I'm one as well, and was curious about this as well.
I can say that every Lodge I have visited/been a part of was dry/generally dry.
As others have said, the tried and true advice for those seeking info/joining is "to be one, ask one". And it isn't religious, or Christian. IMHO, it is VERY close to being in an AA meeting- They all have a HP, but one 'as they see it themselves". Period.