Cannabis Drug Testing Laws in South Carolina
South Carolina prohibits recreational cannabis and has no workplace protections.
Overview
South Carolina has an extremely limited low-THC program for severe epilepsy only. No real medical cannabis program exists.
| State | South Carolina (SC) |
| Legal Status | Prohibited |
| Workplace Protection | No Protections |
| Protection Summary | None. |
| DUI Threshold | Impairment-based DUI. |
| Synthetic Urine Law | Not specifically criminalized. |
South Carolina Cannabis Context
South Carolina has one of the most limited cannabis programs in the United States. The state authorizes only Julian's Law / Sage's Law CBD oil (low-THC, 0.9 percent maximum) for severe epilepsy specifically. There is no functional medical cannabis program for general qualifying conditions, and recreational cannabis remains fully prohibited. The South Carolina Compassionate Care Act (a more substantial medical cannabis bill) has been considered repeatedly in the legislature but has not passed.
South Carolina's prohibition is enforced through criminal penalties scaled to amount: small possession is a misdemeanor with first-offense diversion possible in some counties, and larger amounts are felonies with mandatory minimums. The state has not enacted broad synthetic urine criminalization. South Carolina uses impairment-based DUI rather than zero-tolerance per se metabolite testing.
South Carolina's economy includes significant manufacturing (BMW's largest plant outside Germany is in Spartanburg, Boeing in Charleston, Michelin operations), tourism (Hilton Head, Myrtle Beach, Charleston), agriculture, and federal facilities (Naval Information Warfare Center, Joint Base Charleston, Marine Corps Recruit Depot Parris Island, Savannah River Site). The federal contractor and military presence creates significant DOT-regulated and federally regulated employment categories that would not be reached by state cannabis protections even if they existed. For South Carolina workers, the practical situation is that no statutory cannabis protections exist, the medical program offers nothing for most patients, and total abstinence is the only safe approach to drug testing.
What This Means for You
South Carolina 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 South Carolina, your best protection is time and abstinence before the test.