Ben Poops

"Ben Poops" is a sidequest of Episode 3: To Bot Or Not To Bot.

How to start the sidequest
Talk with Ben in a porta potty in front of the Jean Claude Van Dam Visitor Center to start the sidequest. 

Walkthrough
"Ben is trapped in a porta potty outside of the dam. He has asked you to help him unclock the porta-potty by turning a valve inside the dam."

Objective: Find the release valve.
You have to go all the way through the first dam powerhouse area (the first one you enter from the Jean Claude Van Dam Visitor Center). You have to get there all way down from the top going down all the ladders. In case you already cleared the area you can't take the elevator to reach it because it only serves the first and last floor (not the middle one where you take the elevator the first time), you must start from the top and go all the way down the ladders again.

Objective: Drain of flood the porta-potty.
You can chose whether to drain or flood the porta potty. Both choices will give you XP but flooding will also give you the Trophy, an item that can't be obtained from Vending Machines. 

Walkthrough if you choose to drain the porta potty
Turn the first valve from the top to drain the porta potty. You will be awarded with 300 XP. 

Walkthrough if you choose to flood the porta potty
Turn the second valve from the top to flood the porta potty. You will be awarded with 200 XP and also with the Trophy item that you will find next to Ben's porta-potty where you got the quest. 