Our yard slopes to a low point in the back corner. Our neighbors yards also all slope down to this point. So when it rains heavily, the area turns into a pond with 6 - 12 inches of water. The water spreads far out and gets fairly deep. It takes a few days for the water to evaporate/seep into the ground. And for even longer the whole area is a soggy marsh that's unusable.
I've gotten suggestions from a few local landscapers. One suggested running a drain pipe underground to
@Woodbridge Environmetal: The neighbors have not been receptive in the past to other shared issues (ie the giant tree in the photo). I will definitely get in touch with the township engineers office to see what guidance they can provide. I know this is a delicate issue that should not be done without township involvement.
@Douglas: A few people have mentioned water gardens but I wasn't quite sure what that meant. Thank you for this link. It seems to detail some of the options. I will have to dig into it.