I used to believe people worked in the water tower, purifying the water and everything(that's why they had the stairs). I thought it would be a disgusting job, since pee would come in there too.
A childhood belief about water towers

others believed things like this
- When I was a kid I always thought that a water tower was the robot from the TV show "Lost in Space".— sherryj
- i used to think the water tower was filled with milk— jen
- i used to believe that humpty dumpty lived in our towns water towerAnon
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- I used to believe that if i splashed water on the wall during a bath, the water would turn into spiders— justin
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl