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Report Description

Report Description

Forecast Period

2026-2030

Market Size (2024)

USD 19.71 Billion

Market Size (2030)

USD 25.00 Billion

CAGR (2025-2030)

3.89%

Fastest Growing Segment

Filtration Equipment

Largest Market

North-East

Market Overview

United States Secondary Water And Wastewater Treatment Equipment Market was valued at USD 19.71 Billion in 2024 and is expected to reach USD 25.00 Billion by 2030 with a CAGR of 3.89% during the forecast period.

The United States Secondary Water and Wastewater Treatment Equipment market is undergoing notable expansion, driven by a convergence of regulatory, technological, and infrastructural factors. Increasing urbanization and industrial activities have resulted in higher volumes of wastewater, thereby escalating the demand for efficient treatment systems. Secondary treatment, which typically involves the removal of dissolved and suspended biological matter, has become essential for municipalities and industries aiming to meet environmental standards and avoid penalties.

A major driver for the market is the stringent environmental regulations enforced by federal and state governments. Agencies mandate compliance with water discharge standards, pushing utilities and private players to invest in robust secondary treatment equipment. The Clean Water Act and subsequent amendments have particularly emphasized the need for proper treatment of effluents before their release into natural water bodies, reinforcing demand for secondary-level treatment infrastructure.

Technological advancements have further spurred market development. Modern secondary treatment technologies such as activated sludge processes, membrane bioreactors (MBRs), sequencing batch reactors (SBRs), and moving bed biofilm reactors (MBBRs) offer superior efficiency in removing organic matter and nutrients. These systems are now more compact, energy-efficient, and cost-effective, making them suitable for a broader range of applications, including retrofitting existing plants and building new facilities.

Infrastructure modernization is another key growth enabler. Many of the country’s wastewater treatment plants are decades old and require upgrades to meet current and future water quality standards. Federal and state infrastructure funding initiatives are supporting the refurbishment and replacement of aging systems with advanced secondary treatment technologies, ensuring compliance and sustainability.

Additionally, growing public awareness regarding water conservation and the ecological impact of untreated wastewater has prompted municipal authorities to prioritize investments in wastewater management. This societal shift is translating into long-term demand for reliable, high-performance secondary treatment solutions.

Key Market Drivers

Stringent Environmental Regulations Encouraging Equipment Upgrades

One of the most significant drivers of the secondary water and wastewater treatment equipment market in the United States is the stringency of environmental regulations. The U.S. Environmental Protection Agency (EPA), through acts such as the Clean Water Act, mandates strict limitations on the discharge of pollutants into navigable waters. This legal framework has accelerated investment in secondary treatment systems, especially in municipal facilities.

As of 2023, the EPA reported that over 16,000 publicly owned treatment works (POTWs) serve more than 80% of the U.S. population. Many of these facilities are being required to upgrade their secondary treatment technologies to comply with the National Pollutant Discharge Elimination System (NPDES) permit program. According to a 2022 EPA report, approximately 34% of wastewater facilities were operating close to or beyond their capacity, necessitating immediate investments in advanced equipment.

In addition, state-level agencies often impose even more rigorous standards. For instance, California’s State Water Resources Control Board enforces nutrient discharge limits that require extensive use of advanced secondary treatment like activated sludge and sequencing batch reactors (SBRs). As states tighten nutrient and nitrogen effluent limits, the demand for biological nutrient removal (BNR) systems—core components of secondary treatment—continues to climb.

These regulatory pressures are not limited to public utilities. Industrial wastewater generators must also install secondary treatment equipment to meet compliance requirements. Failure to comply can result in steep penalties. In 2023, industrial entities in the U.S. paid over USD100 million in fines for Clean Water Act violations, underscoring the financial motivation to invest in effective treatment systems. Thus, compliance is not optional—it is a primary motivator for consistent investment in the secondary treatment segment of the U.S. water industry.

Aging Infrastructure Requiring Modernization

Aging water infrastructure in the U.S. is a critical driver for the secondary treatment equipment market. The American Society of Civil Engineers (ASCE) gave the nation’s wastewater infrastructure a D+ grade in its 2021 Infrastructure Report Card, citing the advanced age of treatment plants and the growing risk of system failures. Most of the current wastewater treatment facilities were constructed between the 1950s and 1970s, making many systems more than 50 years old.

