I don't see anything in the WD-DD-38 document that talks about cup holders, nor glove boxes, nor other drains of areas that could collect rain water and divert them to the lake.
Even cockpit drains do this to keep boats from filling with water, let's not get too carried away!
The next thing we know, this thread will evolve to say that fish need a tube attached to bring their waste into a tank or bag that must be emptied at a state approved pumping station.
