USDA SSURGO COUNTY SOIL REFERENCE

Benton County, Arkansas Soil Summary

This page summarizes USDA SSURGO mapped soil information for Benton County, Arkansas.

Mapped Land Coverage

100%565,992.34 mapped acres of 565,992.41 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

Clarksville extremely gravelly silt loam, 12 to 50 percent slopes

Symbol: CvF • 23.94% of mapped area

Largest estimated component

Clarksville

138,411.08 acres (24.45% of mapped area)

Mapped units & components

109 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

13.11%

Terrain slope analysis

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Top Mapped Soil Units

Showing the 15 largest mapped units, representing 90.79% of mapped soil area.

Symbol	Map Unit Name	Mapped Acres	% of Mapped Area
CvF	Clarksville extremely gravelly silt loam, 12 to 50 percent slopes	135,493.89	23.94%
NfC	Nixa very gravelly silt loam, 3 to 8 percent slopes	87,089.67	15.39%
CnB	Captina silt loam, 1 to 3 percent slopes	54,362.15	9.6%
TsC	Tonti gravelly silt loam, 3 to 8 percent slopes	44,540.19	7.87%
NfD	Nixa very gravelly silt loam, 8 to 12 percent slopes	40,100.14	7.08%
NoF	Noark very gravelly silt loam, 20 to 40 percent slopes	31,829.64	5.62%
W	Water	24,699.84	4.36%
Se	Secesh gravelly silt loam, 0 to 3 percent slopes, occasionally flooded	21,534.28	3.8%
Eg	Elsah soils, 0 to 3 percent slopes, occasionally and frequently flooded	17,908.27	3.16%
PeC	Peridge silt loam, 3 to 8 percent slopes	12,275.77	2.17%
PeB	Peridge silt loam, 1 to 3 percent slopes	10,860.16	1.92%
JaB	Jay silt loam, 1 to 3 percent slopes	10,818.98	1.91%
ToA	Taloka silt loam, 0 to 1 percent slopes	8,774.36	1.55%
BtC	Britwater gravelly silt loam, 3 to 8 percent slopes	7,320.19	1.29%
NoE	Noark very gravelly silt loam, 12 to 20 percent slopes	6,377.12	1.13%

