USDA SSURGO COUNTY SOIL REFERENCE

Johnson County, Kansas Soil Summary

This page summarizes USDA SSURGO mapped soil information for Johnson County, Kansas.

Mapped Land Coverage

100%307,151.68 mapped acres of 307,151.68 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

Chillicothe silt loam, 2 to 5 percent slopes

Symbol: 7525 • 17.6% of mapped area

Largest estimated component

Chillicothe

45,963.57 acres (14.96% of mapped area)

Mapped units & components

119 mapped soil units

Top 15 shown below · 83 component series

Dominant drainage class

Moderately well drained

Highest acreage drainage class

Dominant hydrologic group

Group D

Runoff potential classification

Weighted average slope

5.11%

Terrain slope analysis

Looking at a specific U.S. address?

Check soil and other available public land data for a U.S. address

County summaries provide regional context across mapped soil units. Address lookup combines available public datasets for the Census-matched location.

Search an address →

Top Mapped Soil Units

Showing the 15 largest mapped units, representing 84.54% of mapped soil area.

Symbol	Map Unit Name	Mapped Acres	% of Mapped Area
7525	Chillicothe silt loam, 2 to 5 percent slopes	54,073.71	17.6%
8962	Woodson silt loam, 1 to 3 percent slopes	45,675.96	14.87%
7462	Oska-Martin silty clay loams, 4 to 8 percent slopes	45,660.25	14.87%
7545	Sharpsburg-Urban land complex, 4 to 8 percent slopes	22,138.03	7.21%
7251	Grundy silt loam, 1 to 3 percent slopes	15,944.78	5.19%
4752	Sogn-Vinland complex, 3 to 25 percent slopes	13,795.76	4.49%
7302	Martin silty clay loam, 3 to 7 percent slopes	9,973.44	3.25%
7050	Kennebec silt loam, occasionally flooded	9,907.74	3.23%
7658	Vinland-Rock outcrop complex, 15 to 45 percent slopes	9,063.69	2.95%
7051	Kennebec silt loam, frequently flooded	6,532.54	2.13%
7285	Ladoga silt loam, 3 to 8 percent slopes	6,216.45	2.02%
8912	Summit silty clay loam, 3 to 7 percent slopes	5,297.31	1.72%
8631	Bucyrus silty clay loam, 1 to 3 percent slopes	5,251.18	1.71%
7501	Pawnee clay loam, 4 to 8 percent slopes, eroded	5,104.15	1.66%
7535	Sharpsburg silt loam, 4 to 8 percent slopes	5,044.84	1.64%

752517.6% of mapped area

Chillicothe silt loam, 2 to 5 percent slopes

Mapped Area54,073.71 acres

Rank#1 of 119 in county

896214.87% of mapped area

Woodson silt loam, 1 to 3 percent slopes

Mapped Area45,675.96 acres

Rank#2 of 119 in county

746214.87% of mapped area

Oska-Martin silty clay loams, 4 to 8 percent slopes

Mapped Area45,660.25 acres

Rank#3 of 119 in county

75457.21% of mapped area

Sharpsburg-Urban land complex, 4 to 8 percent slopes

Mapped Area22,138.03 acres

Rank#4 of 119 in county

72515.19% of mapped area

Grundy silt loam, 1 to 3 percent slopes

Mapped Area15,944.78 acres

Rank#5 of 119 in county

47524.49% of mapped area

Sogn-Vinland complex, 3 to 25 percent slopes

Mapped Area13,795.76 acres

Rank#6 of 119 in county

73023.25% of mapped area

Martin silty clay loam, 3 to 7 percent slopes

Mapped Area9,973.44 acres

Rank#7 of 119 in county

70503.23% of mapped area

Kennebec silt loam, occasionally flooded

Mapped Area9,907.74 acres

Rank#8 of 119 in county

76582.95% of mapped area

Vinland-Rock outcrop complex, 15 to 45 percent slopes

Mapped Area9,063.69 acres

Rank#9 of 119 in county

70512.13% of mapped area

Kennebec silt loam, frequently flooded

Mapped Area6,532.54 acres

Rank#10 of 119 in county

72852.02% of mapped area

Ladoga silt loam, 3 to 8 percent slopes

Mapped Area6,216.45 acres

Rank#11 of 119 in county

89121.72% of mapped area

Summit silty clay loam, 3 to 7 percent slopes

Mapped Area5,297.31 acres

Rank#12 of 119 in county

86311.71% of mapped area

Bucyrus silty clay loam, 1 to 3 percent slopes

Mapped Area5,251.18 acres

Rank#13 of 119 in county

75011.66% of mapped area

Pawnee clay loam, 4 to 8 percent slopes, eroded

Mapped Area5,104.15 acres

Rank#14 of 119 in county

75351.64% of mapped area

Sharpsburg silt loam, 4 to 8 percent slopes

Mapped Area5,044.84 acres

Rank#15 of 119 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.