According to the U.S. Congressional Budget Office, over USD270 billion is needed over the next 20 years to upgrade and replace wastewater infrastructure. A large share of this investment is earmarked for secondary treatment equipment modernization, including activated sludge systems, aeration basins, and clarifiers, which have suffered from decades of wear and technological obsolescence.

The Bipartisan Infrastructure Law, passed in 2021, allocated over USD50 billion to the U.S. Environmental Protection Agency for water-related projects, with nearly USD12.7 billion designated for Clean Water State Revolving Fund (CWSRF) projects. This funding is now fueling large-scale infrastructure modernization projects across the country, prioritizing both municipal and industrial secondary treatment facilities.

For example, cities like Chicago, Philadelphia, and Los Angeles are initiating multi-year upgrades to replace legacy equipment with energy-efficient, high-performance systems that support nutrient removal and meet updated effluent standards. In 2023 alone, New York State allocated over USD 100 million to secondary treatment retrofits in five counties.

In addition, many older facilities are transitioning from passive or primary treatment processes to full-scale secondary systems to enhance removal of biochemical oxygen demand (BOD) and suspended solids. This shift not only increases environmental performance but also supports population growth and urbanization demands. Aging infrastructure is not just a liability—it is now a catalyst for rapid reinvestment in advanced secondary treatment technologies.

Urbanization and Rising Municipal Wastewater Volume

Accelerating urbanization across the United States is leading to increased municipal wastewater generation, boosting demand for secondary treatment equipment. According to the U.S. Census Bureau, over 83% of Americans now reside in urban areas, a figure expected to rise further. This urban expansion places tremendous pressure on existing sewage treatment facilities, many of which are already operating at near-maximum capacity.

Each American generates approximately 50–100 gallons of wastewater per day. In cities with populations over 500,000, the daily wastewater volume can exceed 200 million gallons. Such high volumes necessitate robust secondary treatment systems capable of removing biochemical oxygen demand (BOD), suspended solids, and nutrients before discharge.

Metropolitan areas like Houston, Atlanta, and Phoenix are witnessing double-digit population growth over the decade. As a result, municipalities are investing heavily in secondary treatment technologies such as membrane bioreactors (MBRs), oxidation ditches, and trickling filters to meet rising effluent load.

For example, in 2023, the City of Denver launched a USD 325 million upgrade of its central wastewater treatment plant, replacing outdated systems with advanced secondary processes to support a 20% increase in wastewater flow by 2030.

In addition, public health concerns and environmental justice are gaining visibility. Many underserved urban communities lack reliable treatment infrastructure, leading to federal and state support for projects in high-need areas. The EPA’s Environmental Justice Program allocated over USD 100 million in 2023 to fund treatment improvements in vulnerable urban zones.

Urbanization is a long-term trend, and as more Americans move to densely populated regions, the pressure to install and upgrade secondary water and wastewater treatment systems continues to escalate. In this context, urban growth becomes a foundational driver for technology adoption and infrastructure expansion in the sector.

Industrial Growth and Compliance Requirements

Industrial activity in the United States is a major contributor to wastewater generation, and its expansion is directly fueling the demand for secondary treatment equipment. Sectors such as food and beverage, chemicals, pharmaceuticals, and textiles produce large volumes of high-strength wastewater that require rigorous biological treatment before discharge.

According to the U.S. Geological Survey (USGS), industrial users account for nearly 20% of total freshwater withdrawals in the country. As sustainability and environmental stewardship become top priorities, industries are being compelled to manage their wastewater more effectively, often requiring secondary treatment systems like activated sludge, sequencing batch reactors, or aerated lagoons.

The implementation of strict industrial effluent discharge standards under the Clean Water Act has forced companies to install on-site secondary treatment systems or upgrade existing ones. In 2023, the EPA recorded over 1,200 enforcement actions related to industrial discharge violations, highlighting the regulatory risk for non-compliant firms.

Moreover, industries are now embracing water reuse and zero-liquid discharge (ZLD) strategies. For example, the semiconductor and beverage sectors are investing in secondary and tertiary treatment facilities to recycle process water and reduce freshwater dependence. PepsiCo, for instance, reported a 25% reduction in water usage per unit of production in its U.S. plants in 2023, much of it achieved via secondary treatment and reuse systems.

The Inflation Reduction Act and state-level incentives are also encouraging sustainable wastewater management in industry. California, Texas, and Ohio have introduced grants or low-interest loans for industrial users investing in modern treatment equipment.

