Where is the residential alcohol and drug abuse treatment program authorized by SD Human Services located?

The residential alcohol and drug abuse treatment program authorized by South Dakota Human Services is located in Yankton, SD. Yankton has been designated as a key location for such treatment programs, providing specialized services for individuals dealing with substance abuse. This location may offer a variety of therapeutic options and support aimed at recovery, reflecting the state's commitment to addressing alcohol and drug-related issues within the community.

Rapid City, Sioux Falls, and Brookings are significant cities in South Dakota with various healthcare and rehabilitation services, but the specific authorization and facilities managed by the Department of Human Services for residential treatment are situated in Yankton, making it the correct answer for this question.