Montgomery County, Tennessee
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). 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 Montgomery County, Tennessee.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Sengtown gravelly silt loam, 12 to 20 percent slopes | 79K | Well drained | B | Very limited | Very limited |
| Sengtown gravelly silt loam, 5 to 12 percent slopes | 40K | Well drained | B | Not limited | Somewhat limited |
| Arrington silt loam, 0 to 2 percent slopes, occasionally flooded | 22K | Well drained | B | Very limited | Very limited |
| Baxter cherty silt loam, 20 to 35 percent slopes | 22K | Well drained | B | Very limited | Very limited |
| Dickson silt loam, 2 to 5 percent slopes | 20K | Moderately well drained | C/D | Very limited | Very limited |
| Pembroke silt loam, 2 to 6 percent slopes | 16K | Well drained | B | Somewhat limited | Somewhat limited |
| Lindell silt loam, 0 to 2 percent slopes, occasionally flooded | 13K | Moderately well drained | B/D | Very limited | Very limited |
| Pembroke silt loam, 6 to 12 percent slopes | 10K | Well drained | B | Somewhat limited | Somewhat limited |
| Mountview silt loam, 5 to 12 percent slopes | 10K | Moderately well drained | C | Very limited | Very limited |
| Mountview silt loam, 5 to 12 percent slopes, eroded | 10K | Well drained | B | Somewhat limited | Somewhat limited |
| Brandon silt loam, 5 to 12 percent slopes | 9K | Well drained | B | Somewhat limited | Somewhat limited |
| Pickwick silt loam, 5 to 12 percent slopes, eroded | 8K | Well drained | B | Somewhat limited | Somewhat limited |
| Pickwick silt loam, 5 to 12 percent slopes | 7K | Well drained | B | Somewhat limited | Somewhat limited |
| Baxter soils and rock outcrop, 20 to 45 percent slopes | 6K | Well drained | B | Very limited | Very limited |
| Mountview silt loam, 2 to 5 percent slopes | 6K | Moderately well drained | C | Very limited | Very limited |
| Newark silt loam | 5K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Guthrie silt loam, 0 to 2 percent slopes, occasionally ponded | 4K | Poorly drained | C/D | Very limited | Very limited |
| Taft silt loam, 0 to 2 percent slopes | 4K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Cannon cherty silt loam | 4K | Well drained | A | Very limited | Very limited |
| Pickwick silt loam, 2 to 5 percent slopes | 4K | Well drained | B | Somewhat limited | Somewhat limited |
What This Means
Building & Foundations
About 65% of soils are rated "very limited" for dwellings with basements. Specific challenges include steep slopes, poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 65% 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.