A first DUI arrest in South Carolina raises questions about jail time. South Carolina law establishes penalty ranges for first DUI offenses based on blood alcohol concentration levels. Actual sentencing depends on multiple factors, including your BAC reading, whether anyone was injured, and the circumstances surrounding your arrest. Jail time remains possible for first offenders, though judges may impose alternative sentences including fines, community service, and treatment programs.

Key Takeaways for First DUI Jail Time in South Carolina
- South Carolina defines DUI offenses under SC Code § 56-5-2930 with penalties established based on three BAC categories.
- Jail time remains possible but not automatic for first DUI offenses—judges choose between fines, jail time, or public service based on case circumstances.
- BAC readings significantly affect penalty options, with higher BAC levels requiring mandatory minimums that reduce judicial flexibility.
- Judges may impose public service as an alternative to jail time for all BAC categories under statutory provisions.
- Legal representation affects case outcomes by examining evidence, negotiating with prosecutors, and presenting case circumstances to courts.
South Carolina First DUI Penalties Under State Law
South Carolina defines driving under the influence in SC Code § 56-5-2930. Penalties for first offenses are divided into categories based on blood alcohol concentration levels.
| BAC Level | Fine Range | Jail Time Range | Public Service Alternative | License Suspension | Mandatory Programs |
| 0.08% – < 0.10% | $400 | 48 hours to 30 days | 48 hours public service instead of jail | 6 months (SCDMV) | ADSAP required |
| 0.10% – < 0.16% | At least $500 | 72 hours to 30 days | 72 hours public service instead of jail | 6 months (SCDMV) | ADSAP required |
| 0.16% or higher | At least $1,000 (cannot be suspended) | 30 to 90 days (mandatory minimum applies) | 30 days public service instead of jail | 6 months (SCDMV) | ADSAP required |
BAC-Based Penalty Structure
South Carolina law establishes three penalty tiers for first DUI offenses. Courts choose between fines and jail time for lower BAC categories:
- BAC of 0.08% to less than 0.10%: Fine of $400, or imprisonment for 48 hours to 30 days, or 48 hours of public service in lieu of imprisonment
- BAC of 0.10% to less than 0.16%: Fine of not less than $500, or imprisonment for 72 hours to 30 days, or 72 hours of public service in lieu of imprisonment
- BAC of 0.16% or higher: Fine of not less than $1,000, or imprisonment for 30 days to 90 days, or 30 days of public service in lieu of imprisonment
All first DUI convictions carry six-month license suspension through SCDMV and mandatory ADSAP enrollment. In addition to statutory fines, court costs and surcharges typically increase the total amount due for a first DUI conviction.
Understanding "Or" in Sentencing Options
The statute uses "or" between fines and imprisonment for all BAC categories. For BAC under 0.10%, judges may impose a $400 fine without jail time, or 48 hours to 30 days jail without a fine, or substitute 48 hours of public service for the jail minimum. Courts choose one penalty option rather than imposing both automatically.
For BAC between 0.10% and 0.16%, judges choose between a fine of at least $500, or 72 hours to 30 days jail, or 72 hours of public service as a substitute. For a BAC of 0.16% or higher, judges must order at least 30 days jail or equivalent public service, and the fine cannot be suspended. The mandatory minimum is 30 days jail or 30 days public service for the highest BAC tier.
Factors That Influence Sentencing Decisions
South Carolina judges consider multiple factors when deciding sentences for first DUI offenses.
BAC Level and Penalty Options
Blood alcohol concentration readings determine which penalty tier applies. BAC just over 0.08% provides judges with maximum flexibility to choose between a fine or minimal jail time. BAC between 0.10% and 0.16% requires higher fines or longer minimum jail periods. BAC of 0.16% or higher requires judges to impose at least 30 days jail or 30 days public service, with limited ability to reduce penalties below this statutory minimum.
