South Carolina DUI Laws and Penalties (2026)

A complete guide to DUI and DWI laws in South Carolina, including penalties for first and repeat offenses, BAC limits, license suspension rules, and when a DUI becomes a felony.

Important: This information is for general educational purposes only and is not legal advice. DUI laws in South Carolina can change. If you are facing a DUI charge, consult a licensed South Carolina DUI attorney immediately.

South Carolina DUI At a Glance

BAC Limit0.08%
Felony at3rd offense within 10 years
1st Offense MinVaries

First Offense DUI in South Carolina

48 hours–30 days jail, $400 fine, 6-month suspension

Felony DUI if serious injury or death occurs

Second Offense DUI in South Carolina

5 days–1 year, $2,100–$5,100 fine, 1-year suspension

When Does a DUI Become a Felony in South Carolina?

In South Carolina, a DUI typically becomes a felony charge at the 3rd offense within 10 years. Additional circumstances that can elevate a DUI to a felony include:

  • Causing injury or death to another person while driving impaired
  • Having a child passenger in the vehicle
  • Having an extremely high BAC (typically 0.15% or 0.16%+)
  • Driving on a suspended or revoked license due to a prior DUI

South Carolina DUI BAC Limits

Driver TypeBAC Limit
Standard (21+)0.08%
Under 210.00%–0.02% (zero tolerance)
Commercial Driver (CDL)0.04%

Refusing a Breathalyzer in South Carolina

South Carolina, like all U.S. states, has an implied consent law. By driving on South Carolina roads, you implicitly consent to chemical testing (breath, blood, or urine) if lawfully arrested for DUI. Refusing a test will typically result in automatic license suspension, separate from any DUI conviction, and the refusal can be used against you in court.

DUI vs. DWI in South Carolina

Different states use different terminology. South Carolina uses DUI (Driving Under the Influence) as its primary statute, though both alcohol and drug impairment can result in charges.

Finding a DUI Lawyer in South Carolina

If you are facing a DUI charge in South Carolina, it is strongly recommended to consult with a qualified DUI defense attorney as soon as possible. An attorney can:

  • Review the circumstances of your arrest for procedural errors
  • Challenge the accuracy of BAC testing equipment
  • Negotiate for reduced charges or alternative sentencing
  • Represent you at DMV hearings to contest license suspension

Other South Carolina Traffic Laws