The second deadliest dam failure in U.S. history happened suddenly. The St. Francis Dam was a 205-ft-high concrete gravity arch dam located in San Francisquito Canyon, 30 miles north of Los Angeles.

Controlled-water spillage from Wahiawa Dam was captured by a Honolulu Fire Department drone. A rather rapid rise in water levels at the dam began around 11:30 p.m. Thursday from a level of about 79 ...

If the dam fails, it would trigger dangerous and fast-moving flooding downstream that could include razor wire in the debris.

Michigan EGLE and DNR didn't abuse their authority and didn't cause the Edenville Dam's failure, a Michigan Court of Claims ...