National Testing Services Contact

Drug testing in South Dakota

State laws, marijuana laws, and employer compliance

Recreational marijuana: IllegalMedical marijuana: LegalDOT rules apply nationwide
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For employers

South Dakota drug testing laws

Governing law

South Dakota Medical Cannabis Program and federal DOT drug testing rules

What you can do

Employer rights

  • Pre-employment screening allowed
  • Reasonable-suspicion testing lawful
  • Post-accident testing allowed
  • Random testing possible under employer policy
  • Return-to-duty and follow-up testing allowed
  • Employers can ban drug use and impairment at work
  • Employers can discipline policy violators
What you must do

Compliance requirements

  • Keep written testing policies
  • Apply procedures evenly
  • Use certified labs
  • Clearly explain testing and discipline rules
  • Train supervisors to spot impairment
  • Follow federal DOT rules where they apply

Cannabis

South Dakota marijuana laws

Recreational · Illegal

Recreational use

  • Recreational marijuana is illegal under state law
Medical · Legal

Medical use

  • Legal for qualified patients under the state medical cannabis program
At work

Workplace impact

  • Employers can still prohibit on-the-job impairment
  • Drug-free workplace policies remain enforceable
  • Employees impaired during work hours can be disciplined
  • Safety-sensitive and federally regulated roles face strict federal rules
  • DOT-regulated employers must follow federal testing law
  • Because marijuana is federally illegal, federally regulated employers must keep enforcing federal standards

Best practices

Staying compliant in South Dakota

Write detailed drug-free workplace policies
Define impairment standards clearly
Train supervisors on impairment indicators
Monitor changes in state cannabis law
Use certified providers
Apply testing consistently and fairly

Our services

Testing services in South Dakota

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. South Dakota Department of Labor and Regulation
  2. South Dakota Medical Cannabis Program
  3. South Dakota Legislature
  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 South Dakota?

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