CvF23.94% of mapped area

Clarksville extremely gravelly silt loam, 12 to 50 percent slopes

Mapped Area135,493.89 acres

Rank#1 of 109 in county

NfC15.39% of mapped area

Nixa very gravelly silt loam, 3 to 8 percent slopes

Mapped Area87,089.67 acres

Rank#2 of 109 in county

CnB9.6% of mapped area

Captina silt loam, 1 to 3 percent slopes

Mapped Area54,362.15 acres

Rank#3 of 109 in county

TsC7.87% of mapped area

Tonti gravelly silt loam, 3 to 8 percent slopes

Mapped Area44,540.19 acres

Rank#4 of 109 in county

NfD7.08% of mapped area

Nixa very gravelly silt loam, 8 to 12 percent slopes

Mapped Area40,100.14 acres

Rank#5 of 109 in county

NoF5.62% of mapped area

Noark very gravelly silt loam, 20 to 40 percent slopes

Mapped Area31,829.64 acres

Rank#6 of 109 in county

W4.36% of mapped area

Water

Mapped Area24,699.84 acres

Rank#7 of 109 in county

Se3.8% of mapped area

Secesh gravelly silt loam, 0 to 3 percent slopes, occasionally flooded

Mapped Area21,534.28 acres

Rank#8 of 109 in county

Eg3.16% of mapped area

Elsah soils, 0 to 3 percent slopes, occasionally and frequently flooded

Mapped Area17,908.27 acres

Rank#9 of 109 in county

PeC2.17% of mapped area

Peridge silt loam, 3 to 8 percent slopes

Mapped Area12,275.77 acres

Rank#10 of 109 in county

PeB1.92% of mapped area

Peridge silt loam, 1 to 3 percent slopes

Mapped Area10,860.16 acres

Rank#11 of 109 in county

JaB1.91% of mapped area

Jay silt loam, 1 to 3 percent slopes

Mapped Area10,818.98 acres

Rank#12 of 109 in county

ToA1.55% of mapped area

Taloka silt loam, 0 to 1 percent slopes

Mapped Area8,774.36 acres

Rank#13 of 109 in county

BtC1.29% of mapped area

Britwater gravelly silt loam, 3 to 8 percent slopes

Mapped Area7,320.19 acres

Rank#14 of 109 in county

NoE1.13% of mapped area

Noark very gravelly silt loam, 12 to 20 percent slopes

Mapped Area6,377.12 acres

Rank#15 of 109 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
Clarksville	Somewhat excessively drained, Excessively drained	B, A	138,411.08	24.45%
Nixa	Moderately well drained	D, C/D	115,201.62	20.35%
Captina	Moderately well drained	D, C, C/D	55,278.71	9.77%
Noark	Well drained	C, B	39,963.09	7.06%
Tonti	Moderately well drained	D, C	38,350.68	6.78%
Water	Subaqueous	D	24,707.09	4.37%
Peridge	Well drained	B	21,451.46	3.79%
Secesh	Well drained	C, B	20,214.23	3.57%
Elsah	Somewhat excessively drained, Well drained, Excessively drained	B, A	17,161.59	3.03%
Bendavis	Moderately well drained	C, C/D, B/D	14,031.28	2.48%
Jay	Moderately well drained	C	9,824.86	1.74%
Britwater	Well drained	C, B	8,370.08	1.48%
Taloka	Somewhat poorly drained	D	8,350.86	1.48%
Healing	Well drained	C, B	7,227	1.28%
Ventris	Moderately well drained	D	6,028.44	1.07%

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

Clarksville

24.45%

Estimated Acres138,411.08

Drainage ClassSomewhat excessively drained, Excessively drained

Hydrologic GroupB, A

Nixa

20.35%

Estimated Acres115,201.62

Drainage ClassModerately well drained

Hydrologic GroupD, C/D

Captina

9.77%

Estimated Acres55,278.71

Drainage ClassModerately well drained

Hydrologic GroupD, C, C/D

Noark

7.06%

Estimated Acres39,963.09

Drainage ClassWell drained

Hydrologic GroupC, B

Tonti

6.78%

Estimated Acres38,350.68

Drainage ClassModerately well drained

Hydrologic GroupD, C

Water

4.37%

Estimated Acres24,707.09

Drainage ClassSubaqueous

Hydrologic GroupD

Peridge

3.79%

Estimated Acres21,451.46

Drainage ClassWell drained

Hydrologic GroupB

Secesh

3.57%

Estimated Acres20,214.23

Drainage ClassWell drained

Hydrologic GroupC, B

Elsah

3.03%

Estimated Acres17,161.59

Drainage ClassSomewhat excessively drained, Well drained, Excessively drained

Hydrologic GroupB, A

Bendavis

2.48%

Estimated Acres14,031.28

Drainage ClassModerately well drained

Hydrologic GroupC, C/D, B/D

Jay

1.74%

Estimated Acres9,824.86

Drainage ClassModerately well drained

Hydrologic GroupC

Britwater

1.48%

Estimated Acres8,370.08

Drainage ClassWell drained

Hydrologic GroupC, B

Taloka

1.48%

Estimated Acres8,350.86

Drainage ClassSomewhat poorly drained

Hydrologic GroupD

Healing

1.28%

Estimated Acres7,227

Drainage ClassWell drained

Hydrologic GroupC, B

Ventris

1.07%

Estimated Acres6,028.44

Drainage ClassModerately well drained

Hydrologic GroupD

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

Drainage Class Distribution

Moderately well drained43.05%

243,685.7 acres

Excessively drained23.94%

135,498.12 acres

Well drained20.74%

117,408.35 acres

Subaqueous4.37%

24,707.05 acres

Somewhat excessively drained3.55%

20,080.9 acres

Somewhat poorly drained3.44%

19,444.5 acres

Poorly drained0.51%

2,882.78 acres

Unknown / Unmapped0.4%

2,284.92 acres

Hydrologic Soil Group Distribution

Group D26.39%

149,367.85 acres

Group A24.26%

137,293.31 acres

Group C22.19%

125,581.66 acres

Group B11.96%

67,696.65 acres

Group C/D10.22%

57,828.07 acres

Group Unknown / Unmapped4.99%

28,224.36 acres

Group B/D0%

0.4 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: 13.11%

Nearly Level (0-2%)25.8%

146,032.88 acres

Gently Sloping (2-8%)28.69%

162,373.5 acres

Moderately Sloping (8-15%)8.45%

47,844.45 acres

Steep (15-30%)8.47%

47,962.1 acres

Very Steep (>30%)24.07%

136,238.94 acres

Unspecified Slope4.51%

25,540.43 acres