Accident Circumstances and Injuries
Whether your DUI involves a crash affects sentencing. First DUI offenses without crashes or property damage may receive different treatment than cases involving accidents. Injuries to other people affect sentencing decisions within permitted penalty ranges. Courts evaluate cases involving crashes differently than arrests where no one was hurt.
Conduct and Criminal History
Your behavior during the stop affects how prosecutors and courts view your case. Cooperation with law enforcement may influence outcomes within statutory parameters. Aggressive behavior, attempting to flee, or refusing tests under South Carolina's implied consent law in SC Code § 56-5-2950 affects your case. A refusal to submit to a breath or blood test triggers an administrative six-month license suspension, which is separate from, and may run concurrently with, any DUI conviction penalties.
Courts may consider your broader criminal history when exercising discretion within penalty ranges. Prior convictions for other offenses may influence sentencing decisions.
Alternative Sentences for First DUI Offenders
South Carolina law permits judges to impose public service as an alternative to jail time for first DUI offenses.
Public Service and Treatment Programs
Courts may impose these alternatives for first offenders:
- Public service: Working for government agencies or nonprofits to satisfy jail time minimums—48 hours for BAC under 0.10%, 72 hours for BAC 0.10-0.16%, or 30 days for BAC 0.16% or higher
- ADSAP enrollment: A Mandatory Alcohol and Drug Safety Action Program, including assessment, education courses, and possible counseling sessions, which is required for all first DUI convictions
- Financial penalties: Base fines under the statute plus court costs and surcharges that increase total amounts due
- Ignition interlock devices: Required under SC Code § 56-5-2941 for most first-time offenders seeking provisional licenses
Courts may consider participation in treatment programs when evaluating sentencing options within statutory ranges.
License Suspension and Administrative Penalties
First DUI arrests trigger an automatic six-month license suspension under South Carolina's implied consent law in SC Code § 56-5-2950. This suspension begins at arrest, not conviction. Administrative suspension proceeds independently from criminal court proceedings.
Provisional License and IID Requirements
Since 2024, ignition interlock device installation is required for most first-time offenders seeking provisional or restricted licenses during the suspension period, regardless of BAC. South Carolina Code § 56-5-2941 governs IID requirements.
Provisional license eligibility requires:
- ADSAP enrollment completion
- SR-22 insurance filing with SCDMV
- Payment of reinstatement fees
- Ignition interlock device installation under current law
These provisions help offenders maintain employment and handle family responsibilities during suspension periods.
How Greenville Courts Handle First DUI Cases
Greenville County processes DUI cases through the Greenville County Courthouse and the Greenville Municipal Court. Citations include mandatory court appearance dates. Missing court appearances results in bench warrants and additional charges.
How Legal Representation Affects Case Outcomes
Defense attorneys examine cases through evidence review, prosecutor negotiation, and presentation of case circumstances to courts.
Evidence Review Process
Attorneys examine arrest aspects, including:
- Whether officers had reasonable suspicion for the stop under South Carolina law
- Whether field sobriety tests followed proper administration protocols
- Breath test machine calibration and maintenance records maintained by SLED
- Procedural compliance during arrest and processing
- Protection of constitutional rights throughout proceedings
These reviews may reveal issues affecting evidence admissibility or case outcomes.
Negotiation and Court Presentation
Defense attorneys negotiate with prosecutors regarding possible case outcomes within statutory parameters. Negotiations may address charge modifications, sentencing recommendations within permitted ranges, or plea agreements.
Attorneys present the case circumstances to the courts. Courts may consider factors including prior record, treatment program participation, employment responsibilities, and character references when exercising discretion within statutory sentencing ranges.
Sentencing Hearing Procedures
Sentencing hearings determine specific penalties judges impose following DUI convictions or guilty pleas. These hearings are where the court officially decides on consequences like fines, probation, or potential jail time.
Arguments and Judicial Decision-Making
Prosecutors present sentencing positions based on case circumstances. They cite factors including BAC readings, driving behavior, and case history. Defense attorneys present information supporting sentencing options within statutory ranges.
