National Testing Services Contact

Drug testing in Wyoming

State laws, marijuana laws, and employer compliance

Recreational marijuana: IllegalMedical marijuana: No programDOT rules apply nationwide
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For employers

Wyoming drug testing laws

Governing law

Wyoming drug testing laws and federal DOT drug testing regulations

What you can do

Employer rights

  • Pre-employment testing is permitted
  • Reasonable suspicion testing is lawful
  • Post-accident testing is permitted
  • Random testing may be allowed under employer policy
  • Return-to-duty and follow-up testing are permitted
  • Employers may prohibit drug use and impairment
  • Employers may discipline employees who violate drug policies
What you must do

Compliance requirements

  • Maintain written drug testing policies
  • Apply procedures consistently and fairly
  • Use certified laboratories
  • Clearly communicate testing and disciplinary procedures
  • Train supervisors to recognize impairment
  • Follow applicable federal DOT regulations when required

Cannabis

Wyoming marijuana laws

Recreational · Illegal

Recreational use

  • Recreational marijuana remains illegal under Wyoming law
Medical · No program

Medical use

  • Wyoming does not operate a medical marijuana program
At work

Workplace impact

  • Employers may enforce zero-tolerance policies
  • Employers may prohibit marijuana use entirely
  • Employers may discipline for positive THC tests
  • Safety-sensitive and federally regulated positions face strict federal requirements
  • DOT-regulated employers must follow federal drug testing laws

Best practices

Staying compliant in Wyoming

Develop detailed written drug-free workplace policies
Define impairment standards clearly
Train supervisors on impairment indicators
Stay updated on Wyoming drug law changes
Use certified providers
Apply testing consistently and fairly

Our services

Testing services in Wyoming

NTS provides accurate, confidential, and legally defensible testing through our nationwide collection network.

Urine drug testingHair follicle testingOral fluid (saliva) testingNail drug testingDOT drug and alcohol testingCourt-ordered testingRandom and pre-employment screening

Sources & legal references

  1. Wyoming Department of Workforce Services
  2. Wyoming Legislature
  3. Wyoming Department of Health
  4. U.S. DOT Drug & Alcohol Testing Regulations
  5. NCSL Marijuana Laws by State

Laws change often. This page is general information, not legal advice. Check official state agencies or consult legal counsel for current requirements.

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Testing employees in Wyoming?

Call the office to set up a compliant program, or schedule onsite collections.

Office601-602-2445 Onsite601-633-7733
Visit1520 Adeline St, Ste. 20, Hattiesburg, MS 39401