Just don't try imagining how Riker, with his unorthodox sitting style, uses it.
It also creates a fun game for eagle-eyed viewers, who want to spot who's dropping trou during a Romulan attack. Another technical manual, ' Star Trek: The Next Generation Companion,' places a bathroom right on the bridge, across from the Conference Room, which makes a lot more sense. Still, when it comes to the technology of Star Trek, it can be hard to get a straight answer about almost anything. We know if we had access to a transporter, we'd probably just beam our waste into space, and cut out the middleman.
If that's true, it's a wonder there wasn't a line of crewmembers snaking around the entire ship, waiting for a potty break before that big battle with the Borg. According to Commander Riker himself, who led a tour of the ship as part of the ' Star Trek Interactive Technical Manual,' there's only one bathroom, and it's right off of Engineering.