Biological Wastewater Treatment Market Report 2026

Biological Wastewater Treatment Market Overview

• Biological Wastewater Treatment market size has reached to $11.92 billion in 2025 • Expected to grow to $17.37 billion in 2030 at a compound annual growth rate (CAGR) of 7.8% • Growth Driver: Biological Wastewater Treatment Market Surge By Addressing The Global Challenge Of Water Pollution And Deteriorating Water Quality • Market Trend: Increasing Focus On Product Innovations To Provide Reliable Services To Their Customers • North America was the largest region in 2025 and Asia-Pacific is the fastest growing region.

What Is Covered Under Biological Wastewater Treatment Market?

Biological wastewater treatment refers to a process intended to use microorganisms to digest contaminants that have been dissolved in effluents. These chemicals are used by the bacteria for survival and reproduction. The main processes involved in biological wastewater treatment are aerobic and anaerobic processes. The aerobic process refers to an activity that needs air or oxygen, as opposed to an anaerobic activity. The various sales channels include direct channels and distribution channels. These are used by several end-user industries, such as municipal and industrial.

What Is The Biological Wastewater Treatment Market Growth Forecast?

The biological wastewater treatment market size is expected to see strong growth in the next few years. It will grow to $17.37 billion in 2030 at a compound annual growth rate (CAGR) of 7.8%. The growth in the forecast period can be attributed to increasing investment in wastewater infrastructure, rising need for sustainable water management, growth in adoption of advanced biological reactors, expanding industrial compliance requirements, stronger focus on water reuse and recycling initiatives. Major trends in the forecast period include increasing adoption of advanced biological treatment systems, rising focus on municipal wastewater purification efficiency, growing emphasis on industrial effluent management, expansion of membrane based biological treatment solutions, increasing integration of monitoring and control systems.

Global Biological Wastewater Treatment Market Segmentation

1) By Process: Aerobic, Anaerobic 2) By Sales Channel: Direct Sales, Indirect Sales 3) By End-User industry: Municipal, Industrial Subsegments: 1) By Aerobic: Activated Sludge Process, Trickling Filters, Aerated Lagoons, Membrane Bioreactors (MBRs) 2) By Anaerobic: Anaerobic Digestion, Upflow Anaerobic Sludge Blanket (UASB), Anaerobic Filters

What Is The Driver Of The Biological Wastewater Treatment Market?

The rise in water pollution and deteriorating quality of water is expected to propel the growth of the biological wastewater treatment market going forward. Water pollution refers to the release of substances into subsurface groundwater or into lakes, streams, rivers, estuaries, and oceans to the point where the substances interfere with the beneficial use of the water. Biological wastewater treatment systems use the naturally occurring process of microbial decomposition to break down wastewater pollutants and eliminate other unwanted components. For instance, in July 2024, according to the reports published by the Environment Agency, a UK-based government, in 2022, there were 1, 658 sewerage pollution incidents, which increased to 1, 902 in 2023. Therefore, the market for biological wastewater treatment is expanding due to an increase in industrialization.

Key Players In The Global Biological Wastewater Treatment Market

Major companies operating in the biological wastewater treatment market report are Veolia Environnement S.A., Suez Water Technologies & Solutions, Aquatech International B.V., Evoqua Water Technologies Corporation, Xylem Inc., Pentair Plc, Kurita Water Industries Ltd., Hitachi Ltd., Mitsubishi Chemical Corporation, Siemens Aktiengesellschaft, Danaher Corporation, DAS Environmental Expert GmbH, Condorchem Envitech, Samco Technologies Inc., Water Energy Technologies LLC, BioGill, Industrial Phycology Inc., Ovivo, Paques, Aquarion Group

Global Biological Wastewater Treatment Market Trends and Insights

Major companies operating in the biological wastewater treatment market are focusing on innovative products such as max series to drive revenues in their market. Max units have advanced designs and materials that offer exceptional efficiency, dependability, and longevity and minimize maintenance expenses and downtime because they are easy to install, run, and maintain. For instance, in July 2023, BioGill Operations Pty Ltd., an Australia-based company that specializes in biological wastewater treatment solutions launched max series. The introduction of the Max Series further demonstrates Biogill's dedication to offering a wide range of industries reasonably priced and efficient wastewater treatment solutions. Max units, which include the Max 2, 4, and 6, are made to provide better treatment performance at a reduced cost. The max units have innovative designs and materials that offer exceptional efficiency, dependability, and longevity, because of their ease of use and upkeep, the goods require less maintenance and downtime.

What Are Latest Mergers And Acquisitions In The Biological Wastewater Treatment Market?

In September 2024, Axius Water, a US-based provider of water quality management services, acquired MITA Water Technologies for an undisclosed amount. This acquisition of MITA Water Technologies by Axius Water aims to enhance Axius's mission of combating nutrient pollution in wastewater management. MITA Water Technologies is an Italian company that designs, manufactures, and markets equipment for the purification and filtration of both civil and industrial wastewater.

Regional Outlook

North America was the largest region in the biological wastewater treatment market share in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain

What Defines the Biological Wastewater Treatment Market?

The biological wastewater treatment market includes revenues earned by providing bioremediation of wastewater, phytoremediation of wastewater, and mycoremediation of wastewater. The market value includes the value of related goods sold by the service provider or included within the service offering. Only goods and services traded between entities or sold to end consumers are included.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in the Biological Wastewater Treatment Market Report 2026?

The biological wastewater treatment market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the biological wastewater treatment industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.