New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wt - Wetlands Programs
Chapter Env-Wt 400 - DELINEATION AND CLASSIFICATION OF JURISDICTIONAL AREAS; CLASSIFICATION OF PROJECTS
Part Env-Wt 406 - DELINEATION AND CLASSIFICATION OF JURISDICTIONAL AREAS
Section Env-Wt 406.01 - References for Delineation of Wetlands Boundaries

Universal Citation: NH Admin Rules Env-Wt 406.01

Current through Register No. 13, March 27, 2025

(a) Subject to (b) through (d), below, the individual performing the wetlands delineation on behalf of the applicant shall base the delineation on the presence of hydrophytic vegetation, hydric soils, and wetlands hydrology in accordance with the federal delineation method, available as noted in Appendix B.

(b) The hydrophytic vegetation component of the delineation shall be done in accordance with the Northcentral and Northeast 2016 Regional Wetland Plant List, Version 3.3, 2016, published by the US ACE and available as noted in Appendix B.

(c) The hydric soils component of delineations shall be determined in accordance with the New England Hydric Soils Technical Committee's "Field Indicators for Identifying Hydric Soils in New England", Version 4, 2017, published by the New England Interstate Water Pollution Control Commission and available as noted in Appendix B

(d) Delineations of vernal pools shall be based on the characteristics listed in the definition of "vernal pool" in Env-Wt 104. To assist in the delineation, individuals may use either of the following references:

(1) "Identififying and Documenting Vernal Pools in New Hampshire", 3rd Ed., 2016, published by NHF & G and available as noted in Appendix B; or

(2) The US ACE "Vernal Pool Assessment" draft guidance dated 9-10-2013 sand form dated 9-6-2016, Appendix L of the USACE New England District Compensatory Mitigation Guidance, available as noted in Appendix B.

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