LOCATION BREWBACK SC
Established Series
MLB-HEH-DTA
09/2025
BREWBACK SERIES
MLRA(s): 136 (thermic part)
Soil Survey Regional Office (SSRO) Responsible: Southeast
Depth Class: Moderately deep
Agricultural Drainage Class: Somewhat poorly drained
Index Surface Runoff: Very high
Saturated Hydraulic Conductivity Class: Low
Shrink-Swell Potential: Very high
Landscape: Piedmont uplands
Landform: Interstream divides, ridges, and side slopes
Parent Material: Residuum weathered from basic rocks or mixed acid and basic rocks
Slope: 0 to 15 percent
Mean Annual Air Temperature (type location): 16 degrees C (60 degrees F)
Mean Annual Precipitation (type location): 1194 millimeters (47 inches)
TAXONOMIC CLASS: Fine, mixed, active, thermic Aquertic Hapludalfs
TYPICAL PEDON: Brewback fine sandy loam--forested (Colors are for moist soil)
A--0 to 10 centimeters (0 to 4 inches); brown (10YR 4/3) fine sandy loam; moderate fine granular structure; very friable, nonsticky, nonplastic; common coarse and many fine and medium roots; moderately acid; clear smooth boundary. (0 to 18 centimeters (0 to 7 inches) thick)
BE--10 to 15 centimeters (4 to 6 inches); light olive brown (2.5Y 5/3) sandy clay loam; moderate fine granular structure; very friable, nonsticky, nonplastic; many medium and fine roots; common medium faint light olive brown (2.5Y 5/3) iron depletions; slightly acid; abrupt smooth boundary. (0 to 25 centimeters (0 to 10 inches) thick)
Bt--15 to 23 centimeters (6 to 9 inches); light olive brown (2.5Y 5/4) clay; weak medium subangular blocky structure; very firm, very sticky, very plastic; few fine and medium roots; common distinct clay films on faces of peds; common nonintersecting slickensides; common medium faint pale yellow (2.5Y 7/3) iron depletions; 3 percent fine manganese concretions; neutral; clear smooth boundary. (0 to 25 centimeters (0 to 10 inches) thick).
Btss1--23 to 53 centimeters (9 to 21 inches); light olive brown (2.5Y 5/4) clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; few fine roots; common faint clay films on faces of peds; common nonintersecting slickensides; common medium prominent gray (2.5Y 6/1) iron depletions; 3 percent fine manganese concretions; neutral; gradual wavy boundary.
Btss2--53 to 71 centimeters (21 to 28 inches); olive brown (2.5Y 4/4) clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; few very fine roots; common faint clay films on faces of peds; common nonintersecting slickensides; 3 percent fine manganese concretions; neutral; gradual wavy boundary. (combined thickness of Btss horizons is 38 to 102 centimeters (15 to 40 inches)
BCt--71 to 76 centimeters (28 to 30 inches); olive brown (2.5Y 4/4) clay loam; weak, fine subangular blocky structure; firm, moderately sticky, moderately plastic; few faint clay films on faces of peds; 1 percent fine manganese concretions; neutral; gradual wavy boundary. (0 to 51 centimeters (0 to 20 inches) thick)
Cr--76 to 165 centimeters (30 to 65 inches); moderately weathered diabase. (5 to 76 centimeters (2 to 30 inches) thick)
TYPE LOCATION: York County, South Carolina; about 11.3 miles south southeast of York, South Carolina, from the intersection of Secondary Road 737 (Champion Road) and Secondary Road 560 (Williamston Road); about 1800 feet south southeast on Secondary Road 560; about 250 feet 270 degrees west; in field; Lowrys, South Carolina USGS topographic quadrangle.
