stormwater

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.

Stormwater Construction Discharge Permits

NEW:  DRAFT Construction General Permit 3-9020 (2019) is on public notice March 26, 2019 through May 3, 2019.  Written public comments on the proposed permit are invited and must be recieved on or before Friday May 3, 2019.  A public hearing is scheduled for April 25, 2019 from 10 am to 12 pm in the Montpelier Room at the National Life Campus in Montpelier, Vermont.  To review the DRAFT document and related materials please visit the Environmental Notice Bulletin (ENB).  The DRAFT document materials are also available 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:

Resources

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  Many of the resources listed  on this page are for historical reference only, and  do not reflect current regulations.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

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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