Cannabis DUI Laws in South Carolina
Prosecutors must prove the driver was actually impaired by cannabis. There is no specific THC blood level threshold.
DUI Law Details
48 hours to 30 days in jail, fines $400, 6-month license suspension
6-month license suspension
Overview
South Carolina follows an effect-based approach to cannabis DUI enforcement. There is no per se THC limit, and prosecutors must prove actual impairment. Cannabis remains illegal in South Carolina for both medical and recreational use.
Law enforcement uses field sobriety tests, officer observations, and chemical testing to establish impairment. As with other states where cannabis is fully illegal, possession discovered during a DUI stop results in additional charges.
Key Facts
- •No per se THC limit — effect-based standard
- •Cannabis is fully illegal in South Carolina
- •First offense carries 48 hours to 30 days in jail
- •6-month license suspension for test refusal
- •Additional possession charges for any cannabis found
Frequently Asked Questions
Does South Carolina have a THC driving limit?+
What are the penalties for a first cannabis DUI in South Carolina?+
Is cannabis legal in South Carolina?+
Related State DUI Laws
Explore cannabis DUI laws in other states with similar regulations or neighboring jurisdictions.
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Disclaimer: The information on this page is provided for educational and informational purposes only and does not constitute legal advice. Cannabis remains illegal under US federal law. South Carolina DUI laws and regulations are subject to change and may vary by local jurisdiction. THC limits, penalties, and testing methods described here are based on publicly available information and may not reflect the most current regulations. Always verify current laws with official South Carolina state resources and consult with a qualified attorney for legal guidance. Cannabismarketcap does not guarantee the accuracy or completeness of any information presented.