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SC(3 more)
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| Field | SC South Carolina |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | South Carolina Department of Environmental Services (SCDES) |
| Permit Name | NPDES General Permit for Stormwater Discharges from Construction Activities (Permit No. SCR100000) |
| Construction Threshold | ≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan of development or sale that will ultimately disturb ≥ 1 acre) |
| NOI Lead Time | NOI must be submitted to SCDES and acknowledged before land-disturbing activities begin; SCDES does not specify a minimum advance notice period in SCR100000 but recommends submitting at least 7 days before construction start to allow processing time |
| Application Method | Online via SCDES myDESC online portal (myDESC.sc.gov); paper NOI forms are also accepted by mail |
| Permit Fee | No permit application fee for the SCR100000 general permit NOI; annual permit fees may apply under state law — verify with SCDES as fee schedules have been updated following the agency's 2023 transition from SCDHEC to SCDES |
| SWPPP Required | Yes |
| PE Certification Required | No |
| SWPPP Template Available | Yes |
| Inspection Frequency | At least once every 7 calendar days during active land-disturbing activity, and within 24 hours after any storm event that produces ≥ 0.5 inches of rainfall in a 24-hour period; reduced inspection frequency (every 14 days) may be allowed for stabilized or inactive portions of the site |
| Inspector Qualification | No specific state certification is required by SCR100000; however, inspections must be conducted by a 'qualified person' who has been trained in stormwater management principles. SCDES recommends training through programs such as CPESC (Certified Professional in Erosion and Sediment Control) or state-recognized courses, but does not mandate a specific credential |
| Post-Construction Required | Yes |
| Turbidity Standard | No numeric NTU turbidity limit in SCR100000; narrative water quality standards apply |