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Wetland DelineationWetland Delineation


According to Section 3.2 of the Vermont Wetland Rules: "The boundary between a wetland and an upland shall be delineated by the methodology set forth in the 1987 edition of the Corps of Engineers Wetlands Delineation Manual. This methodology employs three parameters: vegetation, soils and hydrology." One function of the Vermont Wetlands Section is to field check delineations made by wetland consultants. The following links will provide more information about wetland delineation in Vermont.


Links of Interest


  • 1987 Corps of Engineers Delineation Manual. The "official" version of the federal manual used in delineations for the Army Corps of Engineers.
  • Regional Supplements to the 1987 Wetland Delineation Manual. The Corps has developed supplemental regional criteria for the 1987 Wetland Delineation Manual. The development of Regional Supplements is part of a nationwide effort to address regional wetland characteristics and improve the accuracy and efficiency of wetland-delineation procedures. The Northcentral and Northeast Region Supplement is applicable to Vermont.
  • Updated 2013 National Wetland Plant List (NWPL).  The 2013 NWPL should be used in any wetland delineations or determinations performed after July 17, 2013. The corresponding NWPL may be used in delineation/determination forms prior to that date, and should be referenced on any data forms used in the wetland delineation/determination if used.
  • Field Indicators of Hydric Soils in the United States. A guide for identifying and delineating hydric soils (Version 7.0, 2010). A subset of these soils are found in the regional supplement. To use indicators properly, a basic knowledge of soil/landscape relationships is necessary.
  • Consultants PDF. A list of Wetland/Environmental Consultants that perform wetland delineations in Vermont. This list of consultants does not represent an endorsement of the firms by the Wetlands Section nor does it represent a complete list of available consultants.

Updated: April 2014

VT DEC Watershed Management Division 1 National Life Drive, Main 2  Montpelier, VT  05620-3522  Tele: 802-828-1535   Fax: 802-828-1544


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