The Center for Disease Control (CDC) has its own laboratories and national wastewater surveillance system to help local health departments with wastewater collection and testing. Why does the CDC have a wastewater surveillance system? - Wastewater can be treated to prevent viral spread in drinking water.

- Wastewater can be collected, tested, and used to trace viral outbreaks.

- Viral outbreaks are spread through wastewater treatment of drinking water.

- Wastewater can go through ozonation and chlorination to prevent virus spread.