Latitude--34.87
Longitude-- -81.143889
Datum--WGS84
RANGE IN CHARACTERISTICS:
Depth to Soft Bedrock: 51 to 102 centimeters (20 to 40 inches)
Depth to Hard Bedrock: Greater than 152 centimeters (60 inches)
Depth to Seasonal High Water Table: 15 to 46 centimeters (6 to 18 inches)
Rock Fragment Content: 0 to 10 percent, by volume, throughout
Soil Reaction: Strongly acid to neutral in the A, E, BA, BE, and Bt horizons and moderately acid to mildly alkaline in the BC, CB, and C horizons
RANGE OF INDIVIDUAL HORIZONS:
A horizon:
Color--hue of 10YR through 5Y, value of 4 to 6, chroma of 2 to 6
Texture--sandy loam, fine sandy loam, or loam
E horizon:
Color--hue of 10YR through 5Y, value of 4 to 7, chroma of 2 to 4
Texture--sandy loam, fine sandy loam, or loam
BA or BE horizons, where present:
Color--hue of 10YR through 5Y, value of 5 to 7, chroma of 2 to 6
Texture--sandy loam to clay
Btss horizon:
Color--hue of 7.5YR through 5Y, value of 4 to 6, chroma of 4 to 8. Redoximorphic features--iron depletions with chroma of 3 or less are in the upper 10 inches of the argillic, iron-manganese accumulations in shades of black or gray. Some subhorizons are mottled without dominant matrix color.
Texture--clay, clay loam, and sandy clay
BCt horizon:
Color--hue of 7.5YR through 2.5Y, value of 5 or 6, chroma of 2 to 8 or are mottled without dominant matrix hue.
Texture--clay loam or clay
C horizon, where present:
Color--commonly is multicolored in shades of brown, gray, or yellow
Texture--loam, sandy loam, or sandy clay loam saprolite.
Cr horizon:
Partially weathered, fractured basic igneous and metamorphic rock.
COMPETING SERIES:
There are no other series in this family. Soils in similar families include the
Crawfordville,
Frogsboro, and
Virgilina series.
Crawfordville soils--do not have a very high shrink-swell potential and have an abrupt texture change
Frogsboro soil--have smectitic mineralogy and a depth to bedrock of greater than 152 centimeters (60 inches)
Virgilina soils--have smectitic mineralogy and a depth to lithic contact of 51 to 102 centimeters (20 to 40 inches)
GEOGRAPHIC SETTING:
Landscape: Piedmont upland
Landform: Interstream divides, ridges, and side slopes
Parent Material: Residuum weathered from diabase and similar rock
Mean Annual Air Temperature: 15 to 19 degrees C (59 to 66 degrees F)
Mean Annual Precipitation: 1016 to 1651 millimeters (40 to 65 inches)
Frost-free Period: 195 to 210 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Enon soils--are very deep and well drained
Iredell soils--are very deep and moderately well drained
Pittsboro soils--are moderately well drained
Winnsboro soils--are deep and well drained
Wynott soils--are moderately well drained
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Agricultural Drainage Class: Somewhat poorly drained
Index Surface Runoff: High to very high
Saturated Hydraulic Conductivity Class: Low
USE AND VEGETATION:
Major Uses: Woodland and a few areas of cropland, pasture, or idle land
Dominant Vegetation: Where wooded--oak, red maple, and red cedar. Where cultivated--corn or small grain.
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Auburn, Alabama
DISTRIBUTION AND EXTENT:
Distribution: South Carolina
Extent: Moderate
SERIES ESTABLISHED: York County, South Carolina, 2009.
REMARKS: This soil was formerly included with the Iredell and Pittsboro soils. Iredell soils are well drained and Pittsboro soils are moderately well drained.
The May 2025 revision reformatted the description to semi-tabular. No data was changed.
Diagnostic horizons and soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 15 centimeters (0 to 6 inches) (Ap and E horizons).
Argillic horizon--the zone from 15 to 76 centimeters (6 to 30 inches) (Bt, Btss, and BCt horizons).
Aquertic feature--iron depletions in upper 25 centimeters (10 inches) of Bt horizon and a linear extensibility of 6.0 or more between the surface and the paralithic contact.
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
BREWBACK 0-15 60-62 195-210 40-45 250-500
SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness
NONE 0.5-2.5 PERCHED DEC-MAY 20-40 SOFT
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC-
0-6 FSL SL 0-0 75-100 10-20 -
6- 9 CL C 0-0 75-100 18-40 -
9-28 C SC 0-0 75-100 35-60 -
28-30 CL SCL 0-0 75-100 10-35 -
30 WB - - - -
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll
0-6 5.1- 6.5 1.-3. 0-0 0.6- 2.0 LOW
6- 9 5.1- 7.3 0.-.5 0-0 0.2- 0.6 HIGH
9-28 5.6- 7.8 0.-.5 0-0 0.06-0.2 VERY HIGH
28-30 5.6- 7.8 0.-.5 0-0 0.2-0.6 MODERATE
30 - - - 0.00-0.01
________________________________________
National Cooperative Soil Survey
U.S.A.