LOCATION EULONIA SC+GA VA
Established Series
RDW-TRG-WMS, Rev. MHC, Rev. DTA
02/2026
EULONIA SERIES
MLRA(s): 133A, 153A,
Soil Survey Regional Office (SSRO) Responsible: Southeast
Depth Class: Very deep
Agricultural Drainage Class: Moderately well drained
Index Surface Runoff: Medium
Saturated Hydraulic Conductivity Class: Moderately high
Landscape: Coastal plain
Landform: Interfluves and side slopes
Parent Material: Marine and fluvial sediments
Slope: 0 to 6 percent
Elevation (type location): 6 meters (15 feet) above mean sea level
Mean Annual Air Temperature (type location): 18 degrees C (65 degrees F)
Mean Annual Precipitation (type location): 1143 millimeters (45 inches)
TAXONOMIC CLASS: Fine, mixed, subactive, thermic Aquic Hapludults
TYPICAL PEDON: Eulonia sandy loam--forested. (Colors are for moist soil.)
A--0 to 13 centimeters (0 to 5 inches); dark grayish brown (2.5Y 4/2) fine sandy loam; weak fine granular structure; very friable; common medium and coarse roots, many fine roots; few fine pores; strongly acid; clear smooth boundary. (10 to 20 centimeters (4 to 8 inches) thick)
E--13 to 33 centimeters (5 to 13 inches); light yellowish brown (10YR 6/4) fine sandy loam; weak medium granular structure; very friable; common medium and fine roots; few fine pores; strongly acid; clear wavy boundary. (0 to 33 centimeters (0 to 13 inches) thick)
Bt1--33 to 48 centimeters (13 to 19 inches); red (2.5YR 4/6) sandy clay; few fine distinct light yellowish brown (2.5Y 6/4) masses of iron accumulation; moderate medium subangular blocky structure; friable; common faint clay films on faces of peds; common fine roots; common fine and medium pores; few fine flakes of mica; strongly acid; clear wavy boundary.
Bt2--48 to 74 centimeters (19 to 29 inches); red (2.5YR 4/6) clay; common medium distinct light yellowish brown (2.5Y 6/4) masses of iron accumulation and light brownish gray (2.5Y 6/2) iron depletions; strong medium subangular blocky structure; firm; common faint clay films on faces of peds; few fine roots; common fine and medium pores; few fine flakes of mica; strongly acid; clear wavy boundary.
Btg--74 to 122 centimeters (29 to 48 inches); light gray (5Y 7/1) sandy clay loam; many medium prominent red (2.5YR 4/6) and common medium distinct strong brown (7.5YR 5/6) masses of iron accumulation; moderate medium subangular blocky structure; firm; common faint clay films on faces of some peds; few fine roots; few fine pores; common fine flakes of mica; strongly acid; clear wavy boundary. (Combined thickness of the Bt and Btg horizons is 46 to more than 114 centimeters (18 to more than 45 inches)
BCg--122 to 147 centimeters (48 to 58 inches); light gray (5Y 7/1) sandy clay loam; many medium prominent red (2.5YR 5/6) and few medium distinct yellowish brown (10YR 5/6) masses of iron accumulation; weak medium subangular blocky structure; friable; common fine flakes of mica; strongly acid; gradual wavy boundary. (18 to 63 centimeters (7 to 25 inches) thick)
C--147 to 213 centimeters (58 to 84 inches); yellowish red (5YR 5/6) sandy loam; many medium prominent light gray (5Y 7/1) iron depletions and yellowish brown (10YR 5/6) masses of iron accumulation; massive; very friable; many fine flakes of mica; strongly acid.
TYPE LOCATION: Jasper County, South Carolina; 3.25 miles southeast on SC Highway 46 from intersection of SC Highway 46 and US Highway 17 in Hardeeville, 100 feet southwest of South Carolina Highway 46. USGS Hardeeville, South Carolina topographic quadrangle.
Latitude--32.263
Longitude-- -81.048
Datum--WGS84
RANGE IN CHARACTERISTICS:
Depth to Bedrock: Greater than 60 inches
Depth to Seasonal High Water Table: 18 to 42 inches, December to May
Rock Fragment content: 0 to 5 percent, by volume
Soil Reaction: slightly acid to very strongly acid in the A horizon and upper part of the B horizon and moderately acid to very strongly acid in the lower part of the B and C horizons, except where limed
Thickness of solum: 40 to more than 80 inches
Other Features: few to many fine flakes of mica are in the B and C horizons of most pedons
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon:
Color--hue of 10YR or 2.5Y, or it is neutral, value of 3 to 6, chroma of 0 to 3
Texture (fine-earth fraction)--fine sandy loam, sandy loam, loamy fine sand, or loamy sand.
