The diverse alcohol and drug abuse treatment services which are offered to alcohol and drug addicted individuals in Clearlake, California can differ in several different ways. Some alcohol and drug abuse rehab services are conducted in a residential or inpatient facility, where individuals reside the entire time they are in rehabilitation which supplies a more conducive treatment environment. Others offer substance abuse treatment services on an outpatient basis which allows for more flexibility, though outpatient facilities may not be a suitable alcohol and drug abuse rehabilitation service for men and women in Clearlake who are having difficulties with serious drug addiction problems. Whether inpatient or outpatient alcohol and drug abuse rehabilitation programs are selected, there are varying lengths of time that people will be required to continue to be in the alcohol and drug rehab facility. For example, quite a few short-term programs offer programs for 4 weeks or less, whereas long-term centers will demand at least a 12 week stay.