sungai Prai as an additional raw water resource for Penang.
Previous water engineering studies have indicated that raw water from this river may not be safely treated using conventional water treatment technology, as such, the SPWSS will explore the possibility of employing alternative water treatment technologies to "treat" the raw water safely for human consumption.
As for Phase 1 of the PDWSS, it proposes the construction of a sea water desalination facility in the southern area of Penang Island, to address the increasing water supply needs in Balik Pulau and the surrounding areas, as well as for the Penang South Reclamation (PSR) project towards 2030. Phase 1 is scheduled for commissioning in December 2024. Subsequent phases may be implemented until 2050.
Since Penang is surrounded by sea, it has theoretically unlimited access to usable sea water for desalination.
"The feasibility study takes into consideration the following factors: updated projections of water demand in Penang towards 2050 (based on actual PBAPP data recorded from 2010 to 2019, projected water demand from new development projects in Penang), timeline considerations to mitigate raw water risks by 2025, feasibility of the proposed projects and technologies as well as costs and options.
"As a state with a small geographical footprint, Penang has unlimited socioeconomic resources but very limited raw water resources.