South Carolina judges exercise discretion within the penalty ranges established by statute. Courts consider the circumstances of the offense, the defendant's conduct, their prior history, and public safety concerns when choosing between fine, jail time, or public service options permitted by law.

FAQ for First DUI Jail Time in South Carolina
Does a first DUI affect professional licenses in South Carolina?
First DUI convictions may affect professional licenses in South Carolina. Professional licensing boards, including those governing healthcare, education, commercial driving, and law enforcement, review criminal convictions during application and renewal processes. South Carolina boards evaluate convictions individually based on profession-specific standards and regulations.
Some professions require disclosure of criminal convictions, including misdemeanors. Commercial driver's licenses face federal regulations under FMCSA rules that disqualify CDL holders for DUI convictions. Healthcare professionals holding nursing, medical, or pharmacy licenses must report convictions to their respective boards, which may impose disciplinary action ranging from reprimands to license suspension or revocation.
Can a first DUI prevent me from entering another country like Canada?
Canada considers DUI a serious criminal offense and may deny entry to individuals with DUI convictions. Canadian immigration law treats DUI as an indictable offense equivalent to a felony under their Criminal Code. Entry denial may occur at the border even years after your conviction.
Options for entering Canada with a DUI conviction include applying for temporary resident permits, criminal rehabilitation after a waiting period, or deemed rehabilitation for older convictions that meet specific criteria.
Other countries, including Mexico, Australia, and several European nations, maintain their own policies regarding entry for individuals with DUI convictions. Travel restrictions vary by country and change based on international agreements and immigration policies.
How long does a first DUI stay on your insurance record in South Carolina?
Insurance companies in South Carolina typically review three to five years of driving history when calculating premiums. First DUI convictions remain on your South Carolina driving record permanently. However, insurance companies focus on the most recent three to five years when determining rates. Premium increases following DUI convictions can be substantial.
Some insurers may non-renew policies after DUI convictions, requiring you to seek high-risk insurance through assigned risk pools or specialized carriers. Rate impacts diminish over time as the conviction ages beyond the standard review period, though the conviction itself remains on your permanent driving record.
Do ignition interlock requirements apply to first-time offenders with a BAC below 0.15%?
Since 2024, South Carolina Code § 56-5-2941 has required the installation of an ignition interlock device for most first-time offenders who are seeking provisional or restricted licenses during suspension periods, regardless of their BAC level. This represents a change from prior law, which limited IID requirements to cases involving higher BACs.
First-time offenders who want to drive during their suspension period must install IID devices as a condition of receiving provisional licenses. The devices prevent vehicle operation unless you provide a breath sample showing no alcohol consumption. Courts may also order IID installation as part of sentencing even when not seeking provisional licenses during suspension.
What happens if I'm charged with DUI but the breath test machine malfunctions?
Breath test machine malfunctions may affect DUI prosecution. South Carolina law requires breath test machines to meet specific certification and calibration standards. Machine maintenance records, calibration logs, and operator certification all factor into evidence admissibility.
Defense attorneys examine whether machines received proper maintenance, whether operators held current certification, and whether testing procedures followed established protocols. Machine malfunctions, improper calibration, or operator errors may provide grounds for challenging breath test results. Prosecutors may still pursue DUI charges based on field sobriety tests, officer observations, and other evidence even when breath test results face challenges. Courts evaluate evidence reliability on a case-by-case basis.
Get Legal Help for Your First DUI Charge in Greenville
First DUI arrests raise questions about penalties and long-term consequences. South Carolina law defines DUI in SC Code § 56-5-2930, but actual sentences depend on BAC levels, case circumstances, and the presentation of case information to prosecutors and courts.
Fedalei & Reid Law fights for fair outcomes when clients face their first DUI charges in Greenville and throughout South Carolina. Contact Fedalei & Reid Law at (864) 668-1661 to discuss your first DUI charge. The consultation examines arrest circumstances, evidence, and available legal options under South Carolina law.