Puce is more east of the facilities. Tecumseh doesn't have this problem, it's the residences directly north of the storage facilities. It is a well known problem that goes through Lakeshore. I contacted Lakeshore and they sent me a program that Hiram Walker pays for your houses to be powerwashed every 2 years or so. Hiram Walker hired a scientest to find out what the issue is and this was the result: The Mystery of the Canadian Whiskey Fungus | Wired Magazine | Wired.com
No real conclusions... everyone was just amazing by his writing style... but his writing style is something I am not really interested in.
Also this is a big problem in Kentucky where they are suffering from the same issues: Whiskey Fungus Lawsuit - Home