How big is the Wastewater Treatment Equipment Market | Top Manufacturers and Suppliers 2025

Code: MTA9672 Publication Date: Oct 2025

What is the size of Wastewater Treatment Equipment Market?

According to 6Wresearch internal database and industry insights, the Global Wastewater Treatment Equipment Market was valued at USD 6500 Billion in 2024 and is expected to reach USD 9700 Billion by 2031, growing at a compound annual growth rate of 6% during the forecast period (2025-2031).

The main drivers of this growth are the rising need for safe water resources, stricter discharge regulations for industries, and growing demand from municipalities for advanced purification technologies. This enhances water reuse potential, safeguards public health, and supports sustainable urban and industrial development.

Growth Factors for Wastewater Treatment Equipment Industry

  • Expansion of urban populations is increasing municipal wastewater generation.
  • Industrial growth requires efficient effluent treatment and compliance solutions.
  • Rising investments in membrane filtration, UV, and reverse osmosis systems.
  • Government initiatives for sustainable water infrastructure development.
  • Increasing awareness about water scarcity is driving demand for recycling solutions.

Wastewater Treatment Equipment Market Trends

Wastewater Treatment Equipment Market trends are highlighting an inclination towards a more advanced treatment system. A notable advanced treatment system includes membrane bioreactors, moving bed biofilm reactors (MBBR), and zero-liquid discharge systems. Automation and digital monitoring are gaining acceptance to increase efficacy and reduce operational costs. Growing demand for modules, including decentralised treatment units and configurations for rural as well as industrial clusters. Energy-efficient technologies and resource-recovery equipment, including biogas production and nutrients, are gaining more visibility. 

Emerging Developments in the Wastewater Treatment Equipment Market

The Wastewater Treatment Equipment Market developments focus on strategizing investments in new treatment technologies, including hybrid systems. These allow the combination of biological and chemical technologies. Companies are starting to supply containers to accommodate users from smaller communities, including remote sites. The introduction of new products will focus on low-maintenance equipment and any production capabilities benefiting larger community users. The partnership of public utilities and technology providers supports the use of investment in the smart water networks, including maintenance through the use of artificial intelligence, which is also advancing the community's capabilities. 

List of Leading Companies in the Wastewater Treatment Equipment Market

Some of the leading companies include:

1. Xylem Inc.

Company NameXylem Inc.
Establishment Year2011 (spun off from ITT Corporation)
HeadquarterWashington, D.C., USA
Official WebsiteClick here

Xylem is a global water technology provider, offering solutions for water transport, treatment, and testing with a focus on sustainability and smart infrastructure.

2. Veolia Water Technologies

Company NameVeolia Water Technologies
Establishment Year1853 (part of Veolia Environnement)
HeadquarterParis, France
Official WebsiteClick here

Veolia Water Technologies delivers water and wastewater treatment solutions, including desalination, recycling, and industrial water management.

3. SUEZ Water Technologies & Solutions

Company NameSUEZ Water Technologies & Solutions
Establishment Year1858 (part of SUEZ Group, formerly GE Water & Process Technologies)
HeadquarterParis, France
Official WebsiteClick here

SUEZ Water Technologies & Solutions provides water treatment, process technologies, and chemical solutions for industrial and municipal clients.

4. Pentair Plc

Company NamePentair Plc
Establishment Year1966
HeadquarterLondon, UK (operational HQ in Minnesota, USA)
Official WebsiteClick here

Pentair is a global company providing water treatment and sustainable solutions for residential, commercial, and industrial applications.

5. Evoqua Water Technologies LLC

Company NameEvoqua Water Technologies LLC
Establishment Year2013 (roots trace back over 100 years)
HeadquarterPittsburgh, Pennsylvania, USA
Official WebsiteClick here

Evoqua offers water and wastewater treatment solutions, including filtration, disinfection, and wastewater recycling for industrial and municipal use.

6. Ecolab Inc.

Company NameEcolab Inc.
Establishment Year1923
HeadquarterSt. Paul, Minnesota, USA
Official WebsiteClick here

Ecolab provides water, hygiene, and energy technologies, specializing in water treatment, cleaning, and food safety solutions across multiple industries.

7. Kurita Water Industries Ltd.

Company NameKurita Water Industries Ltd.
Establishment Year1949
HeadquarterTokyo, Japan
Official WebsiteClick here

Kurita Water Industries is a Japanese company offering water treatment chemicals, facilities, and services for industrial and municipal customers.

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