LOCATION AUGUSTA GA+AL NC VA
Established Series
LWF, Rev. DTA/ Rev. DTA
12/2025
AUGUSTA SERIES
MLRA(s): 136 (thermic part), 137, 133A, 153A, 153B
Soil Survey Regional Office (SSRO) Responsible: Southeast
Depth Class: Very deep
Agricultural Drainage Class: Somewhat poorly drained
Index Surface Runoff: Low
Saturated Hydraulic Conductivity Class: Moderately high
Shrink-Swell Potential: Low
Landscape: Piedmont and Coastal Plain stream terraces, and marine terraces in the Lower Coastal Plain
Landform: Ridges and side slopes
Parent Material: Loamy alluvial sediments
Slope: 0 to 2 percent
Mean Annual Air Temperature: 16 degrees C (61 degrees F)
Mean Annual Precipitation: 1295 millimeters (51 inches)
TAXONOMIC CLASS: Fine-loamy, mixed, semiactive, thermic Aeric Endoaquults
TYPICAL PEDON: Augusta loam--cultivated. (Colors are for moist soil.)
Ap--0 to 23 centimeters (0 to 9 inches); brown (10YR 4/3) loam; weak fine granular structure; very friable; many fine roots; few fine pebbles; common fine flakes of mica; strongly acid; abrupt wavy boundary. (13 to 25 centimeters (5 to 10 inches) thick)
Bt--23 to 48 centimeters (9 to 19 inches); pale brown (10YR 6/3) sandy clay loam; weak medium subangular blocky structure; friable; slightly sticky, slightly plastic; many medium distinct yellowish brown (10YR 5/6) friable iron masses and common medium faint light brownish gray (10YR 6/2) friable iron depletions; few distinct clay film on faces of peds; few fine roots; few fine pebbles; few fine flakes of mica; strongly acid; gradual smooth boundary. (15 to 30 centimeters (6 to 12 inches) thick)
Btg1--48 to 61 centimeters (19 to 24 inches); light brownish gray (10YR 6/2) clay loam; moderate medium subangular blocky structure; friable; moderately sticky, moderately plastic; many medium prominent yellowish brown (10YR 5/6) friable iron masses; common distinct clay film on faces of peds; few fine pebbles; common fine flakes of mica; strongly acid; gradual wavy boundary.
Btg2--61 to 132 centimeters (24 to 52 inches); light brownish gray (10YR 6/2) clay loam: moderate medium subangular blocky structure; firm; moderately sticky, moderately plastic; many medium prominent yellowish brown (10YR 5/6) friable iron masses; common prominent clay film on faces of peds; common fine flakes of mica; strongly acid; gradual wavy boundary.
Btg3--132 to 152 centimeters (52 to 60 inches); gray (5Y 6/1) sandy clay loam; weak coarse subangular blocky structure; friable; slightly sticky, slightly plastic; common medium prominent yellowish brown (10YR 5/6) friable iron masses; common fine flakes of mica; strongly acid; gradual irregular boundary. (Combined thickness of the Btg horizon is 30 to 114 centimeters (12 to 45 inches)
Cg--152 to 178 centimeters (60 to 70 inches); gray (5Y 6/1) coarse sandy loam; massive; friable; many medium prominent dark yellowish brown (10YR 4/4) friable iron masses; about 5 percent by volume of fine pebbles; few fine flakes of mica; strongly acid.
TYPE LOCATION: Haralson County, Georgia; 1.8 miles east of Tallapoosa on State Highway 120; 2.2 miles north on Ernest Bagwell Road to bridge over Beech Creek; 0.2 mile east of bridge along Harris Creek; 370 feet south into pasture. USGS Tallapoosa North, GA.-ALA. topographic quadrangle.
