Cannabis Drug Testing Laws in Wyoming
Wyoming prohibits all recreational cannabis and provides no employment protections.
Overview
Wyoming has no medical or recreational cannabis program. Possession remains criminalized.
| State | Wyoming (WY) |
| Legal Status | Prohibited |
| Workplace Protection | No Protections |
| Protection Summary | None. |
| DUI Threshold | Impairment-based DUI. |
| Synthetic Urine Law | Not specifically criminalized. |
Key Statutes
- Wyo. Stat. § 35-7 (Controlled Substances Act)
Wyoming Cannabis Context
Wyoming has no medical or recreational cannabis program and is one of the strictest cannabis prohibition states in the country. Possession of any amount of cannabis remains a criminal offense, with possession of less than 3 ounces as a misdemeanor and larger amounts as felonies. The state has authorized only very limited low-THC hemp products for specific epilepsy treatment, and there is no broader medical cannabis access. Multiple legislative proposals for medical cannabis have failed in the Wyoming Legislature, and the political environment for cannabis reform remains hostile.
Wyoming has not enacted broad synthetic urine criminalization at the state level. The state uses impairment-based DUI rather than zero-tolerance per se. Wyoming's small population (around 580,000, the smallest of any state) means that the cannabis policy environment affects fewer total workers than in larger states, but the dynamics still matter for those who live and work there.
Wyoming's economy is heavily concentrated in extractive industries: oil and gas, coal mining, and uranium mining. These sectors are dominated by safety-sensitive testing under both federal regulation and employer policy. Tourism (Yellowstone, Grand Teton) and agriculture (cattle ranching) are also significant. The federal land management presence is enormous — large fractions of Wyoming are federally owned and managed, and federal employment in land management, national parks, and federal facilities is significant relative to total state employment. Wyoming residents who legally purchase cannabis in neighboring Colorado, Montana, or Utah remain subject to Wyoming law upon return. For Wyoming workers, the practical reality is that no protections exist, the dominant employment sectors operate under federal or industry-specific drug-free workplace standards regardless of state law, and total abstinence is the only safe approach.
What This Means for You
Wyoming provides no workplace protections for cannabis use. Employers may freely test for cannabis and take adverse action based on positive results, regardless of medical or recreational legal status. If you face a drug test in Wyoming, your best protection is time and abstinence before the test.