This place is definitely on my "I can't believe I've never been here before" list. What a pretty little spot, and the only fresh water swimming I've found since we've been here.
There's a nice-looking little swimming area, which is closed this weekend for a fishing derby. (Unfortunately, this requires pre-registration. We had it on our calendar and I apologize for this omission) The derby takes place tomorrow, so you might want to wait to visit until Sunday. The parks folks were busy stocking it with fish and prettying up the park when we visited, and they let us walk down and take a look.