Robertson County, Texas
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 Robertson County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Silstid loamy fine sand, 1 to 5 percent slopes | 48K | Well drained | B | Not limited | Somewhat limited |
| Padina loamy fine sand, 1 to 5 percent slopes | 34K | Well drained | A | Not limited | Somewhat limited |
| Tabor fine sandy loam, 0 to 2 percent slopes | 31K | Moderately well drained | C/D | Very limited | Very limited |
| Robco-Tanglewood complex, 1 to 5 percent slopes | 30K | Moderately well drained | A | Somewhat limited | Very limited |
| Ships clay, 0 to 1 percent slopes, rarely flooded | 27K | Moderately well drained | D | Very limited | Very limited |
| Edge fine sandy loam, 1 to 5 percent slopes | 23K | Well drained | C | Somewhat limited | Very limited |
| Gasil loamy fine sand, 1 to 5 percent slopes | 22K | Well drained | B | Not limited | Somewhat limited |
| Rader fine sandy loam, 1 to 3 percent slopes | 21K | Moderately well drained | D | Very limited | Very limited |
| Edge fine sandy loam, 2 to 5 percent slopes, moderately eroded | 20K | Well drained | C | Somewhat limited | Very limited |
| Uhland loam, 0 to 1 percent slopes, frequently flooded | 19K | Moderately well drained | C | Very limited | Very limited |
| Eufaula loamy fine sand, 1 to 5 percent slopes | 19K | Somewhat excessively drained | A | Not limited | Somewhat limited |
| Chazos loamy fine sand, 1 to 5 percent slopes | 17K | Moderately well drained | C | Somewhat limited | Very limited |
| Hearne fine sandy loam, 3 to 8 percent slopes | 16K | Well drained | D | Somewhat limited | Very limited |
| Edge fine sandy loam, 5 to 8 percent slopes, eroded | 14K | Well drained | D | Somewhat limited | Very limited |
| Rosanky fine sandy loam, 2 to 5 percent slopes | 14K | Well drained | C | Somewhat limited | Very limited |
| Sandow loam, 0 to 2 percent slopes, frequently flooded | 12K | Moderately well drained | C | Very limited | Very limited |
| Crockett loam, 1 to 3 percent slopes | 10K | Moderately well drained | D | Very limited | Very limited |
| Silstid loamy fine sand, 3 to 8 percent slopes | 9K | Well drained | B | Not limited | Somewhat limited |
| Weswood silty clay loam, 0 to 1 percent slopes, rarely flooded | 8K | Well drained | C | Very limited | Very limited |
| Silawa loamy fine sand, 2 to 5 percent slopes | 8K | Well drained | B | Not limited | Very limited |
What This Means
Building & Foundations
About 31% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 67% 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
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.