What classification of water treatment serves populations greater than 10,000?

The classification of water treatment systems that serves populations greater than 10,000 is indeed WT5. This classification indicates more complex treatment processes required to ensure safe drinking water for larger populations, which may involve advanced technology and a higher level of monitoring and regulation.

As the population size increases, the demands on the treatment facility increase proportionately, necessitating additional safeguards, quality control measures, and often more sophisticated treatment methods. Therefore, WT5 is designed to cater specifically to the needs of larger communities, providing the necessary infrastructure and trained personnel to manage the more intricate challenges of treating water for such a significant number of consumers.