Wetland identification procedures.

CFR · 2024-01-01 · US · Title 7

(a) (2) NRCS shall determine whether an area of a field or other parcel of land has a predominance of hydric soils that are inundated or saturated as follows: (i) If a soil map unit has hydric soil as all or part of its name, that soil map unit or portion of the map unit related to the hydric soil shall be determined to have a predominance of hydric soils; (ii) If a soil map unit is named for a miscellaneous area that meets the criteria for hydric soils (i.e., riverwash, playas, beaches, or water) the soil map unit shall be determined to have a predominance of hydric soils; or (iii) If a soil map unit contains inclusions of hydric soils, that portion of the soil map unit identified as hydric soil shall be determined to have a predominance of hydric soils. (3) (ii) An official list of hydric soil map units shall be maintained at the local NRCS office and shall include— (A) All soils from the National List of Hydric Soils that can be found in that field office area, and (B) Any soil map units or areas which the state conservationist determines to meet such hydric soil criteria. (iii) Any deletions of a hydric soil unit from the hydric soil map unit list must be made according to the established procedure contained in the publication “Hydric Soils of the United States 1985” for adding or deleting soils from the National List of Hydric Soils. (b) (1) A plant shall be considered to be a plant species that occurs in wetland if such plant is listed in the National Wetland Plant List

official document · source cfr-2024 · id 7:§ 12.31