This is a map of "all meth clandestine laboratory incidents including labs, dumpsites, chem/glass/equipment" in the U.S. in 2012, by state. It was created by the DEA and is freely available on the website of the Department of Justice. Here, in no particular order, are some things we can take away from this map:


More Meth Maps, dating back to 2004, on the DEA's website.