The Global Agricultural Waste Water Treatment (WWT) Market was valued at USD 149.12 Billion in 2025 and is projected to reach USD 198.81 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2025–2032). This robust growth is being driven by intensifying environmental regulations, acute water scarcity, and the global push for sustainable agriculture, which demands effective solutions for treating pollutants like nutrients, pesticides, and organic matter from farm runoff and livestock operations.

As the agricultural sector faces mounting pressure to reduce its environmental footprint, the focus shifts to the key technology and service providers enabling this critical transition. In this blog, we profile the Top 10 Companies in the Agricultural WWT Industry—a mix of global water technology giants, specialized engineering firms, and innovators pioneering resource recovery and smart treatment solutions for the future of farming.

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🔟 1. SUEZ Water Technologies & Solutions

Headquarters: Trevose, Pennsylvania, USA
Key Offering: Integrated WWT solutions, membrane bioreactors (MBR), nutrient recovery systems, ozone and UV disinfection

As a global leader in water and waste technologies, SUEZ offers a comprehensive portfolio for agricultural wastewater management. Their solutions are designed to handle complex effluents from large-scale farms and food processing facilities, focusing on water reuse and compliance with stringent discharge standards.

Sustainability & Innovation Initiatives:

• Advanced Biological Nutrient Removal (BNR) technologies for nitrate and phosphate control.
• ZEELUNG® MBR systems for high-quality effluent suitable for irrigation.
• Partnerships with agribusinesses for circular water management projects.

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9️⃣ 2. Veolia Environnement S.A.

Headquarters: Paris, France
Key Offering: End-to-end treatment services, anaerobic digestion, constructed wetlands, digital water management

Veolia provides tailored water treatment and resource recovery solutions for the agricultural sector worldwide. Their expertise spans treating livestock wastewater, managing irrigation return flows, and converting organic waste into biogas and fertilizers, aligning with circular economy principles.

Sustainability & Innovation Initiatives:

• Development of compact, energy-efficient treatment units for remote farms.
• Focus on Anaerobic Membrane Bioreactors (AnMBR) for energy-positive treatment.
• HUBGRADE digital platform for optimizing treatment plant performance and reducing carbon footprint.

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8️⃣ 3. Evoqua Water Technologies LLC (a Xylem company)

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Biological treatment systems, filtration, disinfection, mobile water services

Evoqua, now part of Xylem, is a prominent provider of critical water treatment technologies. In agriculture, they address challenges like high-strength organic waste from dairy and poultry operations, offering systems that ensure regulatory compliance and enable water recycling.

Sustainability & Innovation Initiatives:

• Memcor® MBR and LEAPmbr® technologies for robust and efficient treatment.
• Specialized solutions for removing emerging contaminants like pesticides and hormones.
• On-site mobile treatment services for seasonal or emergency agricultural needs.

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7️⃣ 4. DuPont Water Solutions (now part of DuPont de Nemours, Inc.)

Headquarters: Wilmington, Delaware, USA
Key Offering: Advanced membrane technologies (RO, UF, NF), ion exchange resins, system design

DuPont Water Solutions is a leader in separation and purification technologies. Their membrane and resin products are crucial for advanced agricultural WWT applications, particularly for desalinating brackish irrigation drainage and polishing effluent to very high standards for reuse.

Sustainability & Innovation Initiatives:

• FILMTEC™ reverse osmosis elements for removing dissolved salts and nitrates.
• Innovations in fouling-resistant membranes to reduce cleaning frequency and energy use.
• Collaborations on pilot projects for zero-liquid-discharge (ZLD) systems in water-stressed agricultural regions.

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6️⃣ 5. Kurita Water Industries Ltd.

Headquarters: Tokyo, Japan
Key Offering: Chemical treatment programs, flocculants, scale inhibitors, monitoring and control systems

Kurita is a major force in water treatment chemicals and applied technologies, with significant focus on Asia-Pacific’s intensive agricultural sector. They provide solutions to manage scaling, corrosion, and biological growth in irrigation systems and treatment plants, improving efficiency and longevity.

Sustainability & Innovation Initiatives:

• Development of biodegradable and low-environmental-impact chemicals.
• KIERACT® advanced oxidation process for degrading persistent organic pollutants.
• Smart dosing systems that use sensors and AI to optimize chemical use and minimize waste.

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5️⃣ 6. IDE Technologies Ltd.

