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"For projects located in MS4 areas, a completed Notice of Intent form, an MS4 approval, and $125 NPDES fee are required to be submitted to DHEC for NPDES coverage. A SWPPP is only required when specifically requested by DHEC for review. If your project is located within an MS4 or Urbanized Area (UA) that requires an application other than DHEC Form 2617, then a copy of this application, reviewed and approved by the MS4 or UA, will need to be submitted."

Greater than 2 Acres of Land Disturbance

South Carolina’s NPDES Stormwater Program requires that anyone engaged in clearing, grading, and/or excavating activities that disturb more than 2 acres, including smaller sites in a Larger Common Plan of development or sale,  whose combined total disturbed area is more than 2 acres, to submit an Notice Of Intent for permit coverage approval prior to beginning any land disturbing activities.

In addition to the NOI, the request for permit coverage Comprehensive Stormwater Pollution Prevention Plan  (C-SWPPP) prepared by a licensed South Carolina Professional Engineer, Landscape Architect, Tier B Land Surveyor, or a Federal Government Employee. The C-SWPPP must include the construction site plans and a SWPPP document that addresses all applicable requirements found in the Construction General Permit and SC Regulation 72.300.

professional design checklist has been made available to help ensure that these regulations are met. Additionally, the SC DHEC BMP Handbook has been provided to aid in the selection of Best Management Practices (BMPs) that may address applicable requirements.

Construction Activities

Construction Activities

Information and Requirements on land disturbing activities for construction activities.

Design Guidance

Less Than 1 Acre

Information and Requirements on land disturbing activities that disturb less than 1 Acre.

Regulated MS4s

Between 1-2 Acres

Information and Requirements on land disturbing activities that disturb 1.0 to 2.0 Acres of land.


prepared by a licensed South Carolina Professional Engineer. The plans and SWPPP must be in accordance with R72.300. A professional design checklist has been made available to help ensure that these regulations are met.

For those looking for additional information or help with acquiring NPDES Stormwater Coverage under the Construction General Permit, DHEC’sStormwater Staff is always available to answer questions about implementation and the design of proper stormwater managements plans. DHEC’s also provides numerous design aidstechnical documents and stormwater-associated links that may assist in the development of a site-specific C-SWPPP. 

Greater than 2 Acres of Land Disturbance - Coastal Counties

Requirements for projects located within one of the eight coastal counties are the same as the requirements for projects outside of the coastal zone except for the inclusion of a Coastal Zone Consistency determination from DHEC’s Office of Ocean and Coastal Resource Management (DHEC-OCRM).

A Coastal Zone Consistency submittal package must be submitted with requests for permit coverage for review by DHEC-OCRM. Contact DHEC-OCRM regarding submittal requirements.


 

Bureau of Water . Phone: (803) 898-4300 . Fax: (803) 898-3795 .