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:

Hydroelectric Power

Dam Spillway

There are approximately 85 hydroelectric generation facilities operating in Vermont and on waters bordering other states. Under state law, the Agency of Natural Resources is charged with ensuring that these projects are operated so that the state's rivers and lakes - which are public trust resources - continue to meet Vermont's water quality standards

Streamflow Protection

Protection of instream flow is a critical aspect of managing our waters in a sustainable manner. While the benefits of flow regulation – hydroelectric power, flood control, water for numerous purposes – are obvious, the impacts often are not. In Vermont, we have focused much attention on maintaining adequate minimum flows to protect aquatic habitat and stream ecology, but other aspects of flow protection are equally important.


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