New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1000 - SUBDIVISIONS; INDIVIDUAL SEWAGE DISPOSAL SYSTEMS
Part Env-Wq 1014 - EFFLUENT DISPOSAL AREAS: SOILS, SET-BACKS
Section Env-Wq 1014.03 - Very Poorly Drained Soils
Current through Register No. 13, March 27, 2025
Very poorly drained soils shall be identified as hydric soils that are flooded daily by tides or soils that have aquic conditions in the upper part and one or more of the following:
(a) Sulfidic materials within 12 inches of the soil surface;
(b) An organic surface layer greater than 16 inches thick;
(c) An organic surface layer of 8 to 16 inches thick, and directly underlying the O horizon or, if present, the A horizon, with redoximorphic features;
(d) An organic surface layer of 4 to 8 inches thick, or mucky A or Ap horizon and is directly underlain by a depleted or gleyed matrix; or
(e) For sandy soil textures, no spodic horizon, but with an organic surface layer of 4 to 8 inches thick, or mucky A or Ap horizon, directly underlain with 2% or more redoximorphic features.
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; amd by #9904-A, eff 4-16-11