Surveillance of sewage water started across 15 states for detection of Covid-19 April 11, 2022 | Municipal Wastewater, News & Developments, Policy & Programmes, State Initiatives, Wastewater The Indian Sars-CoV-2 Genomic Consortium (INSACOG) has started surveillance of sewage water in 15 states to detect the presence of the Sars-CoV-2 virus. This content is restricted.