I 



Table of Contents 



Page 



Preface 



Part I. Intrcxiuction 



Purpose 



Organization of the Manual 



Use of the Manual 



Background , .. 2 



Federal Wetland Definitions f 



Section 404 of the Clean Water Act t. 



Food Security Act of 1985 1: 



Fish and Wildlife Service's Wetland Classification System ;f 



Summary of Federal Definitions 



Part n. Mandatory Technical Criteria for Wetiand Identification 5 



Hydrophytic Vegetation ^ 



Hydrophytic Vegetation Criterion ^ 



Hydric Soils r 

 Hydric Soil Criterion 



Wetland Hydrology 



Wedand Hydrology Criterion 



Summary 



Pan in. Field Indicators and Other Available Information ^ 



9 



Hydrophytic Vegetauon ' 



Dominant Vegetation -^ 



Field Indicators .^ 



Other Sources of Infomiation yi 



Hydric Soils , , 



Soil Colors Ji 



Hydric Organic Soils .^ 



Hydric Mineral Soils .^ 



National and State Hydric Soils Lists rz 



Soil Surveys ,>, 



Use of the Hydric Soils List and Soil Surveys j^ 



Field Indicators , c 



Wetland Hydrology ,g 



Recorded Data ,? 



Aerial Photographs .. 

 Field Indicators 



