Dyer County, Tennessee
The dominant drainage class is Poorly drained and the dominant hydrologic group is D (very slow infiltration, high 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 Dyer County, Tennessee.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Falaya silt loam | 29K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Waverly silt loam, 0 to 2 percent slopes, frequently flooded, very long | 20K | Poorly drained | B/D | Very limited | Very limited |
| Sharkey clay, 0 to 2 percent slopes, frequently flooded | 15K | Poorly drained | D | Very limited | Very limited |
| Alligator clay | 15K | Poorly drained | D | Very limited | Very limited |
| Water | 15K | Not rated | Not rated | ||
| Waverly silt loam, 0 to 2 percent slopes, frequently flooded, brief | 15K | Poorly drained | B/D | Very limited | Very limited |
| Routon silt loam | 14K | Poorly drained | C/D | Very limited | Very limited |
| Loring silt loam, 2 to 5 percent slopes | 13K | Moderately well drained | C | Very limited | Very limited |
| Loring silt loam, 8 to 12 percent slopes, severely eroded | 11K | Moderately well drained | D | Very limited | Very limited |
| Adler silt loam, 0 to 2 percent slopes, occasionally flooded | 11K | Moderately well drained | C | Very limited | Very limited |
| Alligator-Crevasse complex | 11K | Poorly drained | D | Very limited | Very limited |
| Calloway silt loam, 0 to 2 percent slopes, north | 11K | Somewhat poorly drained | D | Very limited | Very limited |
| Grenada silt loam, 5 to 8 percent slopes, severely eroded | 10K | Moderately well drained | D | Very limited | Very limited |
| Loring silt loam, 5 to 8 percent slopes, severely eroded | 9K | Moderately well drained | D | Very limited | Very limited |
| Forestdale silt loam | 8K | Poorly drained | D | Very limited | Very limited |
| Swamp (Rosebloom) | 8K | Poorly drained | B/D | Very limited | Very limited |
| Bowdre clay, coarse subsoil | 8K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Dundee loam | 7K | Somewhat poorly drained | C | Very limited | Very limited |
| Commerce silty clay loam | 7K | Somewhat poorly drained | C | Very limited | Very limited |
| Commerce loam | 7K | Somewhat poorly drained | C | Very limited | Very limited |
What This Means
Building & Foundations
About 93% of soils are rated "very limited" for dwellings with basements. Specific challenges include poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 93% of soils are rated "very limited" for septic absorption fields. Poorly drained soils can't absorb septic effluent effectively. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.
Gardening & Agriculture
Many soils hold water for extended periods. Raised beds are highly recommended to improve drainage for vegetables. Well-adapted native plants and water-loving species will do best in natural conditions.