Richard Chinn Environmental Training, Inc.

Wetland Delineation Methodologies Training


We provide training on the methodologies used in the 1987 Wetland Delineation Manual (with subsequent clarification memoranda) and the local Interim Regional Supplement*. This training has been based in part on the U. S. Army Corps of Engineers Wetlands Delineation Manual Technical Report Y-87-1 (1987 manual), as provided for in the training materials developed in conjunction with Section 307(e) of the Water Resources Development Act of 1990 for the Wetland Delineator Certification Program.

  • Covers, in detail, the knowledges necessary for one to delineate wetlands per the accepted protocols of the Army Corps of Engineers and many state and local agencies,
  • Covers, in detail, the knowledges necessary for one to delineate wetlands using the new implemented or proposed Interim Supplemental Regional Methods of the Army Corps of Engineers,
  • Satisfies the training requirement to become a Certified Wetland Delineator, upon implementation of the Wetland Delineator Certification Program,
  • Satisfies the training requirements of the state Departments of Transportation that require their contractors who perform wetland delineation services to have completed a Wetland Delinator Certification Program or Regulatory IV Interagency Wetland Delineation Training Course,
  • Satisfies the training requirements or recommendations to be listed by the Corps of Engineers districts as a competent wetland delineator and/or consultant on their mailing list and/or web page,
  • Provides approximately 2.6 semester hours toward the specialized wetland training required to become a Professional Wetland Scientist from the Society of Wetland Scientists,
  • Richard Chinn Environmental Training covers all the materials designated in the Army Corps of Engineers' Wetland Delineator Certification Program plus additional wetland management topics of interest to environmental consultants, engineers, land developers, land managers and regulatory staff,
  • Covers current events including the January 10, 2001, Supreme Court decision, SWANCC vs. US,
  • Covers the changes imposed by the Rapanos vs. US Supreme Court decision,
  • Is designed for the novice, the wetland manager with limited experience and the seasoned wetland manager seeking refresher re-training,
  • Is 50% (2 days) Classroom material and 50% (2 days) Field training,

Upon completion of this course, you will:

  • Be able to determine if a site satisfies the hydrophytic vegetation requirements, once the dominant plants have been identified
  • Be able to determine if a site satisfies the hydrology requirement based on in-situ field indicators of hydrology
  • Be able to determine if a site has hydric soils, based on in-situ field indicators
  • Be able to understand the biological, chemical, and physical features at work in wetlands
  • Be able to apply your knowledge of wetlands to other parts of the country / world
  • Be able to determine if a site is within a wetland
  • Be able to determine the boundaries of a wetland
  • Be able to discuss the implications of the recent Supreme Court ruling, SWANCC vs. US
  • Be able to determine if a wetland or other water body generally is, generally is not, or may be a waters of the US following the Rapanos Guidance
  • Be able to follow the Interim Regional Supplemental methods to determine if a site is a wetland

  • Introduction to the 1987 Manual
  • Major wetland events, including SWANCC vs. US decision and the Rapanos decision and guidance
  • Use of the Interim Regional Supplemental methods
  • History of wetland regulations in the US
  • History of the ACOE's Wetland Delineation Manuals (1987, 1989 and proposed 1991)
  • Section 404 authorization
  • Definitions of Waters of the US (and how it has changed over time)
  • Introduction to the Cowardin System
  • Introduction to wetland hydrology
  • Definition of prior converted croplands
  • Definition of farmed wetlands
  • Growing season determination
  • Primary field wetland hydrology indicators
  • Secondary field wetland hydrology indicators
  • Introduction to hydrophytic vegetation
  • Morphological, physiological, & reproductive adaptations to hydrology
  • Vegetation strata
  • Measuring and comparing species within strata
  • National Wetlands Inventory classifications
  • The NWI's proposed, new Subregional lists
  • Selection of dominant species
  • Introduction to hydric soils
  • NTCHS old and new criteria compared
  • Hydric soil lists (national, state and local)
  • Utilizing your Soil Survey
  • Soil taxonomy
  • Soil hydrogeochemistry processes
  • Oxidation / Reduction processes
  • Soil colors
  • Off-site application
  • Routine Small Area application
  • Routine Large Area application
  • Comprehensive application
  • Atypical situations
  • Problem areas
  • Field delineation using Routine Small Area application
  • Field delineation using Routine Large Area application
  • Field delineation of Atypical situation (if available locally)
  • Overview of Mitigation (i.e., Creation, Restoration, Enhancement, Preservation, Mitigation Banks): as time permits
  • Overview of the Nationwide Permit system, Nationwide Permits and Regional General Permits, their conditions and their criteria: as time permits

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