Barnwell County, South Carolina, Eastern Part
The dominant drainage class is Well drained and the dominant hydrologic group is A (high infiltration, low runoff). This report summarizes the major soil map units across the survey area to help you understand what to expect when buying, building, or gardening in Barnwell County, South Carolina, Eastern Part.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Blanton sand, 0 to 6 percent slopes | 48K | Moderately well drained | A | Somewhat limited | Somewhat limited |
| Wagram sand, 2 to 6 percent slopes | 33K | Well drained | A | Not limited | Not limited |
| Wagram sand, 0 to 2 percent slopes | 24K | Well drained | A | Not limited | Not limited |
| Johnston soils, frequently flooded | 19K | Very poorly drained | A/D | Very limited | Very limited |
| Rembert loam | 18K | Poorly drained | C/D | Very limited | Very limited |
| Barnwell loamy sand, 2 to 6 percent slopes | 16K | Well drained | B | Somewhat limited | Very limited |
| Barnwell loamy sand, 2 to 6 percent slopes | 13K | Well drained | B | Somewhat limited | Very limited |
| Orangeburg loamy sand, 0 to 2 percent slopes | 8K | Well drained | B | Not limited | Somewhat limited |
| Neeses loamy sand, 6 to 10 percent slopes | 8K | Well drained | C | Not limited | Very limited |
| Norfolk loamy sand, 0 to 2 percent slopes | 7K | Well drained | B | Somewhat limited | Somewhat limited |
| Blanton sand, 6 to 10 percent slopes | 4K | Somewhat excessively drained | A | Somewhat limited | Somewhat limited |
| Plummer loamy sand | 4K | Poorly drained | A/D | Very limited | Very limited |
| Barnwell loamy sand, 2 to 6 percent slopes | 3K | Well drained | B | Somewhat limited | Very limited |
| Lakeland sand, 0 to 6 percent slopes | 3K | Excessively drained | A | Not limited | Very limited |
| Ailey sand, 6 to 10 percent slopes | 3K | Well drained | C | Somewhat limited | Very limited |
| Barnwell loamy sand, 6 to 10 percent slopes | 3K | Well drained | B | Somewhat limited | Very limited |
| Lumbee loamy sand | 2K | Poorly drained | B/D | Very limited | Very limited |
| Nankin loamy sand, 6 to 10 percent slopes | 2K | Well drained | C | Somewhat limited | Very limited |
| Ailey sand, 6 to 10 percent slopes | 2K | Well drained | C | Somewhat limited | Very limited |
| Barnwell loamy sand, 6 to 10 percent slopes | 2K | Well drained | B | Somewhat limited | Very limited |
What This Means
Building & Foundations
Most soils are generally favorable for residential construction. Standard foundations are usually viable, though site-specific evaluation is always recommended.
Septic Systems
About 44% of soils have significant septic limitations, while others are more suitable. A perc test is essential — conditions vary across the area.
Gardening & Agriculture
Drainage is generally favorable for gardening. Adding compost and mulch will improve fertility and water retention. Test your soil's pH before planting — most vegetables prefer 6.0-7.0.