With increasing water scarcity, industrial sustainability commitments, and compliance mandates, secondary treatment is no longer an option—it is an operational requirement. This trend continues to propel demand for sophisticated and energy-efficient treatment solutions in the U.S. industrial sector.

Rising Demand for Decentralized Wastewater Solutions

The need for decentralized wastewater treatment is becoming increasingly prominent in rural and peri-urban areas across the United States, driving demand for modular and scalable secondary treatment equipment. According to the U.S. Department of Agriculture, nearly 60 million Americans live in rural regions where centralized wastewater infrastructure is often absent or economically infeasible.

These communities increasingly rely on decentralized systems—compact treatment units that serve schools, residential developments, or small towns. Secondary treatment is a core component of these systems, typically involving technologies like extended aeration, fixed-film reactors, or compact MBRs.

The EPA’s Decentralized Wastewater Management Program supports local governments in implementing such systems, especially where populations are too sparse for centralized networks. In 2023, the EPA and USDA awarded over USD 80 million in technical assistance grants to expand decentralized treatment infrastructure in 38 states.

Additionally, the real estate and commercial development boom in exurban areas is accelerating the deployment of decentralized wastewater solutions. Developers are integrating secondary treatment equipment into private or semi-public wastewater systems to comply with local and state discharge regulations.

For instance, the installation of package treatment plants with secondary treatment capabilities has grown by more than 20% annually in rural counties of Texas, Florida, and Pennsylvania. These systems are attractive for their low footprint, energy efficiency, and quick deployment timelines.

Decentralized treatment also plays a key role in disaster resilience and climate adaptation strategies. As extreme weather events increase, localized systems are more resilient to flooding and service disruptions than centralized infrastructure. FEMA’s climate resilience funding has prioritized decentralized projects in flood-prone regions, further accelerating demand.

The rise of decentralized systems underscores the growing importance of flexible, modular secondary treatment equipment to meet America’s diverse and evolving wastewater needs.

 

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Key Market Challenges

High Capital and Operational Costs

One of the most pressing challenges in the United States Secondary Water and Wastewater Treatment Equipment market is the high capital and operational expenditure required for installation, operation, and maintenance. Advanced secondary treatment technologies, such as membrane bioreactors (MBRs), activated sludge systems, and sequencing batch reactors (SBRs), come with high initial costs. For municipal and industrial operators with limited budgets, the financial burden can be a significant barrier to adoption. The Environmental Protection Agency (EPA) estimates that upgrading aging wastewater infrastructure across the U.S. would require investments exceeding USD 270 billion over the next two decades.

Beyond initial costs, operational expenditures also strain local governments and industries. These systems often require constant monitoring, skilled labor, high energy consumption, and regular replacement of parts such as membranes, pumps, and aerators. For example, energy costs alone can constitute up to 30% of the total operational budget for a typical secondary treatment plant. In smaller municipalities, such financial commitments can delay modernization efforts, resulting in continued reliance on outdated or less effective technologies.

Furthermore, uncertainty around funding sources compounds the issue. While federal programs such as the Clean Water State Revolving Fund (CWSRF) provide assistance, the allocation process is competitive and not always sufficient to meet demand. Private operators also face difficulties securing financing, especially if returns on investment are long-term or uncertain. As a result, the high cost factor continues to hinder the widespread implementation and upgrading of secondary treatment infrastructure, especially in rural and economically disadvantaged regions.

Complex Regulatory Compliance Requirements

Navigating the complex regulatory landscape poses another significant challenge for stakeholders in the U.S. secondary wastewater treatment equipment market. The Clean Water Act (CWA), administered by the EPA, sets stringent standards for the quality of effluent discharged into natural water bodies. However, compliance with these standards involves extensive monitoring, reporting, and operational adjustments, which can be particularly challenging for smaller facilities and industrial operators.

In recent years, the EPA has tightened its requirements for nutrient removal, specifically focusing on nitrogen and phosphorus limits due to their impact on eutrophication in freshwater and coastal environments. Meeting these limits often necessitates upgrades to secondary treatment processes, such as the integration of advanced nutrient removal technologies, which are complex and expensive to implement. Additionally, regulations vary across states, adding another layer of complexity for operators who manage multiple facilities or cross-state operations.

