National Testing Services Contact

Drug testing in South Carolina

State laws, marijuana laws, and employer compliance

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

South Carolina drug testing laws

Governing law

South Carolina state and federal drug testing regulations

What you can do

Employer rights

  • Screening applicants before hiring is allowed
  • Reasonable suspicion testing is lawful
  • Post-accident testing is allowed
  • Random testing may be permitted under company policy
  • Return-to-duty and follow-up testing are allowed
  • Employers may ban drug use and impairment at work
  • Employers may discipline employees who break drug policies
What you must do

Compliance requirements

  • Keep written testing policies
  • Apply procedures evenly and fairly
  • Use certified labs
  • Clearly communicate testing and discipline rules
  • Train supervisors to spot impairment
  • Follow applicable federal DOT rules when required

Cannabis

South Carolina marijuana laws

Recreational · Illegal

Recreational use

  • South Carolina has not legalized recreational marijuana
Medical · Limited

Medical use

  • Medical marijuana is not broadly legalized in South Carolina
  • Limited low-THC medical cannabis bills have been discussed
At work

Workplace impact

  • Zero-tolerance drug policies can be enforced
  • Marijuana use can be banned outright
  • Discipline is possible after a positive THC test
  • Safety-sensitive and federally regulated jobs face strict federal requirements
  • DOT-regulated employers must keep following federal testing law

Best practices

Staying compliant in South Carolina

Write detailed drug-free workplace policies
Define impairment standards clearly
Train supervisors on impairment indicators
Keep up with changes in South Carolina drug law
Use certified testing providers
Apply testing rules consistently and fairly

Our services

Testing services in South Carolina

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. SC Department of Labor, Licensing and Regulation
  2. South Carolina Legislature
  3. SC Department of Public 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 South Carolina?

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