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).  Link 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.

Stormwater Discharges from New Development and Redevelopment General Permit 3-9015

Coverage under the general permit is required for discharges of regulated stormwater runoff from the construction, expansion, and redevelopment of impervious surfaces.  The requirement to obtain a stormwater discharge permit for discharges from regulated impervious surface is contained in the Stormwater Management Rule; the following excerpt from the Rule outlines the requirements for permit coverage:


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  Many of the resources listed  on this page are for historical reference only, and  do not reflect current regulations.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)


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