Regulatory uncertainty also poses challenges. Proposed updates or reinterpretations of water quality standards, such as those related to emerging contaminants like PFAS (per- and polyfluoroalkyl substances), force operators to prepare for significant investments in unproven or developing technologies. This uncertainty affects budget planning and investment decisions, especially when facilities risk falling out of compliance with changing standards.

Moreover, the regulatory burden disproportionately impacts small and mid-sized municipalities, which often lack the technical staff or financial resources to keep pace with evolving requirements. These facilities may struggle with documentation, audits, and enforcement actions, risking fines or operational shutdowns. As a result, complex and dynamic regulatory compliance remains a formidable barrier to efficient market growth.

Skilled Labor Shortages and Workforce Constraints

The United States secondary water and wastewater treatment equipment market is increasingly constrained by a shortage of skilled labor. Operating and maintaining secondary treatment systems require specialized knowledge in biology, chemistry, mechanical systems, and automation technologies. However, the sector faces an aging workforce and a lack of new entrants, creating a gap that threatens operational continuity and expansion.

According to the Water Environment Federation (WEF), over 30% of the U.S. water sector workforce is expected to retire within the next decade, particularly those in senior plant operations and maintenance roles. This trend is exacerbated by limited vocational training and declining enrollment in water-focused technical programs. As a result, utilities are struggling to recruit and retain qualified personnel, leading to increased reliance on outside contractors or under-trained staff.

The skills gap is particularly evident in rural areas, where smaller utilities may lack the resources to offer competitive salaries or benefits. In these regions, treatment systems may operate below optimal efficiency due to improper handling or delayed maintenance, ultimately affecting water quality outcomes.

In addition, the growing complexity of secondary treatment systems demands ongoing upskilling and training. Operators must not only understand traditional treatment processes but also learn to manage automated systems, advanced sensors, and digital monitoring platforms. The cost and time required for such training programs further strain budgets, especially for smaller municipalities.

The labor shortage creates operational vulnerabilities and limits the ability to expand or upgrade systems effectively. Without a robust workforce pipeline, the secondary treatment equipment market may struggle to meet rising demand and regulatory expectations.

Technological Integration and Interoperability Issues

While advanced secondary treatment equipment offers improved efficiency and environmental compliance, the integration of these technologies into existing infrastructure presents significant technical challenges. Many wastewater treatment facilities in the U.S. operate on decades-old infrastructure, making it difficult to retrofit modern systems without substantial redesign or structural upgrades.

The integration challenge extends to digital technologies as well. Newer secondary treatment systems often incorporate advanced sensors, process control software, and SCADA (Supervisory Control and Data Acquisition) systems. However, older facilities may lack the digital backbone necessary to support such integration. Incompatibility between legacy and new systems can lead to data silos, inefficient operations, and increased risk of malfunction.

Another aspect of interoperability concerns equipment from different manufacturers. Secondary treatment systems often involve components sourced from multiple vendors, including blowers, aerators, pumps, and membranes. Ensuring these components function seamlessly within a unified system requires meticulous engineering and sometimes custom-built interfaces, increasing project complexity and cost.

Moreover, facility operators must manage the cybersecurity risks that come with digitalization. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has highlighted water infrastructure as a critical vulnerability to cyberattacks, particularly when digital control systems are inadequately protected. Integrating new technologies without robust cybersecurity protocols could expose facilities to operational disruptions.

These technological hurdles delay modernization efforts and deter investment. Operators may be hesitant to adopt advanced solutions due to the risk of integration failure or long learning curves, ultimately slowing market adoption of next-generation secondary treatment equipment.

Limited Public Awareness and Stakeholder Engagement

A less visible yet impactful challenge facing the U.S. secondary wastewater treatment equipment market is the lack of public awareness and stakeholder engagement regarding the importance of wastewater treatment infrastructure. Despite its essential role in protecting public health and the environment, wastewater treatment often receives limited attention from the general public and decision-makers until crises occur.

This lack of awareness impacts funding prioritization. Unlike transportation or energy projects, wastewater treatment upgrades may not generate immediate political capital or public support, resulting in underinvestment at the local and state levels. In many cases, municipalities defer necessary upgrades or expansions of secondary treatment facilities due to perceived low urgency or limited voter interest.

Public engagement is also crucial for implementing rate increases or bond measures that fund infrastructure improvements. Resistance from residents—often due to inadequate understanding of the system's importance—can hinder financing efforts. A 2022 survey by the National Association of Clean Water Agencies (NACWA) indicated that 40% of utilities faced significant public opposition to proposed rate increases, despite clear needs for system upgrades.

