It's a homeless guy.

You beat me to it.

Haha, I pass that water treatment place twice a day every day on my way to work and home. I never realised it was "haunted". How cool!

It's in a sewage works. It's clearly an excremental.

Norman the Golgothan:

"The conclusion is, we can't prove it is haunted because of strong electromagnetic fields, which can cause the illusion of being haunted, the feeling of being touched or watched, but there is definitely paranormal activity."

I'm convinced.

Im a ghostbuster.

And here I thought that as a race, we were more scientifically informed about the world around us than at any other time in our history. And yet we still resort to "mediums" and "psychics" to scare away our booger men. Meh.

heh heh. You said booger.

Ummm... how about putting some cameras down there?

"People feel uneasy when they enter the building"

It's a sewage works... hardly the most comfortable and pleasant environment.