Alexander County, North Carolina
The most common soil here is Fairview, on about 38% of the land: a sandy clay loam, gritty but holds together. Cowee and Clifford come next.
About 95% of the land drains well, and 4% stays wet for long stretches; groundwater comes within two feet of the surface under 4% of it.
USDA rates 82% of the land very limited for a standard septic drain field, and 49% very limited for homes with basements. That means extra cost or special design, not that it can't be done.
Worth knowing: 5% of the land floods occasionally or more, and bedrock lies within 40 inches under 28% of it.
Soils change over short distances, so look up an address below for the soil at that exact spot and the reasons behind each rating.
The soils you're most likely standing on
The biggest named soils in Alexander County, North Carolina, each drawn five feet deep from its official USDA description, in its recorded colors.
Dots mark gravel; white flecks mark lime. Shares are by acres across the survey area, and each mapped patch usually mixes several of these soils.
The biggest mapped areas
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). The most common soil order is Ultisols — strongly weathered soils with clay-enriched subsoils, common in warm humid climates. 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 Alexander County, North Carolina. Search your address to find the exact soil composition, drainage, and series details at your specific location.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Fairview sandy clay loam, 8 to 15 percent slopes, moderately eroded | 44K | Well drained | C | Somewhat limited | Very limited |
| Fairview sandy loam, 15 to 25 percent slopes | 21K | Well drained | B | Very limited | Very limited |
| Evard-Cowee complex, 25 to 60 percent slopes, stony | 15K | Well drained | B | Very limited | Very limited |
| Clifford sandy clay loam, 2 to 8 percent slopes, moderately eroded | 15K | Well drained | B | Not limited | Somewhat limited |
| Cowee-Saluda complex, 25 to 60 percent slopes, stony | 11K | Well drained | C | Very limited | Very limited |
| Fairview sandy clay loam, 2 to 8 percent slopes, moderately eroded | 9K | Well drained | B | Not limited | Somewhat limited |
| Codorus loam, 0 to 2 percent slopes, frequently flooded | 6K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Hibriten very cobbly sandy loam, 15 to 60 percent slopes | 6K | Well drained | C | Very limited | Very limited |
| Rhodhiss sandy loam, 25 to 45 percent slopes | 5K | Well drained | B | Very limited | Very limited |
| Woolwine gravelly sandy loam, 8 to 15 percent slopes | 4K | Well drained | C | Somewhat limited | Very limited |
| Rhodhiss sandy loam, 15 to 25 percent slopes | 4K | Well drained | B | Very limited | Very limited |
| Evard-Cowee complex, 8 to 25 percent slopes, stony | 3K | Well drained | B | Very limited | Very limited |
| Cowee-Saluda complex, 8 to 25 percent slopes, stony | 3K | Well drained | C | Very limited | Very limited |
| Braddock, Hayesville clay loams, 15 to 25 percent slopes and Moderately eroded | 3K | Well drained | B | Very limited | Very limited |
| Rhodhiss sandy loam, 8 to 15 percent slopes | 2K | Well drained | B | Somewhat limited | Very limited |
| Water | 2K | Not rated | Not rated | ||
| Braddock, Hayesville clay loams, 6 to 15 percent slopes and Moderately eroded | 2K | Well drained | B | Somewhat limited | Very limited |
| Ashe-Cleveland complex, 25 to 60 percent slopes, stony | 2K | Somewhat excessively drained | B | Very limited | Very limited |
| Dan River and Comus soils, 0 to 4 percent slopes, occasionally flooded | 2K | Well drained | C | Very limited | Very limited |
| Clifford-Urban land complex, 2 to 8 percent slopes | 1K | Well drained | B | Not limited | Somewhat limited |
Soil Orders in This Area
The USDA classifies every soil into one of 12 soil orders. Here are the dominant orders found in this survey area.
What This Means
Building & Foundations
About 49% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 82% of soils are rated "very limited" for septic absorption fields. Despite good drainage overall, limitations may stem from shallow bedrock, steep slopes, or seasonal conditions. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.
Gardening & Agriculture
Well-drained soils on sloped terrain — good for most plants but watch for erosion. Terracing, contour planting, and mulching help retain moisture and topsoil. Drip irrigation is more effective than sprinklers on slopes.