The various substance abuse rehab services which are available to alcohol and drug addicted persons in Groton, Connecticut can vary in a lot of different ways. Some drug and alcohol abuse rehab services take place in a residential or inpatient location, where clients reside for the duration of their treatment which supplies a more therapeutic rehab environment. Others provide alcohol and drug abuse rehabilitation services on an outpatient basis which allows for more versatility, though outpatient facilities are not always an appropriate drug and alcohol abuse rehabilitation service for people in Groton, Connecticut who are having difficulties with long term addiction difficulties. Whether inpatient or outpatient substance abuse rehabilitation services are chosen, there are varying amounts of time that people will be asked to stay in the alcohol and drug rehab facility. For instance, quite a few short-term programs offer programs for 30 days or less, while long-term facilities will demand at least a 3 month stay.