Moreover, industries and private stakeholders sometimes lack awareness of the long-term cost savings and regulatory compliance benefits offered by modern secondary treatment systems. Without targeted outreach or education campaigns, these entities may delay investment in necessary upgrades.

Limited public and stakeholder engagement not only constrains investment but also affects adoption of innovative solutions and community-based water reuse initiatives. Bridging the awareness gap through outreach, education, and transparent communication is essential to unlock the full potential of the U.S. secondary wastewater treatment equipment market.

Key Market Trends

Growing Demand for Decentralized Treatment Solutions

Decentralized secondary wastewater treatment systems are emerging as a strategic solution for underserved and rapidly growing areas where extending centralized infrastructure is cost-prohibitive. These systems offer flexibility, quicker deployment, and the ability to scale based on demand. In the U.S., decentralized systems are being increasingly adopted in rural communities, residential developments, resorts, and industrial parks. Their modular design and lower capital investment make them appealing for small-scale applications. Additionally, these systems reduce the load on centralized facilities and provide treatment closer to the point of wastewater generation, which limits the need for extensive piping networks. As municipalities grapple with infrastructure aging and funding constraints, decentralized systems present a practical alternative that aligns with local and environmental priorities. With advancements in biological and membrane technologies, decentralized systems can now match the performance of larger centralized plants, contributing to their rising adoption.

Emphasis on Treated Water Reuse and Resource Recovery

The U.S. is seeing increasing focus on wastewater reuse, particularly in water-stressed states such as California, Texas, and Arizona. Secondary treated effluent is now being seen as a viable resource for non-potable reuse in agriculture, industrial cooling, landscaping, and even aquifer recharge. This shift is pushing investment toward secondary treatment technologies that can reliably produce high-quality effluent suitable for these applications. Utilities are integrating advanced filtration, disinfection, and nutrient removal units into their secondary treatment trains to meet higher water quality standards. Additionally, the concept of resource recovery—where nutrients like phosphorus and nitrogen are extracted from wastewater—is gaining traction. This not only supports circular economy goals but also helps reduce the environmental impact of wastewater discharge. As water reuse programs expand nationwide, the demand for robust and adaptable secondary treatment equipment is expected to rise steadily.

Shift Toward Energy-Efficient and Low-Carbon Technologies

There is a growing push within the U.S. wastewater sector to reduce greenhouse gas emissions and energy consumption associated with treatment processes. Secondary treatment—particularly aeration—is often the most energy-intensive stage of wastewater management. This has led to increased interest in energy-efficient solutions such as fine-bubble diffusers, advanced control systems, and low-oxygen-demand biological processes. Facilities are exploring alternatives like aerobic granular sludge and moving bed biofilm reactors (MBBRs) that can offer energy savings without compromising performance. Additionally, wastewater treatment plants are adopting energy recovery systems, such as biogas capture and cogeneration, to offset electricity usage. The drive toward decarbonization is encouraging municipalities and industries to evaluate the environmental footprint of their treatment operations. In the coming years, sustainability considerations will remain central to equipment selection and facility upgrades, supporting broader environmental and regulatory goals.

Segmental Insights

Equipment Type Insights

Disinfection Equipment segment dominates in the United States Secondary Water And Wastewater Treatment Equipment market in 2024 due to its critical role in public health protection and regulatory compliance. Disinfection is a mandatory final step in secondary treatment, effectively neutralizing harmful pathogens, viruses, and bacteria before the treated water is discharged into the environment or reused. With increasing pressure from federal and state environmental regulations, including the Clean Water Act and the Safe Drinking Water Act, utilities and industrial facilities are required to maintain stringent microbial standards, making disinfection equipment non-negotiable in the treatment process.

Chlorination systems, UV disinfection units, and ozone-based systems are widely deployed depending on the application. UV disinfection, in particular, has gained substantial momentum due to its chemical-free operation and effectiveness against chlorine-resistant microorganisms such as Cryptosporidium and Giardia. Municipal utilities are increasingly transitioning to UV systems to reduce chemical usage and minimize harmful byproducts like trihalomethanes (THMs). Meanwhile, ozone-based disinfection is being adopted in advanced facilities for its high oxidation potential and dual benefit of odor and color removal.

