In this installment of the People Places Planet Explained Series, host Dara Albrecht is joined by Robin Rotman, Assistant Professor at the University of Missouri, and Camille Pannu, Associate Professor at Columbia Law School and Director of the Environmental and Climate Justice Clinic, to break down the Safe Drinking Water Act (SDWA)—the cornerstone law protecting America's drinking water. The conversation covers SDWA’s origins, its regulatory reach over public water systems, and the emerging challenges tied to small system compliance, contaminants like PFAS, and growing infrastructure needs. Rotman and Pannu explain key concepts such as maximum contaminant levels, variances, citizen suits, and the relationship between SDWA and the Clean Water Act. They also discuss notable cases like Des Moines Water Works and Flint, Michigan, and examine how funding limitations and legal battles shape drinking water protections today. Looking forward, they reflect on future developments in private well regulation, point-of-use treatment technologies, and technical assistance for vulnerable communities. This episode offers an essential primer for anyone interested in how public health, environmental law, and infrastructure converge at the tap.Correction: The percentage of homes not on a regulated water system in the United States is roughly 15 to 20 percent, not 30 percent as cited in a former version of this episode.

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