Section Env-Wt 806.02 - Goals; Types of Projects(a) Any proposed compensatory mitigation based on stream restoration or enhancement shall be designed to meet as many of the following goals as practicable: (1) Increase or restore native ecosystem productivity and biodiversity;(2) Increase or restore sediment, nutrient, and particulate transport and retention/recycling dynamics;(3) Restore the natural hydrologic regime;(4) Support or improve migration and movement of aquatic biota;(5) Increase or restore the availability or accessibility of upstream aquatic habitats;(6) Increase habitat complexity of the stream ecosystem;(7) Increase sediment and nutrient retention in riparian areas and floodplains;(8) Improve thermal regimes, such as adding riparian vegetation to provide shade;(9) Improve water quality;(10) Improve access to refuge and reproductive habitat for aquatic organisms;(11) Reduce the likelihood of water surges and flash flooding; and(12) Restore a dynamic channel boundary so as to allow a natural migration of the channel within the floodplain.(b) The applicant shall consider the following types of projects:(1) Upgrading or removing existing culverts;(2) Restoring or enhancing riparian and floodplain vegetation;(3) Re-establishing connections to floodplains and side channels;(4) Removing dams or culverts that are effectively functioning as dams;(5) Removing rip-rap and concrete banks and channels and revegetate;(6) Improving stormwater storage and processing;(7) Enhancing or restoring riparian buffers;(8) Installing coarse woody material in the stream or along its banks, or both;(9) Using low impact development (LID) technology such as pervious surfaces, rain gardens, and filter strips; and(10) Removing pavement and other impervious surfaces.N.H. Code Admin. R. Env-Wt 806.02
#8062, eff 3-13-04; ss by #8341, eff 4-25-05 (See Revision Note at chapter heading of Env-Wt 800); ss by #8911, eff 6-20-07
Amended by Volume XXXVI Number 01, Filed January 7, 2016, Proposed by #11000, Effective 2/1/2016, Expires 2/1/2026.Amended by Volume XXXIX Number 28, Filed July 11, 2019, Proposed by #12808, Effective 12/15/2019, Expires 12/15/2029.