Component	Drainage Class	Hydrologic Group	Estimated Acres	% of Mapped Area
Chillicothe	Moderately well drained	D	45,963.57	14.96%
Woodson	Somewhat poorly drained	D	41,573.39	13.54%
Oska	Well drained	D	30,821.83	10.03%
Martin	Moderately well drained	D, C, C/D	25,002.2	8.14%
Sharpsburg	Moderately well drained	C	18,749.41	6.1%
Grundy	Somewhat poorly drained	C/D	14,510.75	4.72%
Kennebec	Moderately well drained	C, B	14,258.61	4.64%
Vinland	Somewhat excessively drained	D	14,092.74	4.59%
Sogn	Somewhat excessively drained	D	10,184.94	3.32%
Urban land	Unspecified	Unspecified	9,968.95	3.25%
Summit	Somewhat poorly drained, Moderately well drained	D, C, C/D	7,920.26	2.58%
Sibleyville	Well drained	C	7,319.35	2.38%
Ladoga	Moderately well drained	C	6,705.39	2.18%
Pawnee	Moderately well drained	D	5,352.4	1.74%
Bucyrus	Moderately well drained	C	5,025.47	1.64%

Component acreage is estimated from SSURGO map-unit component percentages. Component values are not independently mapped polygon boundaries.

Chillicothe

14.96%

Estimated Acres45,963.57

Drainage ClassModerately well drained

Hydrologic GroupD

Woodson

13.54%

Estimated Acres41,573.39

Drainage ClassSomewhat poorly drained

Hydrologic GroupD

Oska

10.03%

Estimated Acres30,821.83

Drainage ClassWell drained

Hydrologic GroupD

Martin

8.14%

Estimated Acres25,002.2

Drainage ClassModerately well drained

Hydrologic GroupD, C, C/D

Sharpsburg

6.1%

Estimated Acres18,749.41

Drainage ClassModerately well drained

Hydrologic GroupC

Grundy

4.72%

Estimated Acres14,510.75

Drainage ClassSomewhat poorly drained

Hydrologic GroupC/D

Kennebec

4.64%

Estimated Acres14,258.61

Drainage ClassModerately well drained

Hydrologic GroupC, B

Vinland

4.59%

Estimated Acres14,092.74

Drainage ClassSomewhat excessively drained

Hydrologic GroupD

Sogn

3.32%

Estimated Acres10,184.94

Drainage ClassSomewhat excessively drained

Hydrologic GroupD

Urban land

3.25%

Estimated Acres9,968.95

Drainage ClassUnspecified

Hydrologic GroupUnspecified

Summit

2.58%

Estimated Acres7,920.26

Drainage ClassSomewhat poorly drained, Moderately well drained

Hydrologic GroupD, C, C/D

Sibleyville

2.38%

Estimated Acres7,319.35

Drainage ClassWell drained

Hydrologic GroupC

Ladoga

2.18%

Estimated Acres6,705.39

Drainage ClassModerately well drained

Hydrologic GroupC

Pawnee

1.74%

Estimated Acres5,352.4

Drainage ClassModerately well drained

Hydrologic GroupD

Bucyrus

1.64%

Estimated Acres5,025.47

Drainage ClassModerately well drained

Hydrologic GroupC

Component acreage is estimated from SSURGO map-unit component percentages. Component values are not independently mapped polygon boundaries.

Drainage Class Distribution

Moderately well drained45.92%

141,034.17 acres

Somewhat poorly drained20.17%

61,966.65 acres

Well drained17.65%

54,214.97 acres

Somewhat excessively drained9.06%

27,829.41 acres

Unknown / Unmapped6.27%

19,249.31 acres

Poorly drained0.86%

2,646.78 acres

Excessively drained0.07%

210.43 acres

Hydrologic Soil Group Distribution

Group D56.25%

172,767.61 acres

Group C20.77%

63,786.15 acres

Group C/D12.49%

38,370.13 acres

Group Unknown / Unmapped6.27%

19,249.31 acres

Group B4.05%

12,428.19 acres

Group A0.09%

282.58 acres

Group B/D0.09%

263.48 acres

Group A/D0%

4.28 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: 5.11%

Nearly Level (0-2%)33%

101,375.27 acres

Gently Sloping (2-8%)52.85%

162,344.4 acres

Moderately Sloping (8-15%)4.98%

15,289.15 acres

Steep (15-30%)3.67%

11,271.06 acres

Very Steep (>30%)0%

0 acres

Unspecified Slope5.49%

16,871.84 acres