Construction Stormwater in ePermitting

Beginning April 7, 2025, the ePermitting system will officially accept applications for construction stormwater. Recognizing the need for a smooth transition to the online platform, SCDES will allow a transitional period until May 5, 2025. After this date, all permit applications must be submitted exclusively through ePermitting. Please ensure your are prepared to make submissions through the online system. To sign up for an ePermitting account, navigate to our ePermitting webpage and click on "Create Account."

Completing a certifier agreement is mandatory for all applicants requesting coverage under an NPDES permit. This step verifies the identity of the applicants and serves as your "wet ink" signature for compliance with regulatory requirements. For information on how to complete a certifier agreement, please follow the instructions provided on the ePermitting website under the "Certifier Agreement" section.

We have compiled instructions on Stormwater going live in ePermitting that many may find helpful.
 

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NPDES Stormwater Discharges from Construction Activities General Permit Re-issued

The Department has reissued the NPDES General Permit for Stormwater Discharges from Construction Activities (SCR100000) on January 29, 2021. Please find below a link to the permit and the response to public comments. The permit will become effective on March 1, 2021. 

•    Permit
•    Response to Comments
•    Updated Fact Sheet

Things to Know:
•    In the coming weeks, DHEC staff will post a revised Stormwater Pollution Prevention Plan Template that construction site operators and consulting engineers may use. 
•    In the coming weeks, DHEC will post an updated form D-0451, an auto-coverage form for very small projects in the coastal zone 
•    As noted in the Fact Sheet, the reissued permit is demonstrably similar to the previous permit. Please consult the Fact Sheet for specific updates. 
•    Construction site operators granted coverage under the previous permit are automatically covered under the reissued permit and do not need to submit a new NOI. 

Guidance and Tools

Stormwater Permit Submission and Review Process

Contact, Location Info

Related Topics:

Stormwater Management and Sediment and Erosion Control Plan Review Checklist For Design Professionals (pdf)

Stormwater Permits Overview

Best Management Practices (BMPs)

Stormwater - Construction Activities

Industrial Activities Associated with Stormwater Discharges

Water Quality Information Tool

Municipal Storm Sewer Systems (MS4s)

Applications and Forms - Stormwater

Stormwater Permitting Fees

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Environment
Stormwater