The different drug and alcohol abuse rehab services which are offered to drug and alcohol addicted individuals in Livermore, CA. can differ in several different ways. Some substance abuse treatment programs are conducted in a residential or inpatient setting, where individuals remain for the duration of their treatment which supplies a more conducive rehab environment. Others provide substance abuse rehab services on an outpatient basis which provides a sense of flexibility, although outpatient centers may not be a suitable drug and alcohol abuse treatment program for people in Livermore, CA. who are having difficulties with long term drug addiction difficulties. Regardless of whether inpatient or outpatient substance abuse rehabilitation services are chosen, there are varying lengths of time that individuals will be required to stay in the alcohol and drug treatment facility. For example, quite a few short-term programs offer services for 30 days or less, whereas long-term programs will call for at least a 12 week stay.