United States Wastewater Treatment Services Market 2026 | Growth Drivers, Key Players & Investment Opportunities

Market Size and Growth

The wastewater treatment services market growing at a CAGR of 8% during the forecast period (2023-2029).

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Key Development:

United States: Recent Industry Developments

✅ In January 2026, Jacobs was awarded a major contract to modernize the San José-Santa Clara Regional Wastewater Facility in California, focusing on advanced wastewater treatment upgrades, improved biosolids management, and long-term operational efficiency. The project strengthens critical municipal wastewater infrastructure. It supports regulatory compliance and sustainable water management goals.

✅ In January 2026, Illinois American Water announced new wastewater system investments across multiple communities, aimed at upgrading treatment facilities, improving service reliability, and modernizing aging infrastructure. The initiative enhances operational resilience. It supports long-term public health and environmental protection.

✅ In December 2025, a California municipality secured federal funding to upgrade its wastewater treatment plant, enabling improvements in treatment performance, system reliability, and water quality standards. The upgrades address aging assets. It strengthens local wastewater service delivery.

✅ In November 2025, U.S. wastewater utilities accelerated planning for large-scale infrastructure upgrades, driven by tightening regulations, climate resilience needs, and service reliability requirements. Utilities focused on treatment efficiency improvements. This signals sustained investment momentum in wastewater services.

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Japan: Recent Industry Developments

✅ In January 2026, a major wastewater industry exhibition in Japan showcased next-generation treatment, monitoring, and maintenance technologies, bringing together public utilities and service providers. The event highlighted advanced wastewater solutions. It supports technology adoption across municipal systems.

✅ In December 2025, a consortium led by international and Japanese operators secured a long-term contract to renovate and operate a municipal wastewater treatment facility in Aichi Prefecture, covering modernization and operations over multiple decades. The project improves system performance. It reinforces public-private partnership models.

✅ In November 2025, Japanese wastewater service providers expanded deployment of decentralized treatment solutions, targeting smaller municipalities and industrial users. These systems enhance flexibility and efficiency. They support sustainable wastewater management strategies.

✅ In November 2025, Japanese engineering firms increased participation in international wastewater treatment service projects, leveraging domestic expertise in plant design, construction, and operations. The expansion strengthens global service presence. It reflects growing demand for advanced wastewater solutions.

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

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Key Segments:

By Service Type

Designing & Engineering Consult leads the market with an estimated 35% share, driven by increasing demand for optimized plant layouts, process efficiency, and compliance with safety and environmental regulations. Building & Installation Services follow closely with around 28%, supported by industrial expansion, retrofitting of aging plants, and infrastructure modernization projects. Operation & Process Control Maintenance Services account for nearly 25%, benefiting from the need for continuous monitoring, preventive maintenance, and process optimization across industries. Others represent approximately 12%, including training, logistics support, and specialized technical services.

By End-User

Industrial segment dominates with around 62% share, driven by the high demand for consulting, installation, and maintenance services across manufacturing plants, refineries, chemical processing units, and food processing facilities. Municipal users contribute approximately 38%, supported by projects in water treatment, wastewater management, smart city initiatives, and municipal infrastructure upgrades.

By Industry

Chemical & Pharmaceutical leads the market with 21% share, fueled by complex process requirements, regulatory compliance, and modernization of production facilities. Food Industry follows with nearly 17%, supported by growing automation, hygiene standards, and packaging innovations. Pulp & Paper and Oil & Gas account for 12% and 14%, respectively, driven by plant efficiency, retrofitting, and energy optimization initiatives. Metal & Mining holds around 10%, and Power Generation approximately 9%, due to ongoing infrastructure expansion and maintenance projects. Others (textile, automotive, electronics) represent the remaining 17%.

By Region

North America leads the market with 33% share, supported by advanced industrial infrastructure, adoption of smart manufacturing, and a strong base of service providers. Europe holds 28%, driven by sustainable industrial practices, regulatory compliance, and modernization of chemical, pharmaceutical, and food industries. Asia Pacific accounts for 27% and is the fastest-growing region, fueled by industrialization, foreign investments, and infrastructure expansion in China, India, Japan, and Southeast Asia. Latin America contributes approximately 7%, while Middle East & Africa account for around 5%, supported by energy, oil & gas, and municipal infrastructure projects.

FAQ

Q: What is the growth rate of the wastewater treatment services Market?

A: The market is projected to expand at a compound annual growth rate (CAGR) of 8% during the forecast period from 2024 to 2031.

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