How on earth could this have been "an honest mistake?"
But let's try to keep this discussion focused on the event and keep politics and smart aleck comments out of this thread.
Really, a bus dumps its sewage tank into a storm sewer outside an auto parts store and thinks that is an appropriate action?
Brings back thoughts of cousin Eddie Griswold in Christmas Vacation. But that was a movie and done for humor. This was a real life event. Truth IS stranger than fiction, but also stinkier and with much more serious consequences.