The different drug and alcohol abuse treatment services which are available to alcohol and drug addicted individuals in Chatham, New York can differ in many various ways. Some substance abuse treatment services are conducted in a residential or inpatient facility, where clients reside for the duration of their treatment which supplies a more therapeutic treatment setting. Others provide alcohol and drug abuse treatment services on an outpatient basis which provides a sense of versatility, though outpatient programs may not be an appropriate substance abuse rehabilitation service for individuals in Chatham, New York who are having difficulties with long term addiction problems. Whether inpatient or outpatient substance abuse treatment programs are chosen, there are also different lengths of time that individuals will be asked to stay in the alcohol and drug rehabilitation center. For example, quite a few short-term programs offer services for 30 days or less, while long-term centers will demand at least a 3 month stay.