The global wastewater treatment services market is projected to grow from USD 55.9 billion in 2022 to USD 80.4 billion by 2028, at a CAGR of 6.3%. The market is driven by growing industrial demand, urban population pressures, and the push for zero liquid discharge (ZLD) technologies despite their high cost and energy intensity.
Municipal wastewater treatment dominated the market in 2022, as urban centers handle larger and less-contaminated volumes of wastewater compared to industrial sectors. The Asia Pacific region is forecasted to witness the fastest growth due to expanding industries and strong governmental investment in infrastructure and digitization, particularly in China, India, and Australia.
Key industry players include Veolia, Suez, Ecolab, Thermax, Xylem, and Pentair, who offer a range of services from engineering consulting to full-scale installation.