IIRC lead is only part of the issue in Flint, the water is otherwise undrinkable, too (very dirty or something). (It's also the direct way in which it happened

IIRC lead is only part of the issue in Flint, the water is otherwise undrinkable, too (very dirty or something). (It's also the direct way in which it happened that makes Flint an issue; most of these other high-lead situations cannot be pinpointed to a single instance of negligence/corruption. Flint can.)