Download the list of Water treatment plants in India. Smartscrapers provides an accurate directory and the latest data on the number of Water treatment plants in India There are 11051 Water treatment plants in India as of April 1, 2026; which is an 4.12% increase from 2023. Of these locations, 10549 Water treatment plants which is 95.46% of all Water treatment plants in India are single-owner operations, while the remaining 502 which is 4.54% are part of larger brands. The top three states with the most Water treatment plants are Tamil Nadu with 1362 Water treatment plants, Maharashtra with 1358 Water treatment plants, Uttar Pradesh with 893 Water treatment plants. Average age of Water treatment plants in India is 4 years and 2 months.