-- In response to Malaysia’s accelerating digital infrastructure growth, the national sewerage company, Indah Water Konsortium (IWK) Sdn. Bhd. and Johor Special Water (JSW) Sdn. Bhd. have entered into a strategic collaboration to develop reclaimed water solutions that support the growing water demand of the data centre industry in Johor.
Today, IWK and JSW signed three (3) agreements involving three (3) sewerage treatment plants, to supply alternative water to two (2) data centres in Johor. Treated effluent will be supplied through an integrated distribution system to water reclamation plants (WRP) at Bridge Data Centres Malaysia IV Sdn. Bhd. (BDC) and Computility Technology (Malaysia) Sdn. Bhd., while JSW will supply an alternative water source directly to Dayone Data Centre Malaysia II Sdn. Bhd. (Dayone).
Under this agreement, IWK will supply 12 million litres per day (MLD) of treated effluent, sourced from its sewage treatment plants, to the WRP built by BDC and Computility.
“Our collaboration with JSW marks a significant step forward in sustainable water management. By supplying reclaimed water sourced from treated effluent, IWK are providing a reliable, non-potable solution that meets the high water demands of industries like data centres. This initiative supports Malaysia’s sustainability goals and reduces pressure on clean water resources,” said IWK Chief Executive Officer, Narendran Maniam.
This partnership will supply approximately 4 MLD of treated effluent from IWK’s JB-Pelangi Sewage Treatment Plant (JBR005) to BDC’s WRP in Ulu Tiram. JSW will oversee the delivery of treated effluent and coordinate with local authorities for all approvals. The treated effluent is to be reclaimed into high-grade water quality for use in BDC’s cooling operations.
“With Johor experiencing a surge in water demand, driven by interest from over 50 data centres in the past two years, JSW has been working closely with IWK to deliver viable and sustainable water solutions. Treated effluent, both in quality and quantity, has proven to be safe and effective use in data centre operations,” emphasised JSW Chief Executive Officer, Abdul Rashid bin Haji Ismail.
IWK produces over 7,371 million litres per day (MLD) of treated effluent from sewage treatment plants across the country, with 1,067 MLD generated in Johor alone. With growing market demand for sustainable water solutions in Johor, the potential for scaling reclaimed water infrastructure is significant.
“We have already received multiple enquiries for reclaimed water supply from other data centre and industrial zones, including Nusajaya Tech Park, Sedenak Tech Park, Nusa Cemerlang Industrial Park, Pasir Gudang and Kempas. This clearly demonstrates Johor’s strong positioning as an emerging digital hub” added Abdul Rashid.
With data centres ranked among the most water-intensive facilities, primarily due to cooling needs, reclaimed water offers a scalable, climate-conscious alternative to conventional sources.
Established in October 2021, the partnership between IWK and JSW, a wholly owned subsidiary of Permodalan Darul Ta’zim Sdn. Bhd.—the investment arm of the Johor State Government, aims to repurpose treated effluent from sewage treatment plants (STPs) into reclaimed water for non-potable industrial uses.
The IWK-JSW collaboration exemplifies how cross-agency partnerships can unlock new value from existing infrastructure while advancing sustainable development. This initiative plays a key role in Johor’s transformation into a smart, sustainable digital hub.
By repurposing treated effluent as a valuable resource, it promotes responsible water management, enhances climate resilience, supports sustainable industrialisation, and aligns with Malaysia’s sustainability goals.
For more information, please contact:
IWK
Wan Esuriyanti Wan Ahmad
Head,
Corporate Communications Department 012-2718095
Melissa Norris
Senior Manager,
Corporate Communications Department 016-2738308
ABOUT IWK
JSW
Fairuz Mohd Saad Executive,
Johor Special Water 010-4082884
PDT
Muhammad Ammar Akmal Senan,
Vice President of Corporate Affairs PDT 013-209 8586
Norindah Khairi,
Head of Corporate Affairs PDT 017-788 0959
- End-
Indah Water Konsortium Sdn. Bhd. (IWK), is a sewerage services company owned by Minister of Finance Incorporated, Malaysia. IWK is responsible for providing sewerage services, operating and maintaining 9,133 existing sewage treatment plants and network pump stations, as well as more than 22,000 km networks of sewerage pipelines serving 32 million Connected Population Equivalent (cPE). Our core expertise spans Operations and Maintenance, Refurbishment, Planning & Policy Strategy, Engineering and Process Review, Project Planning and Management, Environmental Impact Assessment (EIA) and Hazard and Operability Studies (HAZOP), as well as Research & Development, and Training Services including module development. For more information, visit www.iwk.com.my
ABOUT JSW
Johor Special Water (JSW) is a subsidiary of Permodalan Darul Ta'zim that provides non-potable industrial water services in Johor. JSW has been mandated by the Johor State Government since 2011 to provide alternative industrial water solutions in Johor.
ABOUT PDT
Permodalan Darul Ta’zim Sdn. Bhd. (PDT) is a wholly-owned company of the Johor State Government, established in 1994 as a governmental investment instrument for asset management and state’s equity holdings in privatization projects. PDT's core business sectors encompass Water, Wastewater, Energy and Environment; Oil and Gas; Infrastructure and Property; as well as Strategic Business and Investment. PDT also has been entrusted by the Johor State Government to spearhead green development initiatives in Johor.
Release ID: 89167958
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