The potable water can be used for:
-moistening rags to wipe down anything/self.
The whole thing is made of reclaimed wood I had laying around, it's held together by drywall screws and a few nails.
Step 1: Supports:
Measure yours to whatever Length you need.
Step 2: Base:
I know --small truck:) but, my GF and I are comfortable in this setup!
Step 4: The Other Side...
Step 5: Strengthen...
These beams also mark the level of the bottom of the jug.
Step 6: Square It Off.
For the rear, I just used shortened bed slats (same L as the front beam) for the panels.
Step 7: The Tray.
Step 8: The Top.
Step 9: Braces and Stoppers.
OH! These also stop the jug from moving too far back.