4. The owner of a pleasure craft must
(1) connect the toilet to the holding tank in such manner that the holding tank receives the waste and the water from the toilet;
(2) seal the holding tank; and
(3) equip the pleasure craft with connecting piping having watertight couplings permitting the holding tank to be emptied only at a pump-out station.
For the purposes of this Regulation, a pump-out station is a system or equipment used to empty the contents of pleasure craft holding tanks into a suitable shore-based tank, and includes waste water treatment systems or municipal sewer systems connected to a waste water treatment system.