Wetland Delineation

General

• 2013 Guidelines for Submitting Wetland Delineations to LGUs in MN (BWSR/Corps-issued guidance for wetland delineations) New!
• Wetland Delineations: Choosing the Appropriate Method (Updated July 1, 2010)
• Using Aerial Imagery to Assess Wetland Hydrology (Supplement to Wetland Mapping Conventions for Cropland) (Updated July 1, 2010)
• Minnesota Land Resource Regions fit to nearest townships. (PDF)
• Wisconsin Land Resource Regions fit to nearest townships. (PDF)
• Wetland Delineation Review Checklist ( Word or PDF )

Wetland Type

• Users Guide NWI Maps Region 3
• Wetlands in MN (Circular 39)
• Classification of Wetlands and Deep-water Habitats of the US
• Eggers and Reed Wetland Community Classification Key
• NWI Maps - link to USFWS site, use online mapping tool or integrate NWI into your Google Earth

Soils

• Field Book for Describing and Sampling Soils
• Hydric Soil Field Indicators Version 7.0-2010 (updated annually, check http://soils.usda.gov/use/hydric/ for the latest changes
• Web Soil Survey: http://websoilsurvey.nrcs.usda.gov/app/ (Use this site to access the most current soil survey information for areas in Minnesota.)

Hydrology

• Hydrologic Monitoring of Wetlands (Supplemental guidance from BWSR)
• Technical Standard for Water Table Monitoring (Corps-issued technical standard for hydrology studies related to wetland determinations/delineations per the 1987 Manual)
• Water Table Monitoring Project Design (Corps-issued technical guidance on designing hydrology studies related to wetland determinations/delineations per the 1987 Manual)
• Installing Monitoring Wells and Piezometers in Wetlands
• Evaluating Antecedent Precipitation Conditions for Assessing Wetland Hydrology (Updated 01/31/2011)
• NRCS and Hybrid Methods Spreadsheet (posted 01/31/2011)
• 30-Day Rolling Total Spreadsheet (posted 01/31/2011)
• Drainage Setback Guidance (posted 09/06/2012)
• Wetland Delineation Precipitation Data: http://climate.umn.edu/wetland/ (use this site to access precipitation data for use in analyzing and interpreting wetland delineation information)

Vegetation

• Plant Identification Guides for Wetland Delineation in MN (Updated November 1, 2012)
• Official 2012 Minnesota State Plant List (PDF or Excel)
• Official 2012 National Plant List (PDF or Excel)

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