Latitude--33.7856
Longitude-- -85.2578
Datum--WGS84
RANGE IN CHARACTERISTICS:
Solum Thickness: 102 to 203 centimeters (40 to 80 inches)
Depth to Bedrock: Greater than 152 centimeters (60 inches)
Depth to Seasonal High Water Table: 30 to 61 centimeters (12 to 24 inches), December to May
Rock Fragment Content: 0 to 10 percent in the A and B horizons and 0 to 20 percent in the C horizon
Soil Reaction: Very strongly acid to moderately acid, except where limed
RANGE OF INDIVIDUAL HORIZONS:
A horizon:
Color--hue of 10YR or 2.5Y, value of 3 to 6, chroma of 2 to 6
Texture--loam, sandy loam, silt loam, or fine sandy loam
E horizon(if it occurs):
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 2 to 4
Texture--loam, sandy loam, silt loam, or fine sandy loam
BE horizon (if it occurs):
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 3 to 8
Texture--silt loam, loam, fine sandy loam or sandy loam
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
Bt horizon:
Color--hue of 10YR or 2.5Y, value of 4 to 7, chroma of 3 to 6
Texture--clay loam, sandy clay loam, or loam
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
Btg horizon:
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 1 or 2; or they are neutral with value of 5 to 7
Texture--clay loam, sandy clay loam, or loam
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
BCg horizon (if it occurs)
Color-- hue of 10YR to 5Y, value of 5 to 7, chroma of 1 or 2; or it is neutral with value of 5 to 7
Texture--clay loam, sandy clay loam, loam, sandy loam, or clay
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
Cg horizon:
Color--hue of 10YR to 5Y, value of 5 to 8, and chroma of 1 or 2; or it is neutral with value of 5 to 7
Texture--commonly stratified and some pedons have pockets or layers of sandy clay loam
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
COMPETING SERIES:
Summerfield soils--these soils are bisequal
GEOGRAPHIC SETTING:
Landscape: Piedmont and Coastal Plain stream terraces, and marine terraces in the Lower Coastal Plain
Landform: Flats
Elevation: 8 to 213 meters (25 to 700 feet) above mean sea level
Parent Material: Loamy alluvial sediments
Mean Annual Air Temperature: 16 to 20 degrees C (60 to 68 degrees F)
Mean Annual Precipitation: 1143 to 1397 millimeters (45 to 55 inches)
Frost Free Period: 200 to 225 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Altavista soils--are moderately well drained (seasonal high water table 46 to 76 centimeters (18 to 30 inches) on similar landscapes
Chewacla soils--are somewhat poorly drained (seasonal high water table 15 to 61 centimeters (6 to 24 inches) on floodplains
Congaree soils--are well to moderately well drained (seasonal high water table 76 to 122 centimeters (30 to 48 inches) on slightly higher landscapes
Molena soils--are somewhat excessively drained and have a sandy subsoil on higher landscapes
Roanoke soils--are poorly drained (seasonal high water table 0 to 30 (0 to 12 inches) with a clayey subsoil on flats and in slight depressions
State soils--are well drained (seasonal high water table 122 to 183 centimeters (48 to 72 inches) on higher landscapes
Thomson soils--are well drained with less clay on higher landscapes
Warne soils--are somewhat poorly drained (seasonal high water table 30 to 46 centimeters (12 to 18 inches) with a clayey subsoil on similar landscapes
Wehadkee soils--are poorly drained (seasonal high water table 0 to 30 centimeters (0 to 12 inches) on adjacent floodplains
Wickham soils--are well drained (seasonal high water table is below 183 centimeters (72 inches) on higher landscapes
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Agricultural Drainage Class: Somewhat poorly drained
Index Surface Runoff: Low
Saturated Hydraulic Conductivity: Moderately high
USE AND VEGETATION:
Major Uses: Cropland and woodland
Dominant Vegetation: Where cultivated--corn, oats, soybeans, small grain, and pasture. Where wooded--white oak, red oak, post oak, loblolly pine, shortleaf pine, hickory, red maple, sweetgum, and elm; understory plants include American holly, flowering dogwood, sassafras, greenbrier, giant cane and inkberry (bitter gallberry)
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Auburn, Alabama
DISTRIBUTION AND EXTENT:
Distribution: Georgia, Alabama, North Carolina, Virginia and possibly South Carolina
Extent: Moderate
SERIES ESTABLISHED: Richmond County, Georgia; 1916.
REMARKS: The December 2025 revision changed the format. No data was changed.
Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon--the zone from 0 to 23 centimeters (0 to 9 inches). (Ap horizon)
Argillic horizon--the zone from 23 to 152 centimeters (9 to 60 inches). (Bt, Btg1, Btg2 and Btg3 horizons)
ADDITIONAL DATA: None
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
GA0056 AUGUSTA 0-2 60-68 200-225 45-55 25-700
SOI-5 FloodL FloodH Watertable Kind Months Bedrock
GA0056 NONE COMMON 1.0-2.0 APPARENT DEC-MAY >60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC-
GA0056 0-9 LS LFS 0-0 90-100 3-10 6-10
GA0056 0-9 SL FSL 0-0 90-100 5-20 8-16
GA0056 0-9 SIL L 0-0 90-100 10-25 10-18
GA0056 9-60 SCL CL L 0-0 80-100 20-35 8-14
GA0056 60-70 VAR - - - 2-6
SOI-5 Depth -pH- O.M. Salinity Permeability Shrink-Swell
GA0056 0-9 4.5-6.0 .5-2. 0-0 6.0-20 LOW
GA0056 0-9 4.5-6.0 .5-2. 0-0 2.0-6.0 LOW
GA0056 0-9 4.5-6.0 .5-2. 0-0 0.6-2.0 LOW
GA0056 9-60 4.5-6.0 - 0-0 0.6-2.0 LOW
GA0056 60-70 - - - -
________________________________________
National Cooperative Soil Survey
U.S.A.