Not only the land is not open to the public, the residents do not keep
it clean. And they are using the lake as a theme park. At one place,
they made a small circuit within the National Forest where they ride
their small motered vehicles called buggy.

They are the real threat to the environment than anything
else, even if they claim the weeds from China or Japan are more so (they do
not call any plants 'threats' or 'invasive' when they are from Europe.
Look around, all the so-called weeds are from Europe).