You can get info on free help in your state by dialling "211" on a phone from a phone that has california area code or you can type 211 + your state in a search engine on the internet and you should be able to seek help with various issues. There should be a link specifically for substance abuse. If you want to use an old resource find a phone book with "blue page" section to look up agencies for assist with substance abuse. The NA intergroup for NA in your area may also be able to help identify free detoxes/rehabs. You posted here, that's a great start.