Data Center Water & Wastewater Treatment Equipment Market Size to Reach US$ 9.14 Billion by 2035 as AI Cooling and Water Reuse Accelerate

According to DataM Intelligence, the global Data Center Water & Wastewater Treatment Equipment Market size was valued at US$ 2.95 billion in 2025 and is projected to reach US$ 9.14 billion by 2035, registering a CAGR of 11.98% during 2026-2035. The market is being supported by increasing deployment of hyperscale, cloud, and AI data centers that require advanced cooling water treatment, filtration, recycling, and wastewater management systems.

The rapid growth of high-density AI computing is changing data center cooling requirements. Operators are increasingly adopting closed-loop cooling, water recycling, reverse osmosis, filtration, high-purity water treatment, and digital monitoring technologies to reduce freshwater consumption while maintaining reliable thermal management.

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Recent Developments in the Data Center Water & Wastewater Treatment Equipment Market

United States

✓ In June 2026, Vertiv launched PurgeRite NearZero, combining water recycling, treatment, filtration, reverse osmosis and continuous monitoring to reduce water and wastewater requirements during data-center cooling-system commissioning.

✓ In April 2026, Veolia partnered with Amazon to deploy containerized water-treatment systems that will convert wastewater into cooling water for an Amazon data center in Mississippi, with the facility expected to reuse more than 83 million gallons of potable water annually.

✓ In June 2026, Google announced expanded reclaimed-water and water-replenishment initiatives for data centers, including partnerships with utilities to use treated wastewater for cooling where appropriate.

Japan

✓ In March 2026, Tokyo launched a data-center efficiency program that included guidelines for introducing water-cooled systems at existing data centers to improve energy efficiency.

✓ In July 2026, Daikin and NTT DATA began a joint AI-driven cooling optimization PoC integrating HVAC, chillers and liquid-cooling systems at an NTT DATA data center in Japan.

✓ In April 2026, NTT DATA opened its 30-MW Keihanna OSK11 Data Center, incorporating advanced high-efficiency cooling technologies for growing AI and cloud workloads.

Mergers and Acquisitions

✓ Veolia & Amazon - April 2026: Veolia and Amazon began developing reclaimed-water treatment systems for data-center cooling in Mississippi. Veolia will deploy modular, containerized treatment systems that convert wastewater effluent into cooling water, with the first facility expected to operate in 2027 and reuse more than 83 million gallons of potable water annually.

✓ Veolia - April 2026: Veolia launched Data Center Resource 360, an integrated offering covering advanced water treatment, water reuse, waste management and digital monitoring for data centers, and set a target of more than €1 billion in annual revenue from data centers and semiconductor markets by 2030.

Data Center Water & Wastewater Treatment Equipment Market Trends

AI Data Centers Increasing Demand for Advanced Water Management

The rapid deployment of AI servers and high-performance computing is increasing cooling requirements and encouraging operators to adopt liquid cooling, closed-loop systems, filtration, and water-quality monitoring. Higher rack densities are also increasing the importance of reliable fluid management throughout data center infrastructure.

Shift Toward Water Recycling and Reuse

Data center operators are moving beyond freshwater reduction toward water recovery and reuse. Reverse osmosis, ultrafiltration, reclaimed-water treatment, condensate recovery, and zero-liquid-discharge systems are gaining relevance as operators seek to reduce freshwater withdrawals and wastewater discharge.

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Market Segmentation

By Equipment Type

Filtration equipment led with an estimated 27% share, supported by its broad role in removing suspended solids and protecting downstream cooling and water-treatment systems. Water softeners and demineralization systems accounted for 19%, followed by reverse osmosis systems at 18%, disinfection equipment at 13%, water recycling and recovery systems at 11%, and other equipment at 12%.

By Treatment Stage

Pretreatment held the largest share at an estimated 35%, reflecting its importance in protecting cooling systems and downstream treatment equipment from contaminants and scaling. Primary treatment accounted for 22%, while secondary treatment represented 18%, tertiary treatment 15%, and advanced treatment 10%, with higher treatment stages gaining importance as data centers pursue greater water reuse and discharge-quality control.

By Data Center Type

Hyperscale data centers held the largest share at an estimated 38%, driven by large-scale computing capacity, high-density infrastructure and substantial cooling requirements. Colocation data centers accounted for 29%, followed by enterprise data centers at 20% and edge data centers at 13%, reflecting different facility sizes, operating models and water-treatment requirements.

Regional Analysis

North America

North America generated an estimated 34% of global market revenue, with the United States representing the largest regional market. Extensive hyperscale and colocation capacity, continued data center construction and increasing attention to water efficiency are supporting demand for advanced treatment and recycling equipment.

Asia Pacific

Asia Pacific accounted for approximately 29% of global revenue, with China, Japan, Singapore, Australia and India representing important markets. Rapid expansion of cloud infrastructure and digital services is increasing demand for reliable cooling-water treatment, while water availability is encouraging greater interest in recycling and reuse systems.

Key Players in the Data Center Water & Wastewater Treatment Equipment Market

Major companies operating in the market include Veolia, Ecolab, Xylem Inc., SUEZ, Aquatech International, Solenis, Kurita Water Industries, Pentair, DuPont Water Solutions, BWT Holding, Alfa Laval, and Toray Industries.

Company Profiles

Ecolab

Ecolab provides water-management and treatment technologies for high-tech industries and data center applications. Its acquisition of CoolIT has expanded its portfolio into direct liquid cooling for high-density AI infrastructure.

Vertiv

Vertiv provides critical digital infrastructure, thermal management, and fluid-management solutions for data centers. Its PurgeRite NearZero service combines flushing, treatment, filtration, recycling, and water-quality monitoring for cooling-system commissioning.

Veolia

Veolia provides water treatment, wastewater recycling, and resource-management technologies for industrial and data center applications, including solutions designed to increase water reuse and reduce freshwater dependency.

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Conclusion

The Data Center Water & Wastewater Treatment Equipment Market is being reshaped by AI infrastructure expansion, higher computing densities, liquid cooling adoption, and growing pressure to improve water efficiency. Water recycling, high-purity treatment, filtration, and digital monitoring are becoming increasingly important components of next-generation data center infrastructure.

As operators seek to reduce freshwater consumption and improve cooling reliability, demand for integrated water and fluid-management solutions is expected to expand through 2035. Technologies that combine treatment efficiency, water reuse, automation, and scalable deployment will remain important across new and expanding data center facilities.

FAQs

Q: What is the projected size of the Data Center Water & Wastewater Treatment Equipment Market by 2035?

A: The global market is projected to reach US$ 9.14 billion by 2035, expanding at a CAGR of 11.98% during 2026-2035.

Q: What is driving demand for water treatment equipment in data centers?

A: Rapid AI and hyperscale data center expansion, higher cooling requirements, liquid cooling adoption, water conservation targets, and increasing water reuse are key demand factors.

Q: Who are the key players in the market?

A: Major players include Veolia, Ecolab, Xylem Inc., SUEZ, Aquatech International, Solenis, Kurita Water Industries, Pentair, DuPont Water Solutions, BWT Holding, Alfa Laval, and Toray Industries.

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