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Hydric are identified by field investigations, or there are changes in the (2) A water table at less than or equal to 0.5 ft from the surface during Non-hydric likely to contain hydric inclusions Road National Hydric Soils Criteria (USDA Natural Resources the growing season if permeability is equal to or greater than 6.0 According to the Hydric Soil Definition (Federal Register, July 13, Conservation Service-Wisconsin Technical Guide Section II, March in/hr in all layers within 20 in, or 1994), "a hydric soil is a soil that formed under conditions of 1996). (3) A water table at less than or equal to 1.0 ft from the surface during Source Info: saturation, flooding, or ponding long enough during the growing the growing season if permeability is less than 6.0 in/hr in any layer For additional information, see: Hydric Soils: Digital Soils (NRCS, LCD, LICGF). Hydric soil Section boundary season to develop anaerobic conditions in the upper part." This Hydric Soils Criteria Codes and Definitions within 20 in, or definition replaced an older 1991 version and accomplished two From "Hydric Soils of the United States" (USDA Miscellaneous Publication * A User's Guide to the Wisconsin Inventory DNR Publ. WZ022-92 Wetlands: 1997, (WIDNR). things. First, a soil that is artificially drained or protected (ditches, No. 1491, June, 1991, as revised in the Federal Register, Vol. 60, No. 37, 3. Soils that are frequently ponded for long or very long duration during the The Wisconsin Department of Natural Resources (WIDNR) defines * Wisconsin Wetland Inventory Classification Guide DNR Publ. WZ023-92 Section Boundaries: 1992, USGS DLG (DCLIO). Wetland levees, etc.) is a hydric soil if the soil in its undisturbed state meets February 24, 1995) growing season, or a wetland as "an area where water is at, near, or above the land * Wisconsin Wetland Inventory Map Order Form DNR Publ. WZ024-92 Road Network: 9/99, Parcel Derived (DCLIO). Stream or ditch the definition of a hydric soil. Estimated soil properties for 4. Soils that are frequently flooded for long or very long duration during the surface long enough to be capable of supporting aquatic or Water: 1995, Orthophoto Derived (DCLIO). manipulated soils are based on best professional estimates of the 1. All , except Folists, or growing season. hydrophytic vegetation, and which has soils indicative of wet (from http://www.dnr.state.wi.us/org/gmu/uprock/surfacewaterfiles/ properties thought to exist before manipulation. Second, the link 2. Soils in Aquic suborders, great groups, or subgroups, Albolls suborder, conditions." [s. 23.32(1), Wis. Stats.]. The dominant characteristics watersheds/wetlands.html) Wetland smaller than 2 acres between the definition and criteria was removed (Hydric Soil Tech. Aquisalids, Pachic subgoups, or Cumulic subgroups that are: For more information, contact: of wetlands are a combination of wet soils, hydrology, and wetland Note 1: Proper use of Hydric Soil Terminology . Examples of wetlands are deep and shallow water , For more information contact: April, 2004 -http://www.statlab.iastate.edu/soils/hydric/hstn.html#note1). A. Somewhat poorly drained with a water table equal to 0.0 foot (ft) from David Roberts, (608) 224-3752 , , , wooded , floodplain forests and Excavated smaller than 2 acres the surface during the growing season, or Resource Soil Scientist wet shrub communities. Wetlands can vary from areas which Calvin Lawrence, (608) 266-0756 0 1.25 2.5 5 Miles This map was prepared through the Dane County Department of A list of Dane County hydric soils was developed using the National B. Poorly drained or very poorly drained and have either: Natural Resources Conservation Service have seasonally saturated soil conditions to areas which have Wisconsin Department of Natural Resources Planning and Development in conjuction with the Dane County Hydric Soils Criteria. It lists map units in the soil survey area which (1) A water table equal to 0.0 ft during the growing season if textures 1 Oak Court, Room 208 standing water year-round. Types of vegetation that can be found Bureau of Fisheries Management and Habitat Protection, FH/6 contain hydric components or contain hydric inclusions. The hydric are coarse sand, sand, or fine sand in all layers within 20 inches Madison, WI 53718-8812 in wetlands range from pond lilies to cattails to reed canary grass to Box 7921 Land Conservation Department, Dane County Land Information Open water list is updated whenever additional hydric components or inclusions (in), or for other soils, black ash to silver maple. Madison, WI 53707-7921 Office and the Dane County Regional Planning Commission.