The diverse substance abuse treatment programs which are available to alcohol and drug addicted persons in Westport, Massachusetts can vary in many different ways. Some alcohol and drug abuse treatment services take place in a residential or inpatient facility, where individuals remain the entire time they are in treatment which supplies a more conducive rehab environment. Others offer drug and alcohol abuse rehab programs on an outpatient basis which provides a sense of flexibility, although outpatient programs may not be a suitable drug and alcohol abuse treatment program for people in Westport, Massachusetts who are struggling with long term addiction difficulties. Whether inpatient or outpatient drug and alcohol abuse treatment programs are selected, there are also different amounts of time that individuals will be expected to stay in the drug rehab facility. For instance, quite a few short-term programs offer services for 30 days or less, whereas long-term facilities will require at least a 90 day stay.