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 609.05 - Living Shoreline Design Plans

Universal Citation: NH Admin Rules Env-Wt 609.05

Current through Register No. 13, March 27, 2025

(a) A living shoreline design plan shall be prepared and stamped by a professional engineer and reviewed relative to delineations of wetlands and stamped by a certified wetland scientist, in accordance with "Guidance for Considering the Use of Living Shorelines", NOAA (2015), available as noted in Appendix B.

(b) A living shoreline design plan shall be prepared to show that the project will:

(1) Use native vegetation, sand fill, and limited stone or wood as specified in Env-Wt 609.06 to provide shoreline stabilization and protection;

(2) Mimic the natural landscape and leave natural vegetation intact to the greatest extent practicable;

(3) If practicable based on the location of the HOTL, water turbulence, and soil conditions, add vegetation to existing sand beaches or dunes or construct vegetated sand dunes;

(4) Design the sill to the lowest elevation possible that still ensures stabilization of the toe of the living shoreline;

(5) Maintain the shoreline's ability to absorb and mitigate storm impacts and adapt to the landward progression of the sea;

(6) Minimize or prevent wave reflection toward abutting properties;

(7) If space and soil conditions allow, cut back unstable banks to a flatter slope, seed and replant with native, non-invasive trees and shrubs; and

(8) Provide habitat for wildlife and aquatic species.

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