
No Exposure Guide
EPA's Guidance Manual for Conditional Exclusion from Stormwater Permitting Based On "No Exposure" of Industrial Activities.

MS4 Guide
Contains examples of permit conditions and supporting rationale that could be used in "fact sheets" that accompany NPDES permits.
Below are tables providing downloadable pdfs of important Design Aid and Technical Documents that may be helpful when applying for coverage under one of SC's NPDES Stormwater Permit Programs.
Each section, separated by the type of activity the documents are associated with, contains a table listing each document and its respective description.
All current General Permits (GPs) are available for download below, along with many checklist, worksheets and fact sheets that will help you obtain coverage under one of the GPs.
Links for the Notice of Intents, Monthly Reports, and Notice of Terminations can be found on the Applications and Forms Page.
Construction Activities
NPDES General Permit for Stormwater Discharges from Construction Activities SCR100000 (PDF) (Effective 3/1/2021) |
|
A SWPPP Template that may be used to create both the Comprehesive and On-site SWPPP as required by the 2012 CGP. | |
A SWPPP Template that may be used to bring SWPPPs approved under the 2006 CGP into compliance under the 2012 CGP. (All 2006 SWPPPs must be updated by July 1, 2013.) | |
The SC DHEC Stormwater Management BMP Handbook. A detailed description of approved Best Management Practices and how to maintain them. |
|
A design checklist to ensure that all aspects of the stormwater management regulations are addressed for individual land disturbing activities. Last updated February 2017. |
|
A guidance clarifying between what constitutes a major modification from a minor modification. |
|
|
A sample construction sequence that outlines where certain activities This is just a suggested sequence and may not be applicable or acceptable for all projects. |
A letter containing a table of all impaired water bodies of South Carolina, the location of these impairments, station names and cause of each impairment. |
|
A detailed table of monitoring stations with developed TMDL, station names, locations and impairments of concern. |
|
A collection of AutoCAD drawings for BMP construction details from the 2006 SC BMP Handbook. |
|
A Permanent Stormwater System Maintenance and Responsibility Agreement. This includes detention ponds, swales, and any other permanent BMPs that are used to treat water quality post-construction. |
Industrial Activities
NPDES General Permit for Stormwater Discharges Associated with Industrial Activity SCR000000 (Effective 1/1/2011) |
|
A link to EPA's Guidance Manual for Conditional Exclusion from Stormwater Permitting Based On "No Exposure" of Industrial Activities to Stormwater. |
|
The responses to public comments received for the Draft 2010 Industrial General Permit. |
|
Public Comment Response 2016 | The responses to public comments received for the Draft 2016 Industrial General Permit. |
A fact sheet that describes the basis and procedures for reissuance of a NPDES Permit (SCR000000) for discharge of stormwater from industrial activites. |
|
A guidance document used to aid in the development of a site-specific Storwater Pollution Prevention Plan for Industrial Facilities. |
|
An EPA provided guide on how to properly monitor and sample stormwater runoff from an Industrial Site. |
|
The NPDES Industrial Stormwater General Permit Training Presentation used in the multiple training sessions for the 2010 Industrial General Permit. |
|
The 303(d) and TMDLs Presentation explaining DHEC's perspective on these two pollutant classifications. |
Municipal Separate Storm Sewer System (MS4)
NPDES General Permit for Stormwater Discharges |
|
A list of Regulated Small MS4s by municipality and the associated |
|
This guide contains examples of permit conditions and supporting rationale that could be used in "fact sheets" that accompany NPDES permits. This guide also includes recommendations for permit writers on how to tailor the language depending on the type or permit. (EPA Provided.) |
|
A Fact Sheet provided by the EPA on promulgating Effluent Limitations Guidelines (ELGs) and New Source Performance Standards (NSPS) to control discharge of pollutants from construction sites. |
|
EPA's Proposed Rulemaking to Strengthen the Stormwater Program |
EPA is in the process of undertaking a rulemaking to strengthen and potentially expand the NPDES Stormwater Program. |
A joint resolution to suspend the running of certain governmental approvals (including stormwater permits) affecting the development of real property within the state for the period beginning January 1, 2013 and ending December 31, 2016. |