James Dinneen and Alexander Kennedy in Undark:
While the dramatic breach of the Edenville Dam captured national headlines, an Undark investigation has identified 81 other dams in 24 states, that, if they were to fail, could flood a major toxic waste site and potentially spread contaminated material into surrounding communities.
In interviews with dam safety, environmental, and emergency officials, Undark also found that, as in Michigan, the risks these dams pose to toxic waste sites are largely unrecognized by any agency, leaving communities across the country vulnerable to the same kind of low-probability, but high-consequence disaster that played out in Midland.
More here.