Who needs a stormwater permit?
Construction Activities
Stormwater discharges from construction activities including clearing, grading, filling, demolition that results in soil exposure, excavating and other land disturbing activities of one acre or more, or any site of disturbance within ½ mile of a coastal receiving water.
Industrial Activities
The discharge from any conveyance that is used for collecting and conveying stormwater and that is directly related to manufacturing, processing or raw materials storage areas at an industrial plant.
Municipal Separate Storm Sewer Systems
A conveyance or system of conveyances including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels or storm drains, owned or operated by a municipality or other public body, designed or used for collecting or conveying stormwater runoff and is not a combined sewer or part of a Publicly Owned Treatment Works.
What Forms will be Required?
Stormwater Program Area | Stormwater Site Types | Associated ePermitting Forms |
Public Sector Construction Projects SCR10
(Construction Projects Within or Outside of an MS4 Area)
| Notice of Intent (NOI) for new construction projects which disturb greater than one acre | D 2617 |
NOI for new construction projects which disturb less than one acre
| D 0451 | |
NOI for new construction projects which disturb less than one acre
| D 2628 | |
| Any stormwater construction project for which the permit ownership is changing to a new Permittee | D 2617 & D 0434 | |
| NOI coverage for Secondary Permittees for work on individual lots within a residential subdivision | D 0432 | |
| Major Modification of an existing permit for land disturbance (any acreage) | D 2617 & D 0435 | |
| Notification of final site stabilization and permit termination request | D 2610 | |
| SCDOT Projects SCR16 | NOI for any land disturbing project where SCDOT representative is the Permittee of the project | SCDOT NOI Construction Activities |
| Any SCDOT project for which the ownership is changing to a new Permittee | SCDOT NOI Construction & Transfer of Ownership | |
| Major Modification of an existing SCDOT permit for land disturbance (any acreage) | D 2617 & D 0435 | |
| Notification of final SCDOT site stabilization and permit termination request | D 2610 | |
| Newly Designated Small MS4 (sMS4) | NOI for any Newly Designated sMS4 to apply for coverage of their MS4 area under the sMS4 General Permit | NOI Small MS4 General Permit - New Permittee |
| Stormwater for Industrial Sites SCR00 | NOI for any industrial site which has potential for industrial materials or byproducts to encounter stormwater | D 2611 |
| No Exposure Certification that no industrial products or byproducts encounter stormwater | D 2616 | |
| Modification to an existing permit | Stormwater Industrial NOI Modification | |
| Notification that all industrial activities associated with the existing permit have ceased or are no longer under the ownership of the Permittee | D 2609 |