The image above from the latimesgraphics makes it look (at least to me) that the primary dam is concrete - it is not concrete - it is dirt!   The prmary dam appears so vertical  (camera lense issue) that I thought it had to be concrete - no, it's "engineered" compacted dirt.  

John Gartner has uploaded a petition at Change.org which observes the obvious:   we have a problem.   (Image credit to Gartner change.org site)

 Alan Glazen - here is video footage of the understory of the Brooklyn-Brighton bridge in Cleveland - the debris and tents are gone in the winter but they

The New York Times has suggestions for persons who would like to anonymously forward news tips to the Times - at this link.  Of course, the suggested methods - using sites which encrypt and do not store identity back-track information - can be used for communication to other news organizations or persons.   

 Link to Video: https://www.youtube.com/attribution_link?a=SI72rWYGPqg&u=%2Fwatch%3Fv%3DdnQmekmmrn4%26feature%3Dshare