January 12, 2023 6:43 am COVID-19 Wastewater Levels Dropping in Greater Boston The data is put out by the Massachusetts Water Resources Authority, and comes from test results of wastewater tracked at the Deer Island Treatment Plant. US & World Videos 1:52 Respiratory virus spike means Mass General Brigham staff will mask up 0:51 WATCH: Group of people helps woman pinned under vehicle in Lawrence 2:03 Armed robbery of FedEx driver in Harvard caught on camera 2:32 Local students prepare for semester in LA amid wildfires 2:36 Problems plague Lowell High School's new athletic center