South Carolina's Stormwater Management and Sediment Reduction Act establishes statewide minimum standards for land-disturbing activities. DHEC implements the program, with delegated authority to qualifying local governments meeting state criteria.
Under SC Code Title 48, Chapter 14, any land-disturbing activity disturbing one acre or more requires a stormwater management plan and NPDES Construction General Permit coverage. Plans must include erosion and sediment control measures, post-construction stormwater controls, and inspection schedules. DHEC delegates implementation to local governments that adopt qualifying programs, but minimum technical standards are set statewide. Discharges to impaired waters or coastal areas may trigger additional requirements. Permit holders must self-inspect, maintain records, and submit a Notice of Termination upon stabilization.
DHEC enforcement includes administrative orders, civil penalties up to $1,000 per day per violation under SC Code 48-14-150, and stop-work orders. Willful violations may be criminally prosecuted.
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