Municipal Separate Storm Sewer System (MS4) General Permit

On July 27, 2018, Vermont's MS4 Permit was issued.  This MS4 permit is the third MS4 General Permit issued by the State of Vermont.  The first MS4 permit was issued in 2003 and amended in 2004 and the next was issued in 2012.  The 2018 permit authorizes stormwater discharges within the Urbanized Areas of the following small MS4s: Burlington, Colchester, Essex, Essex Junction, Milton, Shelburne, South Burlington, Williston, and Winooski, the University of Vermont, and the Burlington International Airport.

Construction Stormwater Discharge Permits

Attention:  Vermont Construction General Permit (CGP) 3-9020 was amended and resissued on February 19, 2020, along with updates to the Low Risk Handbook for Erosion Prevention and Sediment Control (LRHB) and The Vermont Standards and Specifications for Erosion Prevention and Sediment Control (VSS).  Links to the reissiued and amended CGP, the Department’s response to public comments (Response Summary), and copies of the updated LRHB and VSS are provided below.


This listing includes publications, videos, and slide shows available from the Stormwater Section.  Many of the resources listed  on this page are for historical reference only, and  do not reflect current regulations. For additional resources of the Watershed Management Division, go to the Watershed Management Division Resources page.

(sorted alphabetically)


Concentrated Animal Feeding Operation Program

The Agency of Natural Resources’ draft Medium Concentrated Animal Feeding Operation (CAFO) General Permit is now on public notice through 5/10/22.  A public hearing has been scheduled for 6:30 PM - 8:30 PM on April 26th, 2022, with virtual and in-person options.  

Green Infrastructure

Green Infrastructure describes a set of practices and design principles that uses natural processes to manage the effects of urbanization on water.  The 2017 Vermont Stormwater Management Manual Rule and Design Guidance has been updated to incorporate more green infrastructure stormwater treatment practices into the treatment standards and design requireents for projects that require a state issued operational stormwater permit. 


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