Arizona Drug Laws: Penalties, Charges & Treatment Options

Arizona drug laws are governed by ARS Title 13, Chapter 34 (Drug Offenses). Arizona has undergone significant drug policy changes in recent decades — from the groundbreaking Proposition 200 (1996) requiring treatment over incarceration for personal use drug offenses, to legalizing recreational marijuana through Proposition 207 (2020).

Arizona uses 'threshold amounts' to distinguish personal use from trafficking. Possession below threshold amounts is eligible for probation under Prop 200, while amounts above the threshold trigger trafficking charges with mandatory prison time.

Under Arizona's Proposition 200 (ARS §13-901.01), first and second-time drug possession offenders must be sentenced to probation with treatment rather than prison. This landmark law means most simple possession cases result in mandatory drug treatment rather than incarceration. However, possession of amounts above the 'threshold' (ARS §13-3401) triggers presumptive trafficking charges with mandatory prison time.

Key threshold amounts include: methamphetamine 9g, cocaine 9g, heroin 1g, LSD 0.5ml/50 doses, PCP 4g.

Arizona has zero-tolerance DUI drug laws (ARS §28-1381). It is illegal to drive with any detectable amount of an illegal drug or its metabolite in your body. A first DUI offense carries minimum 10 days jail (9 suspended), $1,250+ fine, and license suspension. Extreme DUI (BAC 0.15+) carries 30 days minimum. Super Extreme DUI (BAC 0.20+) carries 45 days minimum. Aggravated DUI (3rd in 7 years or with suspended license) is a Class 4 felony.

Arizona allows naloxone to be dispensed by pharmacists without a prescription under a standing order from the state health officer. The Naloxone Standing Order (ARS §36-2228) enables community distribution of naloxone. First responders, including law enforcement, are authorized and trained to administer naloxone. Schools may also stock and administer naloxone under state law.

Arizona operates Drug Courts in all 15 counties. The TASC (Treatment Assessment Screening Center) program provides court-ordered assessment, treatment, and monitoring services statewide. Arizona's drug court model is nationally recognized and processes thousands of participants annually. Successful completion can result in charge dismissal or reduced sentencing. The state also operates Veterans Courts, DUI Courts, and Mental Health Courts.

While Proposition 200 eliminates prison for first and second-time simple possession, amounts above threshold levels trigger mandatory prison. Possession for sale of dangerous drugs (Class 2 felony) carries a presumptive 5-year sentence. Trafficking amounts trigger 5-15 year mandatory sentences. Repeat offenders face enhanced sentencing ranges. Drug-free school zone violations add additional mandatory penalties.

Arizona is a national leader in treatment-over-incarceration approaches. Proposition 200 (1996) mandates probation with treatment for first/second possession offenses. TASC provides comprehensive assessment and treatment coordination. Proposition 207 includes provisions for expungement of prior marijuana convictions. The state's drug court programs serve all 15 counties. Medicaid (AHCCCS) covers substance abuse treatment including MAT (medication-assisted treatment).

2020: Proposition 207 legalized recreational marijuana. 2021: Marijuana expungement process launched for prior convictions. 2022-2023: Expanded fentanyl-specific legislation increasing penalties for trafficking fentanyl pills. 2024: Increased penalties for fentanyl trafficking involving death. Expanded access to xylazine testing strips. 2025: Continued focus on fentanyl crisis response and expansion of MAT access in rural areas.