I've gotten the waterfall exactly once in all of my rides on it... and it came on Memorial Day Weekend of 2013, when my brother made my family (read: my dad and I, my mom refused to get on for reasons to be mentioned shortly) ride it despite it being roughly 65 degrees outside.The waterfalls were working yesterday, kinda. Comparing to that 2019 POV, yesterday it seemed more like fountains than waterfalls. I used to get drenched on this ride when they were working in full effect.
Coincidentally, I've also used the family dryer at a theme park exactly once before.