There have been a couple of posts on this already with several reasons listed, I have heard several....you can search them if you want.

However, the bottom line is that both stretches of the lower river are closed indefinitely. The owners are not letting anyone have access. A local flyfishing club had an outing planned there this year, and after hearing that it was closed decided to ask the owner if we could still rent the place.... no go. Better do like the rest of us and start looking elsewhere...