The global water treatment market size was valued at USD 69.66 billion in 2024 and is projected to reach from USD 74.53 billion in 2025 to USD 128.06 billion by 2033, registering a CAGR of 7.0% during the forecast period (2025-2033). The need to reduce contamination and the demand for virus-free products are driving the water treatment market's growth.