New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wt - Wetlands Programs
Chapter Env-Wt 600 - COASTAL LANDS AND TIDAL WATERS/WETLANDS
Part Env-Wt 609 - TIDAL SHORELINE STABILIZATION
Section Env-Wt 609.04 - Techniques for Tidal Shoreline Stabilization

Universal Citation: NH Admin Rules Env-Wt 609.04

Current through Register No. 13, March 27, 2025

(a) Subject to (c), below, tidal shoreline stabilization shall be accomplished using living shoreline techniques unless the applicant demonstrates that a living shoreline is not practicable.

(b) Living shoreline techniques shall include the following:

(1) Soft vegetative bank stabilization, including regrading and replanting of slopes, in which all work occurs at or above the mean tide level;

(2) Bioengineered bank stabilization that uses a combination of live vegetation, shells, woody material, or geotextile matting, which may include regrading and replanting of slopes with all work occurring at or above the mean tide level;

(3) Soft vegetative shoreline stabilization that occurs below mean tide level, which may include fill and soft sill structures to restore the stabilizing and natural functions of salt marshes; and

(4) Bioengineered shoreline stabilization that occurs below mean tide level, which may include fill and a combination of live vegetation, woody material, geotextile matting, and harder structural materials such as rocks to create a sill at toe of a marsh or bank stabilization project.

(c) Living shoreline techniques shall be required if the project is to replace an existing stabilization structure that:

(1) Has not functioned as required by Env-Wt 609.01; or

(2) Is not an existing legal structure.

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