U.S. Water and Wastewater Treatment Technologies Market to Reach USD 43.8 Billion by 2035

The U.S. water and wastewater treatment technologies market is experiencing steady and sustained growth as regulatory pressure, aging infrastructure, and water scarcity concerns intensify across the country. The market is projected to expand from USD 23.5 billion in 2025 to USD 43.8 billion by 2035, registering a compound annual growth rate (CAGR) of 6.4% during the forecast period. This growth underscores the increasing importance of advanced treatment technologies in ensuring water quality, regulatory compliance, and long-term sustainability.

What Are Water and Wastewater Treatment Technologies

Water and wastewater treatment technologies include a broad range of physical, chemical, and biological processes used to remove contaminants from water before discharge or reuse. These technologies are applied across municipal and industrial sectors to treat drinking water, industrial effluents, and sewage, ensuring compliance with environmental standards and safeguarding public health.

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Key technologies include membrane separation and filtration systems, activated sludge processes, membrane bioreactors (MBRs), UV and ozone disinfection, ion exchange, electrochemical treatment systems, and sludge management solutions. These systems enable the removal of suspended solids, organic matter, pathogens, heavy metals, and emerging contaminants such as PFAS.

Strengthening Water Infrastructure and Environmental Compliance

The growing adoption of advanced water treatment technologies in the U.S. is largely driven by stringent environmental regulations and large-scale infrastructure investments. Federal and state initiatives allocating more than USD 50 billion toward water infrastructure upgrades by 2032 are accelerating the modernization of aging treatment plants.

In particular, newly implemented PFAS regulations by the U.S. Environmental Protection Agency (EPA) in 2024 have significantly increased demand for high-performance treatment solutions capable of removing persistent chemical contaminants. Thousands of water utilities are upgrading systems to comply with these regulations, creating long-term demand for membrane filtration, activated carbon, and advanced oxidation technologies.

Market Evolution and Key Industry Trends

The U.S. water and wastewater treatment technologies market is evolving toward more energy-efficient, compact, and digitally enabled systems. Membrane separation technologies are gaining prominence due to improved durability, reduced energy consumption, and their ability to meet stringent water quality standards.

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Digital water management solutions, including AI-driven monitoring, predictive maintenance, and real-time analytics, are being increasingly deployed to improve operational efficiency and reduce costs. Additionally, water reuse and zero liquid discharge (ZLD) systems are gaining traction as industries seek to reduce freshwater consumption and comply with sustainability targets.

Why These Technologies Are Becoming Essential

Rising water scarcity, climate variability, and growing industrial demand have made advanced water treatment solutions essential. Industries such as semiconductors, pharmaceuticals, energy, and data centers require ultrapure water and specialized wastewater treatment solutions, driving rapid adoption of advanced membrane and electrochemical technologies.

At the municipal level, population growth and aging infrastructure are pushing utilities to invest in modern systems that improve resilience, efficiency, and compliance while minimizing operational costs.

Technology Segments and Adoption Patterns

Membrane separation and filtration technologies are expected to maintain the largest share of the U.S. market through 2035. Their dominance is supported by strict contaminant removal requirements, expanding semiconductor and data center applications, and continuous technological improvements that enhance system efficiency and lifespan.

The industrial application segment is projected to register the highest growth rate during the forecast period. Rapid expansion in semiconductor manufacturing driven by CHIPS Act funding, increased AI data center deployment, battery production for electric vehicles, and heightened focus on water recycling are key contributors to this growth.

Competitive Landscape and Strategic Developments

The U.S. market has witnessed significant consolidation and strategic realignment in recent years. In 2023, Xylem completed its acquisition of Evoqua Water Technologies, forming the world's largest pure-play water technology company with a comprehensive portfolio serving municipal and industrial customers.

Leading companies are increasingly focusing on innovation in PFAS treatment, membrane technologies, and digital water solutions. Investments in venture funding and emerging technologies are also rising, with startups developing advanced filtration, AI-driven wastewater management, and next-generation membrane solutions attracting substantial capital.

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Future Market Outlook

As environmental regulations tighten and water sustainability becomes a national priority, the role of advanced water and wastewater treatment technologies will continue to expand. Ongoing infrastructure investments, industrial growth, and innovation in membrane and digital technologies will ensure sustained market growth through 2035.

With increasing emphasis on water reuse, contaminant removal, and operational efficiency, the U.S. water and wastewater treatment technologies market is positioned to remain a critical pillar of environmental protection and industrial development in the coming decade.

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