Operational Stormwater Discharge Permits

Permit Information
Application Materials and Instructions
Information for "Three-Acre Sites"
Do you need an operational permit?
Do you need assistance with your operational permit?
Additional Information

Updates

We are no longer accepting or issuing initial NOI permit applications for "three-acre sites" or renewals of expired permits with discharges to stormwater-impaired waters that are required to upgrade their stormwater system.  A full NOI with all required technical supporting information and fees should be submitted as soon as possible.

As of 12/18/2024, our list of "Three-Acre Sites" has been updated. Please scroll down below to the "Information for "Three-Acre Sites"" section to see the updated list.  

Permit Information

• General Permit 3-9050 for stormwater discharges from new development, redevelopment, "three-acre sites", and previously permitted stormwater discharges.
• Individual Stormwater Permit (INDS) for stormwater discharges from projects which utilize Alternative Stormwater Treatment Practices (STPs) and other limited circumstances.
• Individual Offset Project (INDO) for projects to improve the watershed.  

Application Materials and Instructions​

• Application Requirements for Operational Permits document (updated January 2022)
• 2017 Vermont Stormwater Management Manual Rule and Design Guidance describes the treatment standards and practices for operational permits
• Application instructions, forms and worksheets for all operational permits

Information for "Three-Acre Sites"

• Are you a "three-acre site"?
• Funding questions?
• Guidance documents
  • Stormwater Impact Fee Guidance and Payment Instructions
  • Isolated Impervious Surface Guidance for Existing Stormwater Retrofit Sites

Do you need an operational stormwater discharge permit?

• Refer to the flow chart below for guidance on whether or not your project needs an operational permit. 
  • Flow Chart 

Do you need assistance with your operational stormwater discharge permit?

• District Contact Map for Operational Permitting
• List of Stormwater Engineering Firms
• Designer Training & Examples

Additional Information

• General Permit 3-9030  Residual Designation Authority (RDA) required for designated discharges to Bartlett, Centennial, Englesby, Morehouse, and Potash Brook watersheds.  Renewals of 3-9030 permits will be issued under 3-9050.
• Ch22 Rule Updates