It looks a lot like Georgia low country marsh. I believe Affleck still owns property down in Georgia. -----I agree. Stumbled upon this question after sensing a familiarity in that scenery. I grew up...
Dobbs Mill, it is a ficticious town in Massachusetts. The film was actually shot in Concord, Massachsuetts.
The film Twister was filmed in Oklahoma, but some of it was filmed it Wakita.
Phoenixville,PA
Trim, Co.Meath.