The Office of National Drug Control Policy states that in 2007, 20,853 arrests were made in Missouri for marijuana possession. In 2006, Missourihad 22,608 marijuana possession arrests. In 2006, the MissouriState Highway Patrol arrested 343 individuals for driving under the influence of drugs.

In Missouri, cocaine and crack continue to be readily accessible in the St. Louis and Kansas City metropolitan regions. The heroin markets have expanded to the more suburban and rural areas of eastern Missouri, due to the presence of white heroin. The purity levels for white heroin range from 10-15 percent, to above 40 percent. In western Missouri, heroin's availability continues to be extremely limited and the market is still controlled by powdered heroin and Mexican black tar.

Throughout Missouri, marijuana is easily accessible. In St. Louis and Kansas City, indoor marijuana productions can still to be found, while outdoor production are generally detected in the rural parts of Missouri. There has been a rise in the availability of higher purity "BC Bud" marijuana originating from Canada and northwest America.

Per 2005-2006 statistics from the National Survey on Drug Use and Health (NSDUH), 385,000 of Missouricitizens ages 12 or older admitted to using an illegal drug in the past month. More 2005-2006 NSDUH statistics reveal that 130,000 of Missouri citizens admitted to illegal drug abuse or dependence in the past year.

In 2005, 35 percent of Missourihigh school students surveyed, admitted to marijuana use during their lifetime; 45 percent of Missouri12th graders surveyed in that year admitted to using marijuana at least once during their life.

In Missouri, most of the methamphetamine, cocaine, marijuana and heroin distribution is controlled by Mexican poly-drug trafficking organizations. Much of the meth, cocaine and heroin that are trafficked into Missouriare done by organizations that have ties in Texas, Arizona and California.

In 2007, per the MissouriState Highway Patrol, 1,285 meth laboratory incidents were reported to the Clandestine Laboratory Seizure System. In 2006, there were 1,284 meth lab incidents reported in Missouri. Further, Federal agencies seized an excess of 1,500 kilograms of marijuana in 2007.

In 2006, under the DEA's Domestic Cannabis Eradication/Suppression Program, more than 20,000 grown marijuana plants were destroyed in Missouri. There were 124 drug courts already in existence or being implemented as of April 16, 2007; 85 drug courts had been running for a minimum of two years; 12 had just been created; and 27 more were being implemented.

In Missouri, during 2005, there were 115 newborns affected by cocaine. In 2006, Missourihad 45,383 treatment admissions for drugs or alcohol; in 2005, there were 43,649 treatment admissions; and in 2004, there were 39,466 treatment admissions.