South Carolina SWPPP inspection requirements
- Rain trigger
- 0.5″ storm event
- Post-rain deadline
- Within 24 hours
- Routine inspections
- Every 7 or 14 days
- Permit
- SCR100000 Construction General Permit
- Agency
- South Carolina Department of Environmental Services (SCDES)
Verify against your permit. These values reflect the most common reading of South Carolina's program; permits change and projects vary. The official permit text from SCDES controls.
How South Carolina handles construction stormwater
Construction sites in South Carolina disturbing one acre or more need coverage under the SCR100000 Construction General Permit, administered by South Carolina Department of Environmental Services.
Inspector qualifications
A qualified person designated by the operator. Check the current state permit for certification requirements.
Official sources
Common questions
What triggers a SWPPP inspection in South Carolina?
Under the SCR100000 Construction General Permit, a storm event of 0.5 inches or more triggers a post-storm inspection, generally due within 24 hours (non-work days typically extend to the next work day; check your permit). Routine inspections run every 7 or 14 days.
Who can perform SWPPP inspections in South Carolina?
A qualified person designated by the operator. Check the current state permit for certification requirements.
Who administers the construction stormwater program in South Carolina?
South Carolina Department of Environmental Services (SCDES) administers the NPDES construction stormwater program in South Carolina under the SCR100000 Construction General Permit.
What are the penalties for SWPPP violations in South Carolina?
Federal Clean Water Act civil penalties can reach $68,445 per day per violation, and SCDES can issue administrative orders and state penalties on top. Missing rain-triggered inspections is among the most commonly cited violations in stormwater audits.
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