Watch now: Wastewater surveillance serves as early indicator of COVID-19 cases
![Watch now: Wastewater surveillance serves as early indicator of COVID-19 cases](https://bloximages.chicago2.vip.townnews.com/journalstar.com/content/tncms/assets/v3/editorial/7/ea/7ea41c44-a6d4-5303-82e6-9294348a6a5c/62a7cf855086e.image.jpg?resize=300%2C225)
Lincoln's Wastewater Treatment Facility at 2400 Theresa St. has been using Polymerase Chain Reaction (PCR) testing to help indicate where the community's risk dial will be for the following week.