CHATSWORTH, GA (WRCB) - Hundreds of people in one north Georgia town are not allowed to drink their water. The water treatment plant in Ramhurst is temporarily shut down after someone broke in and changed the chemical settings. It's affecting about 400 Murray County residents. Local, state and federal officials are investigating who's to blame. Officials with Chatsworth Water Works say the source of the problems is at the Carter's Lake Water Treatment Plant in the Ramhurst area. Saturday workers noticed someone had changed some chemical settings. First, officials issued a "boil advisory" but the Environmental Protection Department bumped it...