From Treehugger:

When Lighting Your Water on Fire Isn’t a Magic Trick

Jessica Ernst lives in the village of Rosebud, Alberta, East of Calgary. EnCana, a big oil & gas company, is operating close to her house. The photo above speaks for itself.

So the big question: is the water from her well just naturally flammable (I suspect it’s not), or has the process of drilling/extracting gas nearby fouled the water?

Read the article. A few of the comments after the article are interesting.