The different drug and alcohol abuse rehab services which are offered to alcohol and drug addicted individuals in Spring Valley, CA. can vary in a lot of different ways. Quite a few drug and alcohol abuse treatment services take place in a residential or inpatient location, where individuals reside the entire time they are in rehab which provides a more conducive treatment environment. Others offer substance abuse rehabilitation programs on an outpatient basis which allows for more flexibility, though outpatient programs may not be a suitable alcohol and drug abuse treatment program for people in Spring Valley who are struggling with long term drug or alcohol addiction problems. Whether or not inpatient or outpatient substance abuse treatment services are selected, there are also different amounts of time that people will be asked to stay in the drug and alcohol rehab center. For example, quite a few short-term programs offer services for 30 days or less, while long-term facilities will require at least a 12 week stay.