IDENTIFIERS

  • Current Taxon Name (Soil Name): Hennepin
  • OSD
  • Series Extent
  • User Site ID: 82IL143028
  • User Pedon ID: 82IL143028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 40.7905922
  • Std. Longitude: -89.5959769
  • Datum: WGS84
  • Township: 9N
  • Range: 8E
  • Section: 4
  • PLSS Details: about 1,750 feet east & 2,600 feet south of the NW section corner; NW 160, SE 40, SW 10
  • Location Description: Described 3/29/82 as Hennepin Loam (857G) from photo #51 in Richwoods Township as Typical Pedon of the Hennepin part of the 857G complex for the 1992 Soil Survey of Peoria County
  • State: Illinois
  • County: IL143—Peoria
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL143—Peoria County, Illinois

    • PEDON

  • Describers Name: Mark W. Bramstedt & Michael J. Walczynski
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Eutrudepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Hennepin
  • Classificaton Date - 2/23/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Hennepin
  • Classificaton Date - 8/4/2008
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: till
  • Landscape: upland
  • Landform: hillslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/4/2008 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    57

    —

    —

    —

    —

    1045

    —

    190

    13

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; moderate medium granular structure; friable; 3.0 very fine roots and 0.8 fine roots; 3 percent by volume mixed fragments; slight effervescence; slightly alkaline, pH 7.5; clear smooth boundary.
    Bw—10 to 41 centimeters (3.9 to 16.1 inches); brown (7.5YR 5/4) loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; 0.8 medium roots and 0.8 fine roots; 35 percent faint very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; 4 percent by volume mixed fragments; strong effervescence; slightly alkaline, pH 7.6; gradual smooth boundary. continuous - phpvsfiid 1246046; continuous - phpvsfiid 1246046
    C—41 to 152 centimeters (16.1 to 59.8 inches); brown (7.5YR 5/4) loam; massive; firm; 0.8 fine roots; 10 percent medium distinct strong brown (7.5YR 5/6) masses of oxidized iron throughout and 10 percent fine iron-manganese masses; 10 percent by volume mixed fragments; violent effervescence; slightly alkaline, pH 7.8.