USDA SSURGO COUNTY SOIL REFERENCE

Jefferson County, Kentucky Soil Summary

This page summarizes USDA SSURGO mapped soil information for Jefferson County, Kentucky.

Mapped Land Coverage
100%254,464.55 mapped acres of 254,464.53 Census land acres

Coverage measures mapped SSURGO intersection with Census land geometry. It does not mean that every parcel or point has complete soil information.

Soil at a Glance

Largest mapped soil unit
Urban land-Udorthents complex, 0 to 12 percent slopes
Symbol: UahC • 9.2% of mapped area
Largest estimated component
Urban land
87,863.42 acres (34.53% of mapped area)
Mapped units & components
190 mapped soil units
Top 15 shown below · 64 component series
Dominant drainage class
Unknown / Unmapped
Highest acreage drainage class
Dominant hydrologic group
Group Unknown / Unmapped
Runoff potential classification
Weighted average slope
9.22%
Terrain slope analysis
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County summaries provide regional context across mapped soil units. Address lookup combines available public datasets for the Census-matched location.

Top Mapped Soil Units

Showing the 15 largest mapped units, representing 60.28% of mapped soil area.
SymbolMap Unit NameMapped Acres% of Mapped Area
UahCUrban land-Udorthents complex, 0 to 12 percent slopes23,401.629.2%
UaUrban land22,4198.81%
UmCUrban land-Alfic Udarents-Crider complex, 0 to 12 percent slopes18,786.47.38%
UbCUrban land-Alfic Udarents complex, loamy substratum, 0 to 12 percent slopes11,027.554.33%
UjCUrban land-Alfic Udarents complex, clayey substratum-over hard bedrock, 0 to 12 percent slopes10,932.474.3%
WWater9,689.513.81%
ShD3Shrouts silt loam, 12 to 25 percent slopes, severely eroded, very rocky9,331.553.67%
UakFUrban land-Udorthents complex, smoothed, 0 to 50 percent slopes7,659.983.01%
CrBCrider silt loam, 2 to 6 percent slopes7,050.822.77%
CeFCarpenter silt loam, 20 to 50 percent slopes6,716.792.64%
BeCBeasley silt loam, 6 to 12 percent slopes6,447.372.53%
FsFFaywood-Shrouts-Beasley complex, 25 to 50 percent slopes5,278.252.07%
UagBUrban land-Udarents complex, wet substratum, 0 to 6 percent slopes, rarely flooded5,148.232.02%
UeCUrban land-Alfic Udarents complex, fragipan substratum-over loamy sediment, 0 to 12 percent slopes4,850.91.91%
UhCUrban land-Alfic Udarents complex, fragipan substratum-over hard bedrock, 0 to 12 percent slopes4,662.011.83%
UahC9.2% of mapped area

Urban land-Udorthents complex, 0 to 12 percent slopes

Mapped Area23,401.62 acres
Rank#1 of 190 in county
Ua8.81% of mapped area

Urban land

Mapped Area22,419 acres
Rank#2 of 190 in county
UmC7.38% of mapped area

Urban land-Alfic Udarents-Crider complex, 0 to 12 percent slopes

Mapped Area18,786.4 acres
Rank#3 of 190 in county
UbC4.33% of mapped area

Urban land-Alfic Udarents complex, loamy substratum, 0 to 12 percent slopes

Mapped Area11,027.55 acres
Rank#4 of 190 in county
UjC4.3% of mapped area

Urban land-Alfic Udarents complex, clayey substratum-over hard bedrock, 0 to 12 percent slopes

Mapped Area10,932.47 acres
Rank#5 of 190 in county
W3.81% of mapped area

Water

Mapped Area9,689.51 acres
Rank#6 of 190 in county
ShD33.67% of mapped area

Shrouts silt loam, 12 to 25 percent slopes, severely eroded, very rocky

Mapped Area9,331.55 acres
Rank#7 of 190 in county
UakF3.01% of mapped area

Urban land-Udorthents complex, smoothed, 0 to 50 percent slopes

Mapped Area7,659.98 acres
Rank#8 of 190 in county
CrB2.77% of mapped area

Crider silt loam, 2 to 6 percent slopes

Mapped Area7,050.82 acres
Rank#9 of 190 in county
CeF2.64% of mapped area

Carpenter silt loam, 20 to 50 percent slopes

Mapped Area6,716.79 acres
Rank#10 of 190 in county
BeC2.53% of mapped area

Beasley silt loam, 6 to 12 percent slopes

Mapped Area6,447.37 acres
Rank#11 of 190 in county
FsF2.07% of mapped area

Faywood-Shrouts-Beasley complex, 25 to 50 percent slopes

Mapped Area5,278.25 acres
Rank#12 of 190 in county
UagB2.02% of mapped area

Urban land-Udarents complex, wet substratum, 0 to 6 percent slopes, rarely flooded

Mapped Area5,148.23 acres
Rank#13 of 190 in county
UeC1.91% of mapped area

Urban land-Alfic Udarents complex, fragipan substratum-over loamy sediment, 0 to 12 percent slopes

Mapped Area4,850.9 acres
Rank#14 of 190 in county
UhC1.83% of mapped area

Urban land-Alfic Udarents complex, fragipan substratum-over hard bedrock, 0 to 12 percent slopes

