Global Wastewater Treatment Services Market to Grow at a CAGR of 10% During 2024-2031 | Key Players: Veolia Group, Xylem Inc., Suez S.A.

The wastewater treatment services market size is estimated to reach USD million by 2029, growing at a CAGR of 10% during the forecast period (2024-2031).

Wastewater Treatment Services provide specialized solutions for processing industrial and municipal wastewater to remove contaminants, pathogens, and pollutants before safe discharge or reuse. These services employ advanced technologies like physical filtration, biological digestion, chemical precipitation, and membrane systems to handle high volumes of effluents from sectors such as manufacturing, mining, food processing, and power generation. With escalating environmental regulations and water scarcity driving the need for sustainable practices, providers offer customized treatment plants, zero-liquid discharge systems, and sludge management to ensure compliance and resource recovery. Integration of AI monitoring and modular designs enables efficient scaling, cost reduction, and minimal environmental impact for clients worldwide. As industries prioritize ESG goals amid climate pressures, Wastewater Treatment Services are indispensable for operational resilience and ecological stewardship.

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United States: Recent Industry Developments
✅ In November 2025, U.S. wastewater treatment firms launched AI-optimized biological systems using microbes to degrade organic waste, slashing COD/BOD levels by up to 90% in industrial effluents.

✅ In October 2025, American providers integrated membrane bioreactors with nanofiltration for energy-efficient purification, enabling water reuse in agriculture and reducing operational costs.

✅ In September 2025, utilities adopted autonomous in-situ treatment units with real-time sensors, decentralizing management for remote facilities and cutting infrastructure expenses.

Japan: Recent Industry Developments
✅ In November 2025, Japanese companies deployed advanced microbial fuel cells in wastewater services, generating electricity while treating high-organic effluents from food processing.

✅ In October 2025, firms enhanced phycoremediation systems using algae to extract nutrients and heavy metals, supporting circular economy reuse in farming.

✅ In September 2025, collaborations introduced AI-driven predictive analytics for proactive maintenance, minimizing downtime in urban treatment networks.

Key Merges and Acquisitions(2025):
✅ Kemira - strengthened its wastewater treatment services in 2025 by acquiring Water Engineering, Inc., enhancing industrial water solutions for boiler, cooling tower, and wastewater management in food & beverage, manufacturing, and healthcare sectors.​

✅ Ingersoll Rand - expanded its wastewater treatment capabilities through the acquisition of SSI Aeration, Inc., enabling energy-efficient membrane diffusers and comprehensive solutions for municipal and industrial markets with accelerated growth potential.​

✅ EQT Infrastructure - pursued strategic acquisitions in 2025 targeting Seven Seas Water Group, a leader in sustainable water and wastewater solutions via Water-as-a-Service model, focusing on decentralized plants, desalination, and reuse across the U.S., Caribbean, and Latin America.​

Segment Covered in the Wastewater Treatment Services Market:
- By Service Type
Design and engineering consultation leads with 35% share, essential for customizing treatment plants to meet regulatory standards and efficiency needs. Operation and process control holds 30%, driven by ongoing monitoring and automation for optimal performance. Building/installation and maintenance services capture 20% and 15%, supporting infrastructure upgrades and long-term reliability.​

- By End User
Municipal and government bodies dominate with 50% share, fueled by urban population growth and public sewage system expansions. Industrial end-users account for 40%, addressing compliance in high-volume waste generation. Residential segments hold 10%, growing with decentralized treatment solutions.​

- By Industry
Food & beverage leads with 25% share, due to stringent organic waste regulations and water reuse demands. Chemicals and oil & gas follow at 20% each, prioritizing contaminant removal and environmental compliance. Municipal wastewater, power generation, pharmaceuticals, and pulp & paper collectively capture 35%, driven by sector-specific pollution controls.​

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Growth Drivers:
- Stringent environmental regulations and compliance mandates worldwide, pushing industries and municipalities to invest in advanced wastewater treatment to meet discharge standards and avoid penalties.​

- Rapid urbanization and population growth generating higher volumes of domestic and industrial wastewater, necessitating expanded treatment infrastructure.​

- Rising emphasis on water scarcity solutions through recycling, reuse initiatives, and circular economy practices to recover resources like energy and nutrients.​

- Technological advancements in automation, membrane bioreactors, biological nutrient removal, and decentralized systems improving efficiency and sustainability.​

- Increasing industrialization in sectors like pharmaceuticals, chemicals, food & beverages, and oil & gas, driving demand for specialized treatment services amid corporate sustainability goals.​

Regional Insights
- Asia-Pacific dominates the global wastewater treatment services market, typically accounting for 35-40% of total revenues. Growth is fueled by rapid industrialization, urbanization, and stringent environmental regulations in China, India, and Southeast Asia, driving demand for municipal and industrial treatment solutions.​

- North America holds a significant share, around 25-28% of global revenues. Expansion stems from advanced infrastructure, regulatory compliance like EPA standards, and investments in water reuse across the U.S., Canada, and Mexico.​

- Europe represents a key market, capturing about 20-22% market share. Progress is supported by EU directives on water quality, upgrades to aging systems, and focus on sustainable tech in Germany, France, the U.K., and Italy.​

- South America accounts for roughly 5-6% of revenues, boosted by infrastructure projects and mining/agriculture needs, particularly in Brazil and Argentina.​

- Middle East & Africa comprise approximately 4-5%, with growth from desalination integration, urban development, and oil sector demands in the UAE, Saudi Arabia, and South Africa.

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Key Players:
Veolia Group, Xylem Inc., Suez S.A., Ecolab Inc., Thermax Limited, Evoqua Water Technologies, Pentair, and Wog Technologies, Golder Associates, and Terrapure Environmental.

Key Highlights (Top 3 Key Players) for Wastewater Treatment Services :
- Veolia Group generates strong revenue from wastewater treatment services, providing comprehensive solutions for municipal and industrial clients including water recycling, sludge management, and advanced biological treatment processes across global operations.​

- Xylem Inc. drives robust revenue through innovative wastewater treatment services, leveraging pumps, sensors, and digital analytics for efficient collection, treatment, and reuse in utilities and industrial applications.​

- Suez S.A. achieves consistent revenue growth via integrated wastewater treatment services, focusing on operations, maintenance, and resource recovery for urban infrastructure and industrial effluents post its strategic restructuring.

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