Furthermore, the growing demand for treated water reuse in agricultural, industrial, and landscape irrigation sectors fuels the need for high-efficiency disinfection. As reclaimed water must meet higher microbiological safety standards, the implementation of advanced disinfection technologies becomes essential. In industrial sectors, especially food and beverage and pharmaceuticals, zero-contamination policies further drive demand for precision disinfection systems.

The segment’s growth is also reinforced by the integration of smart control systems, which enable real-time monitoring and dosage adjustments, improving operational efficiency. As the U.S. continues to invest in water infrastructure upgrades and addresses challenges posed by aging systems, the disinfection equipment segment remains a cornerstone of compliance, safety, and water reuse initiatives, solidifying its dominant position in the market.

Application Insights

Municipal wastewater Treatment segment dominates in the United States Secondary Water And Wastewater Treatment Equipment market in 2024 due to increasing urbanization, population growth, and aging infrastructure. Cities are upgrading treatment facilities to meet stricter EPA discharge regulations and address rising volumes of wastewater. Public demand for safe, reliable water systems has driven substantial federal and state investments in municipal utilities. Additionally, initiatives promoting water reuse and sustainability have encouraged modernization efforts. These factors, combined with growing concerns over environmental pollution and health safety, position municipal applications as the leading segment in driving equipment demand across secondary treatment operations.


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Regional Insights

Largest Region

North-East dominated the United States Secondary Water And Wastewater Treatment Equipment market in 2024 due to several key factors. The region is characterized by a high population density and significant urbanization, resulting in substantial volumes of municipal and industrial wastewater requiring advanced treatment solutions. Major metropolitan areas such as New York City, Boston, and Philadelphia are driving demand for upgraded secondary treatment systems to comply with stringent environmental regulations and improve water quality.

The North-East has been a frontrunner in implementing rigorous state and federal wastewater discharge standards. These regulations push municipalities and industries to invest heavily in modern secondary treatment equipment, including biological treatment units and disinfection technologies, to reduce pollutants and protect sensitive water bodies like the Atlantic coastline and the Chesapeake Bay. Continuous government funding and grants also support infrastructure upgrades, accelerating market growth in the region.

Moreover, the North-East hosts a concentration of wastewater technology manufacturers, engineering firms, and research institutions that contribute to innovation and quick adoption of state-of-the-art secondary treatment solutions. This ecosystem facilitates faster project execution, technical expertise, and customization according to local needs, further boosting the market.

In addition, aging water infrastructure in many North-Eastern cities necessitates large-scale rehabilitation and replacement projects. These projects demand new secondary treatment equipment capable of handling increasing wastewater loads while improving operational efficiency and minimizing environmental impact. Rising awareness about water conservation, resource recovery, and sustainability among consumers and policymakers drives investment in secondary treatment equipment with enhanced energy efficiency and sludge reduction capabilities.

Emerging Region

South is the emerging region in the United States Secondary Water And Wastewater Treatment Equipment market in the coming period due to rapid population growth and urbanization in states like Texas, Florida, and Georgia. Increasing industrial activities and expanding municipalities are driving demand for advanced wastewater treatment solutions to meet stricter environmental regulations. Significant investments in upgrading aging infrastructure, coupled with favorable government policies and funding, are accelerating market expansion. Additionally, climate challenges such as droughts and water scarcity heighten the need for efficient water reuse and treatment technologies, positioning the South as a fast-growing market in the coming period.

