Not sure on one from your year, but I can say the low point drains on my Roo are almost to the back under the bathroom. Two pipes hanging down, cold and hot, with caps on them.
Michael and Pamela
Colorado Springs, CO
2017 Roo 233s
Towed by 2016 Ford F-150 screw, ecoboost, maxtow
Replaced 2011 Ford F-150 screw, ecoboost, maxtow
that overheated every time it towed up hill.