I am very well aware that newspaper articles have reported the height of the embankment, based on information released by TVA. If you will recall, I'm the one who has been reading these stories in my local newspaper and seeing them on the local TV news. This discussion was started not to discuss the height of the pond, but rather to discuss discrepancies between the pond's apparent dimensions and the reported size of the ash release. That's what I responded to. 
I am also extremely well aware that the material released was not "coal sludge," but rather was fly ash, and that the article has continued to carry an inaccurate and misleading title because of your opposition to changing it. Has your continued attention to the details of the event given you a new perspective on the article name?