The diverse substance abuse rehabilitation services which are offered to drug and alcohol addicted people in Greeley, Colorado can vary in several various ways. Some drug and alcohol abuse treatment services take place in a residential or inpatient facility, where clients remain the entire time they are in treatment which provides a more therapeutic rehabilitation setting. Others provide substance abuse rehabilitation services on an outpatient basis which allows for more flexibility, though outpatient facilities may not be a suitable substance abuse rehabilitation service for individuals in Greeley, Colorado who are struggling with serious drug or alcohol addiction difficulties. Whether or not inpatient or outpatient alcohol and drug abuse rehab programs are chosen, there are varying amounts of time that individuals will be expected to stay in the drug rehab center. For example, quite a few short-term programs provide services for a month or less, whereas long-term facilities will demand at least a 90 day stay.