This week, we’re getting to the very last drop on the subject of wastewater testing! Hot in the news after recent occurrences of polio and monkeypox, as well as for the continued monitoring of Covid-19, wastewater testing is the future of public health monitoring. Breakthroughs in wastewater screening by the CDC and at UC San Diego, among others, have expanded the scope and capabilities of wastewater testing, but ethics questions on who and what to test for have us up to our knees in you-know-what! From the toilet bowl to the petri dish, get to know what’s in your wastewater.