In Connecticut, 227 substance abuse treatment facilities responded to the 2004 N-SSATS, reporting that there were 21,363 clients in substance abuse treatment on March 31, 2004. The survey response rate in Connecticut was 95%.

In Connecticut, 62% of the facilities surveyed focused primarily on substance abuse treatment services.

In Connecticut, 94% of the substance abuse problems being treated pertained to both alcohol and drug abuse.

In Connecticut, 90% of the substance abuse problems being treated pertained to drug abuse only.

In Connecticut, 79% of the substance abuse problems being treated pertained to alcohol abuse only.

In Connecticut, 75% of the substance abuse treatment being received was from outpatient care.

In Connecticut, 31% of the substance abuse treatment being received was from residential care.