September 2015
Will Springfield Falls ever be available again, whether via the Swanky Fish purchase or donuts?
September 2015
Our guess is as good as yours.
Developers of this game does not frequent this Help Forum, so they're not likely to see your suggestion here.
Try the official forum instead, as the developers do go there to find suggestions and input. http://forum.ea.com/
This Forum is provided by EA but is designed as Player helping/advising other Players. In this case there is little other players can do for you.
Contact EA support http://help.ea.com/en/contact-us/new/ and ask for a gameadvisor. Same login as the game.