Wilson 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 Wilson County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Aluf and Hitilo soils, undulating | 93K | Somewhat excessively drained | A | Not limited | Very limited |
| Wilco loamy fine sand, 0 to 3 percent slopes | 44K | Well drained | C | Somewhat limited | Very limited |
| Elmendorf-Denhawken complex, 1 to 4 percent slopes | 39K | Well drained | D | Very limited | Very limited |
| Miguel fine sandy loam, 1 to 3 percent slopes | 39K | Well drained | C | Somewhat limited | Very limited |
| Floresville fine sandy loam, 1 to 3 percent slopes | 37K | Well drained | C | Somewhat limited | Very limited |
| Clareville clay loam, 1 to 3 percent slopes | 20K | Well drained | C | Somewhat limited | Very limited |
| Papalote loamy fine sand, 0 to 3 percent slopes | 15K | Moderately well drained | C | Somewhat limited | Very limited |
| Luling clay, 0 to 4 percent slopes | 15K | Well drained | D | Very limited | Very limited |
| Leming loamy fine sand, 0 to 3 percent slopes | 14K | Moderately well drained | C | Somewhat limited | Very limited |
| Poth loamy fine sand, 0 to 3 percent slopes | 12K | Well drained | C | Not limited | Very limited |
| Venus clay loam, 0 to 1 percent slopes | 11K | Well drained | B | Not limited | Somewhat limited |
| Buchel clay, 0 to 1 percent slopes, occasionally flooded | 11K | Moderately well drained | D | Very limited | Very limited |
| Zavala fine sandy loam, frequently flooded | 10K | Well drained | A | Very limited | Very limited |
| Orelia fine sandy loam, 0 to 2 percent slopes | 9K | Somewhat poorly drained | D | Very limited | Very limited |
| Rhymes fine sand, 0 to 5 percent slopes | 9K | Somewhat excessively drained | A | Not limited | Very limited |
| Miguel fine sandy loam, 0 to 1 percent slopes | 8K | Well drained | C | Somewhat limited | Very limited |
| Coy clay loam, 1 to 3 percent slopes | 8K | Well drained | C | Very limited | Very limited |
| Nocken stony soils and rock outcrop, 1 to 8 percent slopes | 7K | Well drained | C | Somewhat limited | Very limited |
| Tordia clay, 1 to 4 percent slopes | 7K | Well drained | D | Very limited | Very limited |
| Crockett fine sandy loam, 1 to 3 percent slopes | 7K | Moderately well drained | D | Very limited | Very limited |
What This Means
Building & Foundations
About 25% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 97% 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.