There are many unique types of drug and alcohol abuse rehab services in Williamstown, New Jersey which drug and alcohol addicted individuals can take advantage of. As an example, there are substance abuse treatment programs in the Williamstown, New Jersey area which cater to somebody with a brief history of drug and alcohol abuse and may possibly be able to receive effective help at a short term drug and alcohol rehabilitation program which will require the client to stay in rehabilitation for about a month or less. There are also more comprehensive and long term substance abuse rehab centers in Williamstown, New Jersey which demand a stay of 90 days or more, depending on the client's history of drug and alcohol abuse and other circumstances such as co-occurring mental health disorders. Alcohol and drug abuse rehab services can be completed on an outpatient basis or an inpatient basis, with inpatient substance abuse treatment programs supplying substantially better success rates due to a higher quality of rehab program.