E horizon:
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 1 to 4
Texture (fine-earth fraction)-- fine sandy loam, sandy loam, loamy fine sand, or loamy sand.
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown in some pedons
Bt horizon:
Color--hue of 2.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 8. The lower part is mottled without dominant matrix hue in some pedons
Texture (fine-earth fraction)--clay, sandy clay, or clay loam
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Other features--35 to 45 percent clay and less than 30 percent silt
Btg horizon:
Color--hue of 2.5YR to 2.5Y, value of 4 to 7, chroma of 1 or 2 or mottled without dominant matrix hue
Texture (fine-earth fraction)--sandy clay, clay loam, or sandy clay loam
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Other features--35 to 45 percent clay and less than 30 percent silt
BCg horizon:
Color--hue of 2.5YR to 2.5Y, value of 4 to 7, chroma of 1 or 2 or mottled without dominant matrix hue
Texture (fine-earth fraction)--sandy clay, clay loam, or sandy clay loam.
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
C horizon:
Color--hue of 2.5YR to 2.5Y, value of 4 to 7, chroma of 1 to 8 or mottled without dominant matrix hue
Texture (fine-earth fraction)--variable, sandy to clayey.
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
COMPETING SERIES:
Craven soils--have more than 30 percent silt in the particle-size control section
Nevarc soils--have a perched water table and the weighted average of silt plus very fine sand is more than 30 percent
Dogue soils--have a thinner solum and stratified sandy 2C horizon
Gritney soils--have a perched water table
Nemours soils--have more than 45 percent clay in the argillic horizon
GEOGRAPHIC SETTING:
Landscape: Coastal plain
Landform: Interfluves and side slopes
Parent Material: Marine and fluvial sediments
Elevation: 6 to 30 meters (15 to 100 feet) above mean sea level
Mean Annual Air Temperature: 15 to 21 degrees C (59 to 70 degrees F)
Mean Annual Precipitation: 965 to 1321 millimeters (38 to 52 inches)
Frost Free Period: 190 to 245 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Argent soils--are poorly drained and are on lower areas
Bladen soils--are poorly drained and are on lower areas
Cape Fear soils--are very poorly drained
Caroline soils--are well drained
Lenoir soils--are somewhat poorly drained
Okeetee soils--are somewhat poorly drained
Pooler soils--are poorly drained and are on lower areas
Nemours soils--have more than 45 percent clay in the argillic horizon
Wahee soils--are somewhat poorly drained
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Agricultural Drainage Class: Moderately well drained
Index Surface Runoff: Medium
Saturated Hydraulic Conductivity: Moderately high
USE AND VEGETATION:
Major Uses: Woodland, some pasture and cropland
Dominant Vegetation: Where wooded--loblolly, longleaf, and slash pine, oaks, hickory, and sweetgum. Where cultivated--corn, soybeans, or small grain.
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Auburn, Alabama
DISTRIBUTION AND EXTENT:
Distribution: South Carolina, Georgia, and Virginia
Extent: Moderate
SERIES ESTABLISHED: McIntosh County, Georgia; 1929.
REMARKS:
The 02/2026 revision changed formatting. No data was changed.
Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon--the zone from 0 to 33 centimeters (0 to 13 inches) (A and E horizons)
Argillic horizon--the zone from 33 to 122 centimeters (13 to 48 inches) (Bt1, Bt2 and Btg horizons)
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
SC0006 EULONIA 0-6 59-70 190-245 38- 52 15- 100
SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness
SC0006 NONE 1.5-3.5 APPARENT DEC-MAY >60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC-
SC0006 0-13 LS LFS 0-0 95-100 5-15 3-8
SC0006 0-13 SL FSL 0-0 95-100 5-20 5-10
SC0006 13-48 SC C CL 0-0 95-100 35-45 6-15
SC0006 48-58 SCL SL 0-0 90-100 15-35 5-12
SC0006 58-80 VAR - - - -
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll
SC0006 0-13 4.5- 6.5 .5-2. 0-0 6.0- 20 LOW
SC0006 0-13 4.5- 6.5 .5-2. 0-0 2.0- 6.0 LOW
SC0006 13-48 4.5- 6.5 0.-.5 0-0 0.2- 0.6 LOW
SC0006 48-58 4.5- 6.0 0.-.5 0-0 0.6- 2.0 LOW
SC0006 58-80 - 0.-.5 - -
________________________________________
National Cooperative Soil Survey
U.S.A.