Industrial Stormwater GP

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Industrial Stormwater General Permit

The General Permit for the Discharge of Stormwater Associated with Industrial Activity (“Industrial Stormwater General Permit”) regulates industrial facilities with point source discharges that are engaged in specific activities listed in the permit. To register for this program, these facilities must submit a registration form, and implement a Pollution Prevention Plan (PPP). The PPP must include information about the site, an inventory of exposed materials, a summary of potential pollutants, a description of and schedule for implementation of storm water control methods, storm water monitoring, and site inspection.

Industrial Stormwater General Permit Without Modification - effective October 1, 2021; expires September 30, 2024
June 22, 2021 Notice of Reissuance
Fact Sheet

NOTES AND DOCUMENTS REGARDING THE 2024 PUBLIC NOTICE OF THE REISSUANCE OF THE INDUSTRIAL STORMWATER GENERAL PERMIT:

NOTES
- 9/18/2024 - Reissuance Update: The Water Permitting and Enforcement Division's Stormwater Program published the reissuance package for the National Pollutant Discharge Elimination System (“NPDES”) General Permit for the Discharge of Storm water Associated with Industrial Activities (the IGP”) on March 11^th, 2024 for public comment. A 45-day public comment solicitation period was provided to allow stakeholders adequate time to review and provide feedback on the permit. During this period, WPED received over 100 comments from the regulated community, non-profit organizations, and concerned citizens. Additionally, WPED hosted targeted meetings with specific industrial sectors and held information sessions in partnership with the CBIA.
  
  While an October 1, 2024 reissuance date had been projected, the Stormwater Program is continuing to assess public comments and revise the draft permit in response to the feedback. The current version of the IGP continues in effect until the permit is reissued. Once reissued, the permit will allow time for facilities to submit their online registration. Please periodically check back to this website for updates on the permit reissuance.
- 06/05/2024 – 2024 Renewal Registrations: Renewal registrations are not required at this time and should not be submitted. The new registration materials and website links will be posted some time in September 2024 for allow permittees to familiarize themselves with the new process. All renewal registrations submitted before October 1, 2024 will be rejected. Any associated fees will not be refunded and will not carry over to the next registration.
- 03/27/2024 - Name Change: The general permit issued 10/01/2021 is titled, “General Permit for the Discharge of Stormwater Associated with Industrial Activities” (aka “Industrial Stormwater General Permit”, “2021 IGP”, etc.).The reissued version will be titled, “National Pollutant Discharge Elimination System (NPDES) General Permit for the Discharge of Stormwater Associated with Industrial Activities” (aka “draft IGP”, “2024 IGP”, etc.)
- 03/27/2024 – Document Information: The Notice of Tentative Determination expresses the intent to reissue the general permit with the changes seen in the Draft Permit, and explains how public comments can be submitted. The Fact Sheet explains the permit history and why certain changes are being proposed.
DOCUMENTS
- Notice of Tentative Determination – Intent to Reissue the General Permit for the Discharge of Stormwater Associated with Industrial Activities
  (3 pages, uploaded 03/27/2024)
- Fact Sheet for the National Pollutant Discharge Elimination System General Permit for the Discharge of Stormwater Associated with Industrial Activities
  (34 pages, uploaded 03/27/2024)
- Supplemental Fact Sheet for the Draft General NPDES Permit for the Discharge of Stormwater Associated with Industrial Activities
  (4 pages, uploaded 04/01/2024)
- **DRAFT Permit (253 pages)** (uploaded 03/27/2024)
  - National Pollutant Discharge Elimination System (NPDES) General Permit for the Discharge of Stormwater Associated with Industrial Activities
- *DRAFT Permit Appendices (93 pages)** (uploaded 03/27/2024)

Guidance Documents:

Video Tutorial - Common Compliance Problems with the Industrial General Permit

Go Paperless with DEEP's ezFile!

(https://filings.deep.ct.gov/DEEPPortal/)

How to register using ezFile:

Set up a User Account (Instructions for creating a new account)
(Anyone who intends to prepare, review and/or submit a registration electronically within the ezFile portal must create an account.)
Create a Subscriber Agreement (SA) electronically in ezFile. (Instructions for creating an SA)
Print Subscriber Agreement.
Get "wet" signatures on Subscriber Agreement.

Update: A scanned pdf of the signed subscriber agreement must be emailed to deep.stormwaterstaff@ct.gov. Maintain the originally-signed agreement in your records to be made available upon DEEP request.

Every person that will fill out, edit, review, certify, or submit an electronic filing must be
identified and assigned a role. (Instructions for Assigning User Roles)
Once you have received email approval of your SA, you can login to ezFile and complete a filing.
Remember: ezFile has been optimized for Google Chrome.

If a registrant is not capable of submitting electronically, meaning that they do not have access to a computer, or if you have other questions or concerns regarding ezFile, please contact the stormwater group at 860-424-3025 or DEEP.StormwaterStaff@ct.gov.

Check the Status of your Registration/Certification

Stormwater Monitoring Report Forms:

Use the appropriate form, from the list below, to submit stormwater monitoring data to the department. Refer to Section 5(e) of the general permit with modifications for specific information on monitoring requirements.

Update: A scanned pdf of the stormwater monitoring report must be emailed to deep.stormwaterstaff@ct.gov. Maintain the original stormwater monitoring report in your records to be made available upon DEEP request.

Types of Facilities	Forms Revision Date 10/17/11
General (for facilities without sector-specific requirements)	Word , PDF
Sector A - Asphalt Plants	Word , PDF
Sector B - Mines & Quarries and Stone Cutting	Word , PDF
Sector C - Refuse Systems	Word , PDF
Sector D - Auto Salvage Yards	Word , PDF
Sector E - Scrap Recycling Facilities	Word , PDF
Sector F - Steam Electric Power Generation	Word , PDF
Sector G - Transportation and Public Works Facilities
(Non-Municipal) Transportation Facilities (SIC Codes 40, 41, 42, 43, 44 - except 4493 and 45) (use the general form)	Word , PDF
Large Airports	Word , PDF
Small Airports	Word , PDF
Federal, State or Municipal Maintenance/Repair/Salt Storage Facilities Bulk Solid De-icing Material Storage Facilities	Word , PDF Word, PDF
DOT Maintenance and Repair Facilities	Word , PDF
Sector H - Marinas, Yacht Clubs, Boat Dealers	Word , PDF
Sector I - Ship & Boat Building and Repair	Word , PDF
Sector J - Small Scale Composting Facilities	Word , PDF

Stormwater Management

Content Last Updated September 18,2024

Connecticut Department of Energy & Environmental Protection

Industrial Stormwater General Permit

How to register using ezFile:

Check the Status of your Registration/Certification

Stormwater Monitoring Report Forms: