The different substance abuse treatment programs which are offered to alcohol and drug addicted individuals in Port William can differ in a lot of various ways. Some substance abuse treatment programs take place in a residential or inpatient setting, where clients remain for the duration of their rehab which offers a more therapeutic rehab environment. Others offer substance abuse rehab services on an outpatient basis which allows for more flexibility, although outpatient facilities may not be a suitable substance abuse treatment program for individuals in Port William who are having difficulties with long term addiction problems. Whether or not inpatient or outpatient substance abuse treatment programs are chosen, there are varying lengths of time that individuals will be expected to stay in the drug rehabilitation facility. For instance, quite a few short-term programs provide services for a month or less, whereas long-term centers will call for at least a 90 day stay.