Water and Wastewater Treatment Equipment Market Size, Share, Trends, Industry Analysis Report, 2026 - 2034
REPORT DETAILS
Water and Wastewater Treatment Equipment Market Summary
The global water and wastewater treatment equipment market size was valued at USD 64.95 billion in 2025. The market is projected to grow at a CAGR of 5.40% during 2026 to 2034. Key factors driving demand for water and wastewater treatment equipment include increasing global population and urbanization, growing water scarcity and pollution, stricter government regulations on water quality and discharge, and rapid industrialization.
Market Statistics
Key Takeaways
- Asia Pacific accounted for the largest revenue share of 32.0% in the global water and wastewater treatment equipment market in 2025, owing to the growing population and rapid technological advancements in wastewater technologies.
- North America is anticipated to grow at a robust CAGR of 4.9% over the forecast years, owing to the strict regulatory norms on water discharge and growing urbanization.
- The membrane separation segment held the largest revenue share of 28.0% in 2025, due to its high filtration efficiency and compact operating area.
- Based on the process, the tertiary segment accounted for a major revenue share of 44.0% in 2025 due to its high usage to improve water emission quality before reusing.
Note: Figures and projections outlined in this report are the result of Polaris Market Research’s proprietary analytical processes, grounded in the latest available datasets and market observations.
Industry Dynamics
- The rising penetration of manufacturing industries across the world fuels the industry growth.
- The growing public awareness, rising water scarcity, and an increase in population are also anticipated to increase demand for water and wastewater treatment equipment.
- The rising investments by the government for cleaning water bodies in major emerging economies are creating a lucrative market opportunity.
- High energy consumption may hamper the market growth.
AI Impact on the Water and Wastewater Treatment Equipment Market
- AI-Based Predictive Maintenance: AI is used to detect equipment failures in pumps, membranes, and filtration systems before breakdowns occur. This reduces downtime and maintenance costs.
- Smart Water Quality Monitoring: AI-based sensors analyze pH, turbidity, chemical composition, and contamination levels in real time. These benefits help improve treatment accuracy.
- Energy Consumption Optimization: Systems integrated with AI optimize aeration, pumping, and filtration operations. It reduces electricity consumption in treatment facilities.
- Leakage & Pipeline Detection: AI-enabled analytics identify leaks, pipe corrosion, and abnormal flow patterns. This improves water distribution efficiency and reducing losses.
- Automated Process Control: This technology improves filtration, disinfection, and sludge treatment processes with minimal human intervention.
- Remote Plant Monitoring: AI combined with IoT facilitates centralized monitoring and management of water treatment facilities across multiple locations.
Source: Polaris Market Research Analysis
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What is Water and Wastewater Treatment Equipment?
Water and wastewater treatment equipment is used to purify water for safe consumption and to treat wastewater before its reuse. Wastewater treatment equipment includes filtration units, clarifiers, aerators, disinfection systems, membranes, pumps, and sludge treatment devices. The main goal of this equipment is to remove contaminants such as suspended solids, harmful microorganisms, chemicals, and organic matter. This machine is used in municipal, industrial, and commercial spaces for safe drinking water production and industrial process water recycling. Water and wastewater treatment equipment also helps meet regulatory standards and promote sustainability.
Wastewater treatment equipment is widely used in urban areas to supply safe drinking water and manage sewage. Equipment such as filtration systems, disinfection units, and sludge treatment is used to ensure that contaminants are removed from water sources and wastewater is treated before being discharged back into rivers or reused. This equipment protects public health. Water treatment equipment is used in industries such as chemicals, pharmaceuticals, and others to purify process water, recycle wastewater, and meet stringent discharge regulations. Hotels, office buildings, hospitals, and shopping complexes further use compact water and wastewater treatment systems to provide clean drinking water.
