Mason 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 Mason County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Eckert-Rock outcrop complex, 1 to 8 percent slopes | 84K | Well drained | D | Very limited | Very limited |
| Keese-Rock outcrop complex, 1 to 12 percent slopes | 54K | Well drained | D | Very limited | Very limited |
| Eckert-Rock outcrop complex, 8 to 30 percent slopes | 36K | Well drained | D | Very limited | Very limited |
| Tarrant-Rock outcrop complex, 1 to 12 percent slopes | 28K | Well drained | D | Very limited | Very limited |
| Yates-Nebgen-Rock outcrop complex, 1 to 12 percent slopes | 28K | Well drained | D | Very limited | Very limited |
| Castell sandy loam, 1 to 5 percent slopes | 28K | Well drained | C | Somewhat limited | Very limited |
| Ligon-Katemcy-Keese complex, 1 to 8 percent slopes, very rocky | 22K | Well drained | D | Somewhat limited | Very limited |
| Mereta-Cho-Sunev complex, 0 to 5 percent slopes, rocky | 20K | Well drained | D | Very limited | Very limited |
| Voca sandy loam, 0 to 5 percent slopes, rocky | 20K | Well drained | C | Somewhat limited | Very limited |
| Katemcy-Honeycreek complex, 0 to 5 percent slopes | 18K | Well drained | D | Somewhat limited | Very limited |
| Nebgen-Rock outcrop complex, 1 to 12 percent slopes, stony | 18K | Well drained | D | Very limited | Very limited |
| Campwood, Sunev, and Valera soils, 0 to 5 percent slopes | 17K | Well drained | C | Very limited | Very limited |
| Hye-Oben-Loneoak complex, 1 to 8 percent slopes | 16K | Well drained | C | Very limited | Very limited |
| Acove-Campair-Loneoak complex, 0 to 5 percent slopes | 15K | Well drained | C | Somewhat limited | Very limited |
| Hye-Nebgen-Oben complex, 1 to 8 percent slopes, rocky | 15K | Well drained | D | Very limited | Very limited |
| Menard-Pedernales complex, 0 to 5 percent slopes | 14K | Well drained | B | Not limited | Very limited |
| Ligon-Keese complex, 1 to 8 percent slopes, rocky | 13K | Well drained | D | Somewhat limited | Very limited |
| Keese-Rock outcrop complex, 8 to 35 percent slopes, stony | 12K | Well drained | D | Very limited | Very limited |
| Lou-Click-Voca complex, 0 to 5 percent slopes, rocky | 12K | Well drained | B | Somewhat limited | Somewhat limited |
| Fieldcreek-Riverwash complex, 0 to 5 percent slopes, flooded | 11K | Well drained | A | Very limited | Very limited |
What This Means
Building & Foundations
About 70% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, steep slopes, flood-prone areas. A geotechnical assessment is recommended before building.
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.