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Hydric Soils

Updated 10/15/2008

The presence of hydric soil is one of the three mandatory criteria used in the identification and delineation of wetlands. National Team staff provides the development of tools, interpretation, and training of hydric soil indicators. Staff is affiliated with the National Technical Committee on Hydric Soils.

Field Indicators of Hydric Soil in the United States, Version 6.0 ftp://ftp-fc.sc.egov.usda.gov/NSSC/Hydric_Soils/FieldIndicators_v6_0.pdf
Hydric Soils http://soils.usda.gov/use/hydric
National Hydric Soil List by State http://soils.usda.gov/use/hydric/lists/state.html
Application of a Soil Perturbation Index to Evaluate Created and Restored Wetlands
Soil Classification http://soils.usda.gov/technical/classification
Web Soil Survey http://websoilsurvey.nrcs.usda.gov/app
How to use a Soil Survey http://soils.usda.gov/survey/how_to
Online Soil Survey Manuals http://soils.usda.gov/survey/online_surveys
Soil Data Mart http://soildatamart.nrcs.usda.gov
Soil Quality Website http://soils.usda.gov/sqi

Training Materials for Hydric Soil