Water Treatment Ozone Generator Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented, By Technology, By Application, By End-User, By Region & Competition, 2021-2031F

The Global Water Treatment Ozone Generator Market is forecast to expand from USD 1.23 billion in 2025 to USD 2.07 billion by 2031, reflecting a compound annual growth rate of 9.06%. These generators create ozone (O3), a highly effective oxidizing agent that dissolves in water to eliminate contaminants, ensure disinfection, and eradicate unwanted tastes, odors, and colors. Growth in this sector is largely fueled by a rising worldwide need for drinking water, stricter regulations enforcing enhanced water quality, and increasing industrial demand for chemical-free disinfection processes. Highlighting this trend, the German Chemical Industry Association (VCI) reported that its members spent EUR 1.8 billion on water treatment infrastructure in 2023, dedicating 65% of these funds to advanced oxidation and membrane technologies.

Even with these strong growth factors, the market faces notable obstacles, primarily the high upfront capital costs associated with purchasing and installing ozone generation systems. Additionally, the need for highly specialized technical knowledge to properly install, operate, and maintain these systems presents a barrier to widespread implementation across various sizes of operations.

Market Driver

Strict international water quality laws act as a major catalyst for incorporating sophisticated water treatment systems like ozone generators. As these rules increasingly focus on a wider array of pollutants, including emerging micropollutants and disinfection byproducts, both industrial facilities and utility providers are forced to adopt superior treatment methods. For example, the U.S. Environmental Protection Agency published a proposed National Primary Drinking Water Regulation for perchlorate in January 2026, introducing enforceable Maximum Contaminant Levels between 20 µg/L and 80 µg/L. Meeting these updated standards requires the powerful disinfection and oxidation strengths inherent to ozone systems, which can break down stubborn compounds to achieve compliance without leaving dangerous chemical residues.

At the same time, the market is heavily propelled by rising requirements for zero-liquid discharge (ZLD) systems and industrial wastewater recycling. Pushed by environmental regulations, sustainability targets, and water shortages, industries must now treat their wastewater to levels safe enough for internal reuse or responsible environmental discharge. Illustrating this shift, Veolia secured a $550 million contract in early 2025 for a U.S. Midwest semiconductor plant, featuring advanced wastewater treatment designed to recycle roughly 8,000 cubic meters of water daily. This highlights ozone's vital function in intricate industrial settings requiring ultra-pure process water, a broader industry surge similarly evidenced by Xylem Inc. achieving $9.0 billion in total revenue for the full year of 2025.

Market Challenge

A major obstacle to the growth of the Global Water Treatment Ozone Generator Market is the heavy initial financial investment needed to acquire and set up ozone generation equipment. These steep upfront expenses severely limit the uptake of advanced ozone technology, especially among smaller municipal facilities and industrial businesses that operate with tight budgets. Consequently, these financial constraints can postpone or completely block the shift from traditional, less efficient water treatment techniques to highly effective modern ozone processes, limiting the technology's overall market penetration.

This financial strain is widely recognized across the industry, as highlighted by the American Water Works Association's 2025 State of the Water Industry report, which cited funding for capital upgrades as the top hurdle for the water sector. The report noted that a mere 41% of utility providers possessed the complete ability to pay for such improvements using their current fee and rate structures. This widespread struggle to secure necessary funding directly decelerates the broad deployment of ozone generators, thereby stifling overall market expansion and restricting access to these advanced, chemical-free disinfection systems.

Market Trends

The evolution of energy-efficient ozone generation technology is profoundly shaping the Global Water Treatment Ozone Generator Market. These technical strides are vital for lowering the high operational expenses traditionally linked to ozone equipment, making the technology much more attractive and competitive. By concentrating on decreasing energy use without sacrificing strong oxidation capabilities, innovators are positioning ozone as a practical choice for a wider range of water treatment uses. These upgrades empower facility operators to successfully remove contaminants and disinfect water while consuming less power, supporting both economic feasibility and sustainability goals. For instance, in May 2025, De Nora Water Technologies noted a 17% rise in its water business backlog from late 2024, highlighting strong market interest in their Capital Controls(R) ozone systems due to a preference for eco-friendly disinfection. This development underscores the sector's shift toward accessible, cost-effective, and environmentally responsible treatment alternatives.

At the same time, the integration of automated controls and smart monitoring technologies is rapidly transforming the industry landscape. By combining intelligent automation, real-time data analysis, and sophisticated sensors, these modern systems maximize generator efficiency, boost reliability, and cut down on the need for constant manual supervision. Smart networks simplify operations and ensure steady water quality by facilitating precise ozone dosing and proactive maintenance, effectively overcoming the barrier of requiring highly specialized staff to manage the equipment. Supporting this infrastructure modernization, the U.S. Department of the Interior allocated USD 849 million in December 2024 to upgrade national water delivery networks, an initiative that frequently incorporates such smart technologies. Ultimately, embedding these intelligent systems is essential for meeting rigid water quality standards and extending the functional life and performance of ozone treatment operations.

Key Market Players

• Ebara Technologies Inc.
• Chemtronics
• Faraday Ozone Products Pvt. Ltd.
• Lenntech B.V.
• Mitsubishi Electric Corporation
• Ozonetek Limited
• Ozone Solutions Inc.
• Primozone Production AB
• SUEZ SA
• Toshiba Corporation

Report Scope

In this report, the Global Water Treatment Ozone Generator Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Water Treatment Ozone Generator Market, By Technology

• Ultraviolet
• Cold Plasma
• Corona Discharge
• Electrolytic

Water Treatment Ozone Generator Market, By Application

• Wastewater Treatment
• Air Treatment

Water Treatment Ozone Generator Market, By End-User

• Municipal
• Commercial

Water Treatment Ozone Generator Market, By Region

• North America
  • United States
  • Canada
  • Mexico
• Europe
  • France
  • United Kingdom
  • Italy
  • Germany
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• South America
  • Brazil
  • Argentina
  • Colombia
• Middle East & Africa
  • South Africa
  • Saudi Arabia
  • UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Water Treatment Ozone Generator Market.

Available Customizations:

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Company Information

• Detailed analysis and profiling of additional market players (up to five).