William Eric Sinclair Regulatory Specialist Western Regulatory Field Office 16 August 2012. EASTERN MOUNTAINS and PIEDMONT REGIONAL SUPPLEMENT. Both manuals provide technical guidance and procedures for identifying and delineating wetlands.
Western Regulatory Field Office
16 August 2012
Wetland Definition:Those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. (Federal Register 1982)
Examples of Landforms include: hillside, terrace, valley, sinkhole, depression, etc.
Online Corps Manual, page 73.
EM&P, Chapter 5
Through Natural Events
Through Human Activities
Problem area wetlands are naturally occurring wetland types that lack indicators.
Extent of any alterations?
Relative permanence of physical alteration?
If left “alone”, would current site conditions remain?
14 or more consecutive days of flooding or ponding, or a water table 12 in. or less below the soil surface, during the growing season at a minimum frequency of 5 years in 10.
EM&P Manual, Pages 78 and 79
Two indicators of biological activity that are readily observable in the field are:
EM&P Manual, Pages 79-81
Recommended 30’, 15’, 5’ radius
Adaptable to fit site conditions
Plants rooted outside plot but growing in same soil and hydrologic conditions counted for percent cover estimates.
EM&P Manual, Pages 20-23
EM&P Manual, Pages 25-33