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How Wastewater (Sewage) Monitoring Works | Early Detection for Infectious Diseases in Your Community
What we flush down the toilet holds powerful clues about our community's health. Learn how CDC’s Wastewater Program uses wastewater (sewage) to detect and track viruses like flu, RSV, COVID-19 and more—helping health departments take action faster. Discover how wastewater is collected, tested, and analyzed to provide early warning of health threats and viral spread in your area. Learn more & see wastewater data for infectious diseases that may be circulating in your community at cdc.gov/wastewater