Thomas County, Kansas
The dominant drainage class is Well drained and the dominant hydrologic group is C (slow infiltration, moderate 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 Thomas County, Kansas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Keith silt loam, 0 to 1 percent slopes | 247K | Well drained | C | Not limited | Somewhat limited |
| Keith silt loam, 1 to 3 percent slopes, south | 147K | Well drained | C | Not limited | Somewhat limited |
| Buffalo Park silt loam, 3 to 6 percent slopes | 69K | Well drained | B | Not limited | Somewhat limited |
| Ulysses silt loam, 1 to 3 percent slopes | 65K | Well drained | B | Not limited | Somewhat limited |
| Kuma silt loam, 0 to 1 percent slopes | 48K | Well drained | C | Not limited | Very limited |
| Colby silt loam, 6 to 15 percent slopes | 39K | Well drained | B | Somewhat limited | Somewhat limited |
| Goshen silt loam, rarely flooded | 17K | Well drained | C | Very limited | Very limited |
| Ulysses silt loam, 1 to 3 percent slopes, eroded | 17K | Well drained | B | Not limited | Somewhat limited |
| Richfield silty clay loam, 0 to 1 percent slopes | 11K | Well drained | C | Not limited | Somewhat limited |
| Roxbury silt loam, occasionally flooded | 9K | Well drained | B | Very limited | Very limited |
| Ulysses silt loam, 0 to 1 percent slopes | 7K | Well drained | C | Not limited | Very limited |
| Ness silty clay loam, 0 to 1 percent slopes, occasionally ponded | 3K | Poorly drained | D | Very limited | Very limited |
| Ulysses silt loam, 3 to 6 percent slopes | 3K | Well drained | B | Not limited | Somewhat limited |
| Hord silt loam, nonflooded | 3K | Well drained | B | Somewhat limited | Somewhat limited |
| Schamber gravelly sandy loam, 5 to 25 percent slopes | 1K | Excessively drained | A | Very limited | Very limited |
| Bridgeport silt loam, rarely flooded | 1K | Well drained | B | Very limited | Somewhat limited |
| Gravel pits and quarries | 339 | Not rated | Not rated | ||
| Bridgeport silt loam, occasionally flooded | 267 | Well drained | B | Very limited | Very limited |
| Water | 21 | Not rated | Not rated | ||
| Hord silt loam, rarely flooded | 15 | Well drained | B | Very limited | Somewhat 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
Most soils are reasonably suitable for conventional septic systems, though site-specific conditions always matter. Get a perc test to confirm.
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.