Recent Developments

  • In February 2025, ONGC appointed bp as the Technical Services Provider (TSP) for Mumbai High, India’s largest offshore oil field. ONGC retains field ownership and operational control, while bp will initially receive a fixed fee for two years, transitioning to a performance-based fee tied to increased production. The collaboration aims to reverse production decline and drive sustainable output growth through bp’s technical expertise.
  • In November 2024, Cairn Oil & Gas, a subsidiary of Vedanta Group, became the first Indian oil and gas producer to join the UN Environment Programme’s OGMP 2.0. By signing the MoU, Cairn commits to enhanced methane reporting and emission reduction practices. The move aligns with global sustainability goals and underscores Cairn’s dedication to environmental stewardship and responsible energy production.
  • During India Energy Week in February 2025, bp signed an MoU with Engineers India Ltd (EIL) to explore cooperation in oil, gas, and refining sectors. The partnership will leverage EIL’s engineering capabilities to support bp’s global operations. The MoU reflects both companies’ commitment to enhancing technical collaboration and fostering innovation in energy infrastructure projects.
  • In November 2024, Kent was awarded a contract by BASF to provide engineering services for its gas treatment initiatives in the UAE. Kent will support the development of Process Design Packages (PDPs) within BASF’s OASE licensed technology. The scope includes delivering optimized process designs, preparing detailed PDPs, and ensuring full compliance with industry standards. Kent’s contributions will be critical throughout both the define and execute phases, reinforcing its expertise in complex energy sector engineering solutions.
  • In January 2025, Gradiant announced a strategic partnership with GF Piping Systems to enhance its delivery of high-performance water and wastewater treatment solutions across critical industries including semiconductors, pharmaceuticals, and critical minerals. The alliance leverages Gradiant’s advanced treatment technologies with GF Piping’s robust flow solutions, reinforcing Gradiant’s leadership in the global water sector while enabling scalable, reliable, and efficient solutions to meet the demands of increasingly complex industrial operations.
  • In February 2025, Products for Industry (PFi) introduced a world-first pure titanium cross-flow membrane for wastewater treatment, offering improved uptime, environmental performance, and yield. To enhance operational efficiency and ease of industrial integration, PFi partnered with Rockwell Automation, utilizing the CompactLogix™ control system and PanelView Plus™ terminal. This collaboration enables the delivery of a repeatable, streamlined, and scalable wastewater treatment solution tailored to modern industrial manufacturing environments.
  • In May 2024, Schneider Electric advanced its role in sustainable infrastructure by supporting India’s Namami Gange initiative. Partnering with SUEZ, the company is delivering advanced energy management and automation technologies for Delhi’s largest single-stage wastewater treatment plant. As the primary provider of NextGen automation solutions, Schneider Electric’s involvement underscores its commitment to digitizing essential utilities and contributing to large-scale, environmentally conscious water treatment initiatives aligned with government-led urban development plans.
  • In May 2025, India’s rapid urban expansion is driving a sharp rise in water demand and wastewater production, making efficient sewage treatment crucial for public health, regulatory compliance, and sustainable growth. Selecting the right sewage treatment plant (STP) manufacturer is vital for project success. This guide highlights key industry insights, evaluation criteria, and how SUSBIO is pioneering innovative solutions, positioning itself as a leading partner for delivering reliable and high-performance sewage treatment systems across India.
  • In February 2024, The Energy and Resources Institute (TERI) has partnered with Ion Exchange India Ltd through a TADOX Technology and Trademark License Agreement to commercialize TERI’s patented industrial wastewater treatment technology. The signing, attended by senior leaders including Shri G Asok Kumar (NMCG), Dr Vibha Dhawan (TERI), and Ion Exchange executives, marks a strategic collaboration aimed at advancing sustainable wastewater solutions and strengthening India’s industrial water management capabilities through innovative, scalable technologies.

Key Market Players

  • Veolia Environnement SA
  • Xylem Inc.
  • SUEZ SA
  • Pentair plc
  • Evoqua Water Technologies LLC
  • Aquatech International LLC
  • Ecolab Inc.
  • Ovivo Inc.
  • Toshiba Water Solutions Pvt. Ltd.
  • Parkson Corporation

By Equipment Type

By Application

By Region

  • Biological Treatment Equipment
  • Clarification Equipment
  • Filtration Equipment
  • Disinfection Equipment
  • Municipal Wastewater Treatment
  • Industrial Wastewater Treatment
  • North-East
  • Mid-West
  • West
  • South

Report Scope:

In this report, the United States Secondary Water And Wastewater Treatment Equipment Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

  • United States Secondary Water And Wastewater Treatment Equipment Market, By Equipment Type:

o   Biological Treatment Equipment

o   Clarification Equipment

o   Filtration Equipment

o   Disinfection Equipment

  • United States Secondary Water And Wastewater Treatment Equipment Market, By Application:

o   Municipal Wastewater Treatment

o   Industrial Wastewater Treatment

  • United States Secondary Water And Wastewater Treatment Equipment Market, By Region:

o   North-East

o   Mid-West

o   West

o   South

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the United States Secondary Water And Wastewater Treatment Equipment Market.