Mapped Area4,662.01 acres
Rank#15 of 190 in county

Estimated Soil Components

Showing the 15 largest estimated component series. Component acreages are estimated from SSURGO map-unit component percentages (comppct_r) applied to spatially measured map-unit acreage.
ComponentDrainage ClassHydrologic GroupEstimated Acres% of Mapped Area
Urban landUnspecifiedUnspecified87,863.4234.53%
Alfic UdarentsWell drained, Moderately well drained, Somewhat poorly drainedD25,556.4410.04%
UdorthentsUnspecifiedUnspecified17,548.016.9%
CriderWell drainedC, B15,716.276.18%
BeasleyWell drainedC12,199.884.79%
ShroutsWell drainedD12,168.954.78%
WaterUnspecifiedUnspecified9,739.633.83%
FaywoodWell drainedD, C7,394.872.91%
CaneyvilleWell drainedD, C6,231.542.45%
CarpenterWell drainedC, B5,024.951.97%
NicholsonModerately well drainedC4,928.591.94%
NolinWell drainedB4,277.411.68%
TilsitModerately well drainedC4,069.371.6%
WheelingWell drainedA3,833.221.51%
BedfordModerately well drainedC, C/D3,423.431.35%
Component acreage is estimated from SSURGO map-unit component percentages. Component values are not independently mapped polygon boundaries.

Urban land

34.53%
Estimated Acres87,863.42
Drainage ClassUnspecified
Hydrologic GroupUnspecified

Alfic Udarents

10.04%
Estimated Acres25,556.44
Drainage ClassWell drained, Moderately well drained, Somewhat poorly drained
Hydrologic GroupD

Udorthents

6.9%
Estimated Acres17,548.01
Drainage ClassUnspecified
Hydrologic GroupUnspecified

Crider

6.18%
Estimated Acres15,716.27
Drainage ClassWell drained
Hydrologic GroupC, B

Beasley

4.79%
Estimated Acres12,199.88
Drainage ClassWell drained
Hydrologic GroupC

Shrouts

4.78%
Estimated Acres12,168.95
Drainage ClassWell drained
Hydrologic GroupD

Water

3.83%
Estimated Acres9,739.63
Drainage ClassUnspecified
Hydrologic GroupUnspecified

Faywood

2.91%
Estimated Acres7,394.87
Drainage ClassWell drained
Hydrologic GroupD, C

Caneyville

2.45%
Estimated Acres6,231.54
Drainage ClassWell drained
Hydrologic GroupD, C

Carpenter

1.97%
Estimated Acres5,024.95
Drainage ClassWell drained
Hydrologic GroupC, B

Nicholson

1.94%
Estimated Acres4,928.59
Drainage ClassModerately well drained
Hydrologic GroupC

Nolin

1.68%
Estimated Acres4,277.41
Drainage ClassWell drained
Hydrologic GroupB

Tilsit

1.6%
Estimated Acres4,069.37
Drainage ClassModerately well drained
Hydrologic GroupC

Wheeling

1.51%
Estimated Acres3,833.22
Drainage ClassWell drained
Hydrologic GroupA

Bedford

1.35%
Estimated Acres3,423.43
Drainage ClassModerately well drained
Hydrologic GroupC, C/D
Component acreage is estimated from SSURGO map-unit component percentages. Component values are not independently mapped polygon boundaries.

Drainage Class Distribution

Unknown / Unmapped46.86%
119,246.68 acres
Well drained36.62%
93,187.03 acres
Moderately well drained11.18%
28,440.97 acres
Somewhat poorly drained3.03%
7,714.54 acres
Poorly drained1.53%
3,898.92 acres
Somewhat excessively drained0.44%
1,116.99 acres
Very poorly drained0.34%
859.43 acres

Hydrologic Soil Group Distribution

Group Unknown / Unmapped50.89%
129,499.85 acres
Group D22.24%
56,583.38 acres
Group C11.39%
28,986.84 acres
Group B9.22%
23,456.62 acres
Group C/D3.56%
9,062.4 acres
Group A1.67%
4,260.67 acres
Group B/D1.03%
2,614.8 acres

Hydrologic soil groups are USDA/NRCS classifications related to runoff potential under specified soil conditions. They are not a property-level flood-risk rating.

Slope Characteristics

Weighted Average Slope: 9.22%
Nearly Level (0-2%)8.12%
20,653.61 acres
Gently Sloping (2-8%)59.22%
150,682.97 acres
Moderately Sloping (8-15%)6.19%
15,744.91 acres
Steep (15-30%)11.33%
28,822.75 acres
Very Steep (>30%)5.88%
14,966.89 acres
Unspecified Slope9.27%
23,593.43 acres

Sources & Methodology

USDA NRCS SSURGO

Mapped soil units, components, drainage classes, hydrologic groups, and slope ratings derived from official Soil Data Access REST services.

U.S. Census Bureau TIGER/Line

County land geometry used for county-level coverage calculation.

Coverage Method

Mapped acreage is calculated from true spatial vector intersection of county land geometry and SSURGO mapped soil polygons using NAD83 / CONUS Albers Equal Area projection (EPSG:5070).