Bear in mind that while homes in this development have a Chapel Hill mailing address they are in fact located in Durham County and if one of your criteria for a new home includes being within the Chapel Hill school system these homes are not.
I specialize in Buyer side brokering and would be happy to assist you. Feel free to contact me through my profile here on Trulia
I'd be happy to put you in touch with them if you'd like to ask them all the ins and outs of the neighborhood.
The water treatment plant is a total non factor, even though it looks close in google maps view.
Call me at 919-452-3751 or email firstname.lastname@example.org and we can chat and set up a discussion with my Southpoint Manor clients.