Available Customizations:

United States Secondary Water And Wastewater Treatment Equipment Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

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

United States Secondary Water And Wastewater Treatment Equipment Market is an upcoming report to be released soon. If you wish an early delivery of this report or want to confirm the date of release, please contact us at [email protected]  

Table of content

Table of content

1.    Product Overview

1.1.  Market Definition

1.2.  Scope of the Market

1.2.1.    Markets Covered

1.2.2.    Years Considered for Study

1.2.3.    Key Market Segmentations

2.    Research Methodology

2.1.  Objective of the Study

2.2.  Baseline Methodology

2.3.  Key Industry Partners

2.4.  Major Association and Secondary Sources

2.5.  Forecasting Methodology

2.6.  Data Triangulation & Validation

2.7.  Assumptions and Limitations

3.    Executive Summary

3.1.  Overview of the Market

3.2.  Overview of Key Market Segmentations

3.3.  Overview of Key Market Players

3.4.  Overview of Key Regions/Countries

3.5.  Overview of Market Drivers, Challenges, and Trends

4.    Voice of Customer

5.    United States Secondary Water And Wastewater Treatment Equipment Market Outlook

5.1.  Market Size & Forecast

5.1.1.    By Value

5.2.   Market Share & Forecast

5.2.1.    By Equipment Type (Biological Treatment Equipment, Clarification Equipment, Filtration Equipment, Disinfection Equipment)

5.2.2.    By Application (Municipal Wastewater Treatment, Industrial Wastewater Treatment)

5.2.3.    By Region (North-East, Mid-West, West, South)

5.3.  By Company (2024)

5.4.  Market Map

6.    North-East United States Secondary Water And Wastewater Treatment Equipment Market Outlook

6.1.  Market Size & Forecast

6.1.1.    By Value

6.2.  Market Share & Forecast

6.2.1.    By Equipment Type

6.2.2.    By Application

7.    Mid-West United States Secondary Water And Wastewater Treatment Equipment Market Outlook

7.1.  Market Size & Forecast

7.1.1.    By Value

7.2.  Market Share & Forecast

7.2.1.    By Equipment Type

7.2.2.    By Application

8.    West United States Secondary Water And Wastewater Treatment Equipment Market Outlook

8.1.  Market Size & Forecast

8.1.1.    By Value

8.2.  Market Share & Forecast

8.2.1.    By Equipment Type

8.2.2.    By Application

9.    South United States Secondary Water And Wastewater Treatment Equipment Market Outlook

9.1.  Market Size & Forecast

9.1.1.    By Value

9.2.  Market Share & Forecast

9.2.1.    By Equipment Type

9.2.2.    By Application

10.  Market Dynamics

10.1.     Drivers

10.2.     Challenges

11. Market Trends and Developments

11.1.     Merger & Acquisition (If Any)

11.2.     Product Launches (If Any)

11.3.     Recent Developments

12. Company Profiles

12.1.      Veolia Environnement SA

12.1.1. Business Overview

12.1.2. Key Revenue and Financials 

12.1.3. Recent Developments

12.1.4. Key Personnel

12.1.5. Key Product/Services Offered

12.2.     Xylem Inc.

12.3.     SUEZ SA

12.4.     Pentair plc

12.5.     Evoqua Water Technologies LLC

12.6.     Aquatech International LLC

12.7.     Ecolab Inc.

12.8.     Ovivo Inc.

12.9.     Toshiba Water Solutions Pvt. Ltd.

12.10.   Parkson Corporation

13. Strategic Recommendations

14. About Us & Disclaimer

Figures and Tables

Frequently asked questions

Frequently asked questions

The market size of the United States Secondary Water And Wastewater Treatment Equipment market was USD 19.71 Billion in 2024.

Industrial Wastewater Treatment is the fastest growing segment in the United States Secondary Water And Wastewater Treatment Equipment market, by application in coming period due to stringent environmental regulations, increased industrial output, and rising awareness of sustainable water management. Industries are investing heavily in advanced treatment technologies to reduce pollution and comply with federal and state discharge standards.

Challenges in the U.S. Secondary Water and Wastewater Treatment Equipment market include high capital and operational costs, aging infrastructure requiring costly upgrades, strict regulatory compliance complexities, and limited skilled workforce availability. Additionally, fluctuating funding and public resistance to rate increases hinder timely implementation of advanced treatment technologies.

Major drivers for the U.S. Secondary Water and Wastewater Treatment Equipment market include increasing urbanization, stringent environmental regulations, rising industrial wastewater volumes, government investments in infrastructure modernization, and growing awareness of water quality. These factors collectively fuel demand for advanced and efficient secondary treatment technologies across municipal and industrial sectors.

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