Biosolids Market Revenue, Segmentation, and Key Players Outlook to 2033

Nikita Agrawal

Jun 18, 2025 - 13:43

The global biosolids market is experiencing steady growth, valued at US$ 1.7 billion in 2023 and projected to reach US$ 2.7 billion by 2033, registering a compound annual growth rate (CAGR) of 4.6%. This growth is driven by increasing demand for sustainable waste management solutions, stringent environmental regulations, and the rising adoption of biosolids as an eco-friendly alternative to chemical fertilizers. Biosolids, nutrient-rich organic materials derived from wastewater treatment, are widely used as soil conditioners and fertilizers, particularly in agriculture, contributing to soil health and reducing reliance on synthetic inputs.

The market’s significance lies in its role in advancing circular economy practices and addressing global challenges like food security and environmental sustainability. With over 80% of wastewater globally discharged untreated, biosolids offer a critical solution for managing sewage sludge while recycling valuable nutrients. The integration of advanced treatment technologies, such as thermal hydrolysis and anaerobic digestion, is enhancing the quality and safety of biosolids, further boosting their application across agriculture, land reclamation, and energy production.

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Market Analysis

The biosolids market is propelled by the growing emphasis on sustainable waste management and the need to reduce environmental pollution. Stringent regulations, such as the U.S. EPA’s Part 503 Rule and the EU’s Sewage Sludge Directive, mandate safe biosolids use, encouraging municipalities to adopt recycling practices. The agriculture sector’s increasing demand for organic fertilizers, driven by consumer preference for sustainable farming, further fuels market growth. Technological advancements, like anaerobic digestion and thermal hydrolysis, improve biosolids quality by reducing pathogens and enhancing nutrient content, making them more appealing for diverse applications. However, challenges persist, including high capital and operational costs for wastewater treatment, public opposition due to odor and contaminant concerns, and limited technological advancements in some regions. Regulatory complexities and the need for continuous monitoring to ensure compliance also pose hurdles, particularly for smaller municipalities.

Segment Analysis

The biosolids market is segmented by form, class, and application, each contributing to its diverse growth dynamics. By form, cakes dominate due to their ease of handling and widespread use in agriculture and land reclamation, while pellets are gaining traction for their convenience in precision application. Liquid biosolids, though less common, are used in specific agricultural settings requiring immediate nutrient delivery. By class, Class A biosolids lead the market, accounting for a significant share due to their pathogen-free status and suitability for public-contact applications like landscaping. Class B biosolids, used primarily in agriculture and land reclamation, face declining demand due to odor and regulatory scrutiny. By application, agriculture holds the largest share, exceeding 60% in 2023, driven by biosolids’ nutrient-rich profile as fertilizers and soil conditioners. Non-agricultural applications, such as land reclamation and energy recovery, are growing as industries seek sustainable solutions for waste management and renewable energy.

Country-wise Insights

In the United States, the biosolids market is a global leader, with an estimated value of US$ 0.2 billion in 2021 and projected to grow at a CAGR of 4.5% through 2031. The U.S. produces approximately 7 million dry tons of biosolids annually, with over 50% recycled for agricultural use, supported by the EPA’s Part 503 Rule and growing demand for sustainable farming practices. Investments in wastewater treatment infrastructure further drive market expansion. In the United Kingdom, the biosolids market is poised to expand at a CAGR of 5.3% from 2021 to 2031, driven by stringent EU regulations and increasing wastewater treatment activities. The UK’s focus on circular economy initiatives and the use of biosolids in agriculture and land reclamation supports steady growth, though public acceptance and odor concerns remain challenges.

Key Players

Cambi Group AS
Cleanaway Waste Management Limited
EnGlobe Corp.
REMONDIS SE & Co. KG
Synagro Technologies

Strategic Outlook and Industry Trends

The biosolids market is undergoing a transformation driven by innovation and sustainability. Advanced treatment technologies, such as thermal hydrolysis and high-temperature pyrolysis, are enhancing biosolids’ safety and energy recovery potential, aligning with global renewable energy goals. The shift toward circular economy practices is creating opportunities for biosolids in new applications, like biochar production and bioplastics development. Strategic collaborations, such as Cambi’s thermal hydrolysis plant contract in Poland, are expanding production capabilities and market reach. Manufacturers are investing in R&D to address public concerns about contaminants and odors, developing high-quality Class A biosolids to meet regulatory standards. To remain competitive, companies must navigate regulatory complexities and invest in cost-effective, sustainable solutions while fostering public acceptance through transparent communication and community engagement.

Segmentation of Biosolids Market

By Form: