Brazos County, Texas
The dominant drainage class is Moderately well 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 Brazos County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Tabor fine sandy loam, 0 to 2 percent slopes | 24K | Moderately well drained | C/D | Very limited | Very limited |
| Sandow loam, frequently flooded | 24K | Moderately well drained | C | Very limited | Very limited |
| Ships clay, 0 to 1 percent slopes, rarely flooded | 23K | Moderately well drained | D | Very limited | Very limited |
| Gladewater clay, 0 to 1 percent slopes, frequently flooded | 17K | Somewhat poorly drained | D | Very limited | Very limited |
| Boonville fine sandy loam, 1 to 3 percent slopes | 14K | Somewhat poorly drained | D | Very limited | Very limited |
| Gredge fine sandy loam, 1 to 5 percent slopes | 13K | Moderately well drained | D | Somewhat limited | Very limited |
| Robco-Tanglewood complex, 1 to 5 percent slopes | 12K | Moderately well drained | A | Somewhat limited | Very limited |
| Rader fine sandy loam, 1 to 3 percent slopes | 12K | Moderately well drained | D | Very limited | Very limited |
| Zack fine sandy loam, 1 to 5 percent slopes | 12K | Moderately well drained | D | Somewhat limited | Very limited |
| Zulch fine sandy loam, 1 to 3 percent slopes | 11K | Moderately well drained | D | Very limited | Very limited |
| Crockett loam, 1 to 3 percent slopes | 11K | Moderately well drained | D | Very limited | Very limited |
| Spiller loamy fine sand, 1 to 3 percent slopes | 10K | Moderately well drained | C | Somewhat limited | Very limited |
| Derly-Rader complex, 0 to 1 percent slopes | 9K | Poorly drained | D | Very limited | Very limited |
| Chazos loamy fine sand, 1 to 5 percent slopes | 8K | Moderately well drained | C | Somewhat limited | Very limited |
| Burlewash fine sandy loam, 1 to 5 percent slopes | 8K | Well drained | D | Very limited | Very limited |
| Zack-Urban land complex, 1 to 5 percent slopes | 8K | Moderately well drained | D | Somewhat limited | Very limited |
| Singleton fine sandy loam, 1 to 3 percent slopes | 7K | Moderately well drained | D | Very limited | Very limited |
| Boonville-Urban land complex, 0 to 3 percent slopes | 7K | Somewhat poorly drained | D | Very limited | Very limited |
| Burlewash fine sandy loam, 5 to 8 percent slopes | 7K | Well drained | D | Very limited | Very limited |
| Weswood silt loam, 0 to 1 percent slopes, rarely flooded | 7K | Well drained | B | Very limited | Very limited |
What This Means
Building & Foundations
About 74% 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 100% 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.