How close are you to a Superfund site?

By Anna Scalamogna, Jason Treat, and Xaquín G.V., National Geographic; Meg Roosevelt. Sources: EPA; GAO

Since Congress passed the Superfund law, many of the worst hazardous waste sites in the U.S. have either been cleaned up or brought under control. But hundreds more are works in progress—and 95 of them, says the EPA, may be exposing humans to dangerous levels of toxic chemicals. A depleted Superfund and shrinking appropriations from Congress have delayed cleanup at some sites.

See the interactive map here. Related story: Wasteland »