Introduction: 10月5日, Malaysia's Water Asset Management Company (PAAB) disclosed at the Zero-Waste Management 2.0 Conference 2026 held in Kuching: water treatment plants nationwide discharge approximately 976.8 million liters per day (MLD) of treated water and generate approximately 5500 metric tons of water treatment residuals. PAAB Chairman Datuk Seri Jaseni Maidinsa called on state water companies to establish a national zero-waste management ecosystem to recover and reuse these "wastes," and stated that PAAB is willing to provide financing—or even "financing plus delivery"—for reclaimed water reuse systems and sludge dewatering facilities.
Behind the Numbers: 976.8 MLD of Treated Water and 5500 Tons of Residuals
In Malaysia, the volume of treated water discharged and the quantity of water treatment residuals generated daily by water treatment plants (WTPs) had rarely been publicly discussed as an industry issue. The two figures disclosed by PAAB this time intuitively demonstrate the resource recovery potential: approximately 976.8 million liters per day of treated water is discharged, while approximately 5500 metric tons per day of water treatment residuals require disposal.
Jaseni Maidinsa stated directly at the conference: "Rather than treating these as waste, we should recover, reuse, and convert them into valuable resources, including clay bricks, construction materials, cement-based products, and reclamation materials. This not only reduces waste but also creates economic value and strengthens the sustainability of the water sector." He also proposed that PAAB's vision is to establish a national zero-waste management ecosystem—by recovering and reusing the treated water discharged from water plants while converting water treatment residuals into commercially valuable products.
Benchmark Sample: Residuals Management at the Sungai Dua Water Plant in Penang
PAAB specifically highlighted the residuals management system at the Sungai Dua Water Treatment Plant in Penang as a demonstrated case of resource recovery. The operational effectiveness of this system is reflected at three levels: converting treatment residuals into commercially valuable products, reducing disposal costs and environmental impact, while recovering the discharged water from the treatment process and reusing it in the treatment process itself, thereby minimizing water loss and improving operational efficiency.
In short, this system addresses both "where the residuals go" and "whether the water can be used again." For Malaysian water plants that use surface water as their source and are affected by seasonal fluctuations in raw water turbidity, recovering backwash water and sludge water for reuse at the front end of the treatment process is a water-saving pathway with relatively controllable investment and rapid results.
Funding and Delivery: PAAB's Dual Role
As a national water asset financing institution wholly owned by Malaysia's Minister of Finance (Incorporated) and established under the 2006年 Water Services Industry Act, PAAB positions itself as the "lowest-cost capital expenditure financier," responsible for the financing, development, and management of water asset infrastructure. Jaseni explicitly stated that PAAB is ready to provide financing support for projects such as treated water reuse systems and sludge dewatering facilities, or to simultaneously undertake financing and project delivery when needed.
"Our goal is to develop environmentally sustainable, technically feasible, and financially affordable solutions. By recovering water resources and converting treatment residuals into useful resources, we can reduce water loss, lower disposal-related emissions, create new economic opportunities, and strengthen Malaysia's long-term water security," he said. To accelerate nationwide rollout, PAAB will collaborate with government departments, regulatory bodies, state governments, water companies, and industry stakeholders to jointly advance zero-waste management and circular economy practices.
Policy Context: WST2040 and Water Pressure from Data Centers
This initiative is not an isolated action but is embedded in Malaysia's WST2040 (2040年 Water Sector Transformation) roadmap—which explicitly requires a significant increase in wastewater recovery and reuse rates and promotes the conversion of treatment residuals into construction materials such as bricks, marking the industry's shift from traditional linear disposal thinking to a circular economy model.
Pressure on the demand side is also rising. Malaysia is experiencing a data center construction boom. Take Bridge Data Centres as an example: it already operates or is developing six data center sites in Malaysia, among which the MY03 site located at Mranti Park in Kuala Lumpur is planned to reach 16 MW. The water consumption of water-cooled cooling has led some states to require investors to postpone water-cooled expansion projects. Meanwhile, operators such as AirTrunk and DayOne have also announced similar wastewater reuse plans in 2026年 — Bridge DC's MY07 Reclaimed Water Plant in Johor adopts the process of "oxidation tank + anoxic tank + MBR + fiber filtration + multi-stage Reverse Osmosis / RO", with the produced water reused for cooling circulation, becoming an industry-reference process model.
Opportunity hints for Chinese water treatment enterprises
Malaysia's current push for zero waste and reclaimed water constitutes a substantial opportunity window for Chinese environmental enterprises with complete-set capabilities, with three lines deserving key attention:
- Residue resource recovery equipment — complete sets of equipment for Sludge Dewatering, Sludge Drying, and residue-based brick/building material production; demand will be released in sync with nationwide rollout;
- Membrane-based reclaimed water systems — MBR and Reverse Osmosis / RO have formed a clear process paradigm in data center cooling makeup water scenarios, and membrane system integrators with overseas track records have a first-mover advantage;
- Financing cooperation models — PAAB provides financing or even "financing + delivery", meaning technology providers can participate in an asset-light manner, lowering the capex threshold for overseas projects.
It should be noted that water quality standards and discharge permits in each Malaysian state are administered separately by state-level agencies and the federal Department of Environment (DOE). In the early stage of a project, it is essential to obtain the latest local discharge permit templates and backup water source quotas, and avoid directly applying Johor benchmarks to other catchments such as the Klang Valley.
Conclusion
When "discharging nearly 10亿 liters of treated water and generating 5500 tons of residue every day" is brought onto the table, the circular economy transformation of Malaysia's water industry is no longer merely a concept. Under the premise that national financing institutions are willing to pay and even cover delivery, the Southeast Asian reclaimed water and residue resource recovery market is moving from planning to procurement. For Chinese water treatment enterprises currently seeking overseas landing points, this is a window worth laying out in advance.
About TIANYI TECH: TIANYI TECH (TIANYI LIMITED) focuses on the fields of wastewater treatment, Reclaimed Water Reuse, and Water Environment Governance, providing municipal and industrial clients with full-chain services including process design, equipment integration, engineering general contracting, and Smart Water operations. The company continuously tracks global water treatment policies, technologies, and market dynamics, and is committed to helping customers achieve efficient water resource utilization and sustainable management with reliable solutions. For more information, please visit the company website www.tianyitech.hk.
Source: Media Selangor, The Vibes, Bernama on the Zero-Waste Management 2.0 Conference 2026 (2026年10月5日) and related public industry information
International market
2026-10-19