Difference Between Water Treatment vs Wastewater Treatment
| Aspect | Water Treatment | Wastewater Treatment |
| Primary Objective | Purifies raw water to make it safe for drinking, industrial processing, or commercial use. | Treats used or contaminated water before discharge, reuse, or environmental release. |
| Source of Water | Surface water, groundwater, desalinated seawater, and municipal water supplies. | Industrial effluents, sewage, agricultural runoff, and municipal wastewater streams. |
| Main Treatment Processes | Filtration, coagulation, sedimentation, reverse osmosis, disinfection, and softening. | Primary settling, biological treatment, sludge processing, aeration, chemical treatment, and disinfection. |
| Contaminants Removed | Suspended solids, microorganisms, dissolved salts, heavy metals, hardness, and odors. | Organic waste, oils, grease, pathogens, toxic chemicals, nutrients, and industrial pollutants. |
| Equipment Used | Filters, membrane systems, UV sterilizers, ion exchange systems, RO systems, and clarifiers. | Aeration tanks, sludge dewatering equipment, biological reactors, grit chambers, clarifiers, and digesters. |
| Regulatory Focus | Ensures water quality meets potable or industrial standards. | Ensures treated discharge complies with environmental and wastewater disposal regulations. |
| Industrial Applications | Drinking water production, pharmaceutical manufacturing, food & beverage processing, and power generation. | Municipal sewage treatment, chemical manufacturing, mining, oil & gas, textile, and pulp & paper industries. |
| End Result | Produces clean and reusable water for consumption or industrial operations. | Produces environmentally safe effluent and minimizes ecological contamination. |
| Operational Complexity | Focused on purification efficiency and maintaining water quality consistency. | More complex due to varying contaminant loads and biological treatment requirements. |
| Market Demand Drivers | Rising clean water demand, industrialization, and water scarcity concerns. | Growing environmental regulations, wastewater recycling initiatives, and industrial discharge management needs. |
Source: Polaris Market Research Analysis
Industry Dynamics
Market Drivers
The growth in urbanization is leading to the market growth. United Nations, in its report, stated that the global urban population is projected to increase to around two-thirds of the total population in 2050. This is increasing the need for infrastructure to provide safe drinking water and manage sewage efficiently, which is driving the the adoption of wastewater treatment equipment. Urbanization is further propeling the contruction of residential complexes, commercial spaces, and industrial hubs. This is creating need for clean water supply and effective wastewater management, which is leadint to the market frowth. Moreover, the growing population in countries such as India and China along with government focus on safe drinking water is driving the demand for wastewater treatment equipment.
Source: Polaris Market Research Analysis
Report Segmentation
The market is primarily segmented based on type, process, application, and region.
| By Type | By Process | By Application | By Region |
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Source: Polaris Market Research Analysis
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Membrane Separation Segment Accounted for the Largest Market in 2025
The membrane separation segment held the largest revenue share of 28.0% in 2025, due to its high filtration efficiency and compact operating area. Membrane separation helps in creating high-quality, chemical-free treated water with excellent clarity and low turbidity, which contributed to its wide adoption. The low energy consumption of membrane separation further propelled many industries to turn to this system for removing water containments with lower operating cost. These factors led the segment dominance in 2024.
The biological treatment segment is projected to grow at a robust pace of 5.8% in the coming years. Various developed countries such as the U.S., Canada, Japan, and Germany are enhancing the usage of biological cleaning equipment by imposing stringent regulations for minimizing water pollution in the manufacturing sectors by using such eco-friendly methods.
Source: Polaris Market Research Analysis
Tertiary Segment Accounted for the Largest Market Share in 2025
Based on the process, the tertiary segment dominated the revenue share of 44.0% in 2025, due to its high usage to improve water emission quality before reusing and discharging the same in the ecosystem. In the tertiary process, effluent is reused by removing inorganic elements such as viruses, bacteria, and parasites, and therefore, making the water ideal for reuse. The segment's dominance is further attributed to its ability to help in meeting compliance with stringent environmental regulations. Agricultural irrigation and public water supply contributed to the segment's dominance as these sector heavily use tertiary process for the treatment of water.
Technological Advancements in Water Treatment Equipment
| Technological Advancement | Description | Industry Impact |
| Advanced Membrane Technologies | Innovations in reverse osmosis (RO), nanofiltration (NF), ultrafiltration (UF), and membrane bioreactors improve contaminant removal efficiency and water recovery rates. | Enhances purification performance, reduces operational costs, and supports large-scale water reuse and desalination projects. |
| AI-Powered Monitoring Systems | AI and machine learning (ML) enable real-time monitoring of water quality, system performance, and predictive maintenance requirements. | Improves operational efficiency, minimizes downtime, and enhances treatment accuracy and regulatory compliance. |
| Energy-Efficient Desalination Technologies | Modern desalination systems utilize advanced energy recovery devices, low-pressure membranes, and optimized process designs to reduce power consumption. | Lowers energy costs and increases adoption of desalination in water-scarce regions worldwide. |
