According to this article, there have been zero arrests for possession since the measure passed. Implementing the new law has become a difficult issue for politicians looking for a balance between catering to the "family first" crowd and also the majority of voters who passed I-100.

http://www.cannabisnews.com/news/thread21268.shtml
Sgt. Pepper Reviewed by Sgt. Pepper on . Headed up to Denver (Oh, you know that's were I'm a gona to go) I'm headed to Denver for the weekend, I tell you all about it when I get back. That is of course, if people grow up and realize no matter where pot was legalized, it's still a good thing. Only thing I have to look out for are state police and the DEA. Yeah buddy! Rating: 5