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Utilities Business Review | Thursday, August 27, 2026
Water treatment chemicals and solutions are gaining stronger relevance as municipalities and industrial facilities manage tighter water-quality expectations, aging infrastructure and rising pressure to reuse water. The market is no longer defined only by chemical supply. The growing need for partners who will contribute to better health care results and assist plants in managing costs, compliance issues and system reliability is observed among buyers.
The water treatment chemicals market is projected to reach USD 44.06 billion in 2026 and USD 57.48 billion by 2031, growing at a 5.46 percent CAGR. Major suppliers in the market include Ecolab, Kemira, Kurita Water Industries, Solenis and SUEZ.
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This growth reflects the wide range of treatment needs across drinking water, wastewater, industrial process water and utility systems. Coagulants, flocculants, disinfectants, corrosion inhibitors, scale inhibitors and biocides remain essential to keeping systems within required quality limits. Yet buyers increasingly expect suppliers to advise on dosing, monitoring and process improvement rather than deliver chemicals alone.
Industrial demand is especially important. The industrial water treatment chemicals market is expected to grow from USD 33.69 billion in 2025 to USD 35.44 billion in 2026, supported by industrial water usage, tighter wastewater rules and treatment needs in raw water, cooling systems, boilers, effluent water and desalination.
This creates an opportunity for solution providers that can connect chemistry with site-specific performance. A food plant, refinery, semiconductor facility or power station may need different treatment programs based on water source, temperature, discharge limits and production sensitivity. Standard chemical programs can fall short when water conditions shift.
Municipal systems are also looking for more resilient chemical strategies. The municipal water treatment chemicals market is estimated at USD 12.48 billion in 2026 and is projected to reach USD 16.14 billion by 2031. That demand is tied to public-health requirements and the need to manage turbidity, pathogens, corrosion and distribution-system stability.
Supply security is becoming part of the service conversation. Recent reporting from Kerala described a planned shift from alum to polyaluminium chloride at a water treatment plant after alum supply was affected by sulphuric acid disruptions. The utility planned laboratory testing before adopting the alternative chemical.
The lesson here is that chemical selection cannot depend only on price. Treatment plants need verified substitutes, dosage data and supplier continuity. A shortage in one input can affect water treatment capacity during seasonal demand or source-water changes.
The next phase of the market would certainly belong to those companies that have managed to integrate their chemical portfolio with monitoring, support and contingency planning services. Buyers need stable treatment results, not only product availability. Water treatment chemicals and solutions are becoming performance-based service categories. Their value will be measured by whether they help customers maintain water quality while adapting to cost, supply and compliance pressure.
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