| Smart Sensors & IoT Integration | IoT-enabled smart sensors continuously monitor parameters such as pH, turbidity, dissolved oxygen, pressure, and contaminant levels. | Enables real-time data analysis, remote monitoring, and faster response to operational issues. |
| Automated Filtration Systems | Automated backwashing, self-cleaning filters, and intelligent filtration controls improve system efficiency and reduce manual intervention. | Reduces maintenance requirements, improves reliability, and increases treatment plant productivity. |
| UV & Advanced Oxidation Technologies | Advanced UV disinfection and oxidation processes eliminate microorganisms, pharmaceuticals, and emerging contaminants without excessive chemical usage. | Enhances water safety while supporting environmentally sustainable treatment solutions. |
| Digital Twin Technology | Virtual replicas of treatment plants simulate operational performance and maintenance scenarios using real-time data. | Optimizes plant operations, reduces failures, and improves long-term asset management. |
| Robotics & Autonomous Inspection Systems | Robotic systems are increasingly used for pipeline inspection, tank cleaning, and equipment monitoring in hazardous environments. | Improves worker safety, inspection accuracy, and operational efficiency. |
| Electrochemical Water Treatment | Advanced electrocoagulation and electrooxidation technologies provide efficient removal of heavy metals, pathogens, and industrial pollutants. | Supports sustainable treatment with lower chemical dependency and improved contaminant removal. |
| Water Recycling & Zero Liquid Discharge (ZLD) Systems | Advanced recycling and ZLD technologies recover reusable water while minimizing wastewater discharge. | Supports sustainability initiatives and helps industries comply with stringent environmental regulations. |
Source: Polaris Market Research Analysis
Asia Pacific Dominated the Global Water and Wastewater Treatment Equipment Market in 2025
The Asia Pacific water and wastewater treatment equipment market held the largest revenue share of 32.0% in 2025. This dominance is attributed to the high presence of manufacturing facilities, particualry in countries like South Korea, India, China, and Japan. The growing population in countries like India and China also created the demand for water and wastewater treatment equipment. The increasing deployment of regulation norms on safe discharing of wastewater into water bbodies further contributed to the market dominance in the region. Moreover, the high urban population in the region lead the adoption of water and wastewater treatment equipment in 2024. United Nations Human Settlements Programme, in its report, stated that the urban population in Asia is expected to grow by 50% by 2050.
North America is anticipated to grow at a robust CAGR of 4.9% over the forecast years, owing to the strict regulatory norms on water discharge and growing urbanization. The existence of prominent market companies in the region along with rapid technolgical advancemet in wastewater treatment equipment is driving the market in the region. The high awarness among people about the water-borne diseases is further leading the market growth. Increasing product launches and growing government investment in the development of water treatment facilities is fueling the market revenue in the region.
Source: Polaris Market Research Analysis
Competitive Insight
- Ashland Technologies
- Aquatech International LLC Technologies
- Calgon Carbon Corp.
- Danaher Corporation
- Degremont SAS
- Dow Solutions
- DuPont
- Ecolab Inc
- Evoqua
- GE Technologies
- Kemira OYJ
- Pentair plc
- SUEZ
- Veolia
- Xylem Inc.
Recent Developments
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April 2026: DuPont Water Solutions launched the Reverse Osmosis (RO) Operations Advisor. This AI‑enabled digital tool is designed to help RO operators lower downtime and optimize system performance. It can be used reduce the cost of treated water. (Source: PRNewswire)
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March 2025: DuPont Water Solutions launched WAVE PRO, an online modeling tool for optimizing ultrafiltration systems, enabling performance simulation, module selection, and more efficient water and wastewater treatment design. (Source: dupoint.com)
Water and Wastewater Treatment Equipment Market Report Scope
| Report Attributes | Details |
| Market size value in 2025 | USD 64.95 billion |
| Market size value in 2026 | USD 68.38 billion |
| Revenue forecast in 2034 | USD 104.24 billion |
| CAGR | 5.40% from 2026 - 2034 |
| Base year | 2025 |
| Historical data | 2021 - 2024 |
| Forecast period | 2026 - 2034 |
| Quantitative units | Revenue in USD billion and CAGR from 2026 to 2034 |
| Segments covered |
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| Regional scope |
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| Key companies | Ashland Technologies, Aquatech International LLC Technologies, Calgon Carbon Corp., Danaher Corporation, Degremont SAS, Dow Solutions, DuPont, Ecolab Inc, Evoqua, GE Technologies, Kemira OYJ, Pentair plc, SUEZ, Veolia, Xylem Inc. |
Source: Polaris Market Research Analysis
FAQ's
• The global market size was valued at USD 64.95 billion in 2025 and is projected to grow to USD 104.24 billion by 2034.
• The global market is projected to register a CAGR of 5.40% during the forecast period.
• Asia Pacific dominated the market with 32.0% share in 2025.
• A few of the key players in the market include Ashland Technologies, Aquatech International LLC Technologies, Calgon Carbon Corp., Danaher Corporation, Degremont SAS, Dow Solutions, DuPont, Ecolab Inc., Evoqua, GE Technologies, Kemira OYJ, Pentair plc, SUEZ, Veolia, Xylem Inc.
• The membrane separation segment dominated the market revenue with 28.0% share in 2025.
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