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2025 HYDRIC SOIL CLASS
This page contains links to resources for soil classifiers, environmental consultants, educators, and the general public about hydric soils, in regard to the *2025 Hydric Soils for Wetland Determinations Course.
Disclaimer: Documents developed by the Illinois Soil Classifiers Association and other documents presented here, are from published and/or unpublished sources. Any recommendations contained herein are informational and may become dated as new research and information is developed. By acting upon, or otherwise utilizing any of this information, the user takes responsibility for any outcome and agrees to not hold ISCA, including its officers and committees, liable.
ISCA Presents -Hydric Soils for Wetland Delineation Course
When: June 5 & 6, 2025
This 2 Day Hydric Soil Course will include hands-on field application and indoor presentations, including:
Introduction to hydric soil identification
Formation of hydric soil features
Landscapes and water flow related to hydric soils
Identifying hydric soil indicators in the field
Cost $450, register below
Classroom Location: 500 W. Winchester Rd. in Libertyville
Field Locations: nearby forest preserves
Register before May 30!
(must have 25 registered participants for course to be held)
CEUs - earn 10 continuing education units or professional development hours
Co-Sponsor:
Lake County Stormwater Management Commission (SMC)
Questions about content? Contact Webmaster@illinoissoils.org
Questions about logistics? Contact Bill at wsantelik@lakecountyil.gov
Register below. Each person must register independently
*Downloads for Course and other references
*Field Indicators of Hydric Soils v9.0 (complete)
*Abbreviated Illinois Hydric Soil Indicators v9.0
*Redoximorphic Features for Identifying Aquic Conditions - NC State
*Field Guide for Measuring Percent Redox Coverage
*Soil Textural Triangle
*Soil Texture Flow ChartHydric Soils USDA NRCSIllinois On-Line Drainage Guide"Illinois Drainage Guide" Circular 1226, 1984 (archived pdf booklet for determining set-back distances) National Water & Climate Center
How Water Moves Through Soil - YouTube Video
Class Presentations
(Available after course completion)
*Basic Properties of Hydric Soils
*Formation of Redoximorphic Features - with Speaker Notes
*Soils, Landscapes, and Water Flow
*Hydric Soil Indicators of the Midwest Supplement and How to Describe Them
ISCA Hydric Soil Field Trips & Seminars
For a More Comprehensive Page of All Soils Resources - Click Here!
Soil Organizations
Other Natural Resources Links
Muck over marl
After discussing this site and doing a bit of research, we concluded that the whitish layer is marl (Lma horizon) formed by near-shore lakebed sediments from a past environment. The marl was also enhanced by the accumulation of secondary carbonates which were discharged in the calcium-rich groundwater through the stratified soils. Marl is a kind of limnic material (freshwater lake sediment) that is high in calcium carbonate and generally feels chalky or silty.
