UPDATE: The official WFE facebook just announced:
Rob: oh...that elusive DVD release date for the US is getting another post.
Rob: I don't understand why they're torturing my fans in the US...
Rob: Wait what's that? You have an actual date now?
Rob: Naaaaaawww....you've pullin' my leg.
Rob: *sigh* oh well...it's about time...what is it?
It's not reported online yet but @Gossipgyal received an email from Fox and tweeted the following:
Confirmed: The street date for 'Water for Elephants' within the United States has been announced and is November 1, 2011 via Fox :)
November was confirmed by @H2oforElephants and Twilightish so this is highly possibly. Amazon still doesn't have a date up but you can pre-order your US DVD/Bluray NOW!