Headquarters: Kadima, Israel
Key Offering: Thermal and membrane desalination, water reuse solutions, containerized treatment plants

IDE Technologies is renowned for its expertise in desalination and high-recovery water treatment. In agriculture, they address the critical need to treat and reuse salty drainage water and wastewater, enabling farming in arid regions and protecting freshwater resources.

Sustainability & Innovation Initiatives:

• PROGREEN™ reverse osmosis technology designed for challenging agricultural wastewater.
• Containerized, plug-and-play treatment units for decentralized farm applications.
• Leading projects that integrate treated wastewater into large-scale irrigation schemes.

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4️⃣ 7. Black & Veatch Corporation

Headquarters: Overland Park, Kansas, USA
Key Offering: Engineering, procurement, and construction (EPC) services, master planning, asset management

Black & Veatch is a top-tier global engineering firm that designs and builds complex water infrastructure, including large agricultural WWT facilities. They work with government agencies, cooperatives, and agribusinesses to develop sustainable water management strategies and implement cutting-edge treatment technologies.

Sustainability & Innovation Initiatives:

• Design of lagoon conversion and upgrade projects to meet modern environmental standards.
• Integration of renewable energy sources (solar, biogas) into treatment plant designs.
• Expertise in watershed management and non-point source pollution control planning.

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3️⃣ 8. AECOM

Headquarters: Dallas, Texas, USA
Key Offering: Consulting, design, program management, environmental impact assessment

AECOM provides comprehensive planning and engineering services for agricultural water challenges. Their work helps clients navigate regulations, assess treatment options, and implement solutions that balance environmental protection with agricultural productivity, often for large irrigation districts and governmental bodies.

Sustainability & Innovation Initiatives:

• Development of Integrated Water Resources Management (IWRM) frameworks for agricultural basins.
• Pioneering the use of nature-based solutions like treatment wetlands for farm runoff.
• Life-cycle cost analysis and financing strategies to make WWT projects economically viable.

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2️⃣ 9. Aquatech International LLC

Headquarters: Canonsburg, Pennsylvania, USA
Key Offering: Zero Liquid Discharge (ZLD) systems, thermal evaporation, crystallizers

Aquatech specializes in advanced water purification and minimal liquid discharge technologies, which are increasingly relevant for agriculture in water-scarce areas. Their systems are capable of recovering over 95% of water for reuse and extracting solid salts or fertilizers, addressing both water and waste challenges.

Sustainability & Innovation Initiatives:

• Deployment of ZLD for concentrated animal feeding operation (CAFO) wastewater.
• Innovations in mechanical vapor recompression (MVR) to reduce the energy footprint of thermal processes.
• Focus on recovering potassium and phosphorus salts as sellable fertilizer products.

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1️⃣ 10. Organo Corporation

Headquarters: Tokyo, Japan
Key Offering: Water purification plants, filtration systems, ultrapure water systems, operation & maintenance

Organo is a leading Japanese water treatment engineering company with significant expertise in high-purity and industrial water applications. In agriculture, they apply this precision engineering to develop reliable and efficient systems for treating processing plant effluents and contaminated groundwater.

Sustainability & Innovation Initiatives:

• Advanced coagulation and filtration systems for removing fine suspended solids and colloids.
• Bioresource recovery technologies that convert agricultural waste into functional materials for water treatment.
• Strong focus on automation and remote monitoring to ensure consistent treatment performance with minimal manpower.

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🌍 Outlook: The Future of Agricultural WWT Is Circular and Connected

The agricultural WWT market is undergoing a fundamental transformation. While conventional treatment for compliance remains essential, the industry is rapidly moving towards resource recovery, energy efficiency, and digital integration. The goal is no longer just cleaning water, but creating value from waste streams.

📈 Key Trends Shaping the Market:

• Accelerated adoption of Anaerobic Digestion for biogas production from livestock waste.
• Growth of Nutrient Recovery Technologies (e.g., nitrogen stripping, phosphorus crystallization) to produce agricultural inputs.
• Integration of IoT sensors and AI-powered analytics for predictive maintenance and optimized treatment performance.
• Rising popularity of Modular and Containerized Treatment Units that lower the barrier to entry for mid-sized farms.

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Agricultural Waste Water Treatment (WWT) Market – View in Detailed Research Report

The companies profiled above are not only providing essential treatment solutions—they are enabling the sustainable intensification of global agriculture, ensuring food security while protecting our planet’s vital water resources.