Vermont Stormwater-Municipalities regulations & environmental compliance analysis

Vermont Stormwater-Municipalities: What you need to know

Governing Law and Regulations

National pollutant discharge elimination system (NPDES) permit program: Vermont Administrative Rules (VAR) 12-033-002

Regulatory Agencies
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Vermont Department of Environmental Conservation (DEC) Watershed Management Division

U.S. Environmental Protection Agency (EPA) Region 1

See ADDRESSES & CONTACTS for addresses and telephone numbers.

Comparison: State vs. Federal

· Rules. Vermont is authorized by the U.S. Environmental Protection Agency (EPA) to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for wastewater discharges, including permitting authority for stormwater discharges associated with municipal separate storm sewer systems (MS4s). See the national section STORMWATER—MUNICIPALITIES for more information on the federal MS4 permitting program.

· Administration and enforcement. The DEC is responsible for administering the stormwater MS4 permitting program.

State Requirements


Under the NPDES stormwater program, operators of large, medium, and regulated small MS4s require authorization to discharge pollutants under a NPDES permit. "Regulated small MS4s" are defined as all small MS4s located in "urbanized areas" (UAs) as defined by the U.S. Census Bureau and those small MS4s located outside of a UA that are designated by NPDES permitting authorities.

Vermont's MS4 permit authorizes stormwater discharges within the UAs of the following small MS4s: Burlington, Colchester, Essex, Essex Junction, Milton, Shelburne, South Burlington, Williston, Winooski, the University of Vermont, the Burlington International Airport, and the Vermont Agency of Transportation (VTrans). The VTrans small MS4 includes state highways within the UAs in ...

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