Tom Green County, Texas
The dominant drainage class is 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 Tom Green County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Angelo clay loam, 0 to 1 percent slopes | 253K | Well drained | C | Somewhat limited | Very limited |
| Tarrant soils, dry, 1 to 8 percent slopes | 163K | Well drained | D | Very limited | Very limited |
| Cho gravelly loam, dry, 1 to 8 percent slopes | 87K | Well drained | D | Very limited | Very limited |
| Ector soils, moist, 3 to 30 percent slopes | 48K | Well drained | D | Very limited | Very limited |
| Rioconcho and Spur soils | 46K | Moderately well drained | C | Very limited | Very limited |
| Tarrant association, dry, 8 to 30 percent slopes | 44K | Well drained | D | Very limited | Very limited |
| Mereta clay loam, dry, 0 to 1 percent slopes | 39K | Well drained | D | Very limited | Very limited |
| Angelo clay loam, 1 to 3 percent slopes | 36K | Well drained | C | Somewhat limited | Very limited |
| Ector soils, moist, 1 to 8 percent slopes | 35K | Well drained | D | Very limited | Very limited |
| Mereta clay loam, dry, 1 to 3 percent slopes | 33K | Well drained | D | Very limited | Very limited |
| Tulia loam, 1 to 3 percent slopes | 33K | Well drained | B | Somewhat limited | Somewhat limited |
| Angelo silty clay, 0 to 1 percent slopes | 31K | Well drained | C | Somewhat limited | Very limited |
| Sagerton clay loam, 0 to 1 percent slopes | 18K | Well drained | C | Somewhat limited | Very limited |
| Kavett clay, 1 to 3 percent slopes | 13K | Well drained | D | Very limited | Very limited |
| Water | 12K | D | Not rated | Not rated | |
| Tobosa clay, 0 to 1 percent slopes | 11K | Well drained | D | Very limited | Very limited |
| Angelo silty clay, 1 to 3 percent slopes | 10K | Well drained | C | Somewhat limited | Very limited |
| Rioconcho and Dev soils, 0 to 3 percent slopes, frequently flooded | 8K | Well drained | C | Very limited | Very limited |
| Rioconcho silty clay loam, 0 to 2 percent slopes, occasionally flooded | 8K | Well drained | C | Very limited | Very limited |
| Slaughter-Cho complex, 0 to 1 percent slopes | 6K | Well drained | D | Very limited | Very limited |
What This Means
Building & Foundations
About 57% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 95% 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.