In terms of success rates, long term drug rehab and alcohol treatment services delivered by Andover, SD. rehab programs have been statistically more successful than any other rehabilitation option. Besides providing superior care and a secure environment, long-term drug rehab and alcohol treatment services in Andover, SD. are also usually designed to fulfill the needs of each individual in recovery. People receiving long-term drug rehab and alcohol treatment services are encouraged to go through the program at their own pace, with the emphasis put on the quality of treatment as opposed to the speed in which the person completes their program.