New version of omicron detected in Maine as wastewater tests show steep decline in COVID-19 March 1, 2022February 28, 2022
Allegheny County has detected omicron in wastewater, indicating a COVID-19 surge is on the way December 23, 2021December 23, 2021
Combining sunlight and wastewater nitrate to make the world’s number 2 chemical September 9, 2021September 8, 2021
‘Concerning’ levels of COVID-19 detected in Florida county wastewater, officials say August 17, 2021August 17, 2021