Willacy County, Texas
The dominant drainage class is Moderately well drained and the dominant hydrologic group is B (moderate infiltration). 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 Willacy County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Raymondville clay loam | 60K | Moderately well drained | C | Very limited | Very limited |
| Water | 47K | D | Not rated | Not rated | |
| Racombes sandy clay loam, 0 to 1 percent slopes | 33K | Well drained | B | Somewhat limited | Somewhat limited |
| Hidalgo sandy clay loam, 0 to 1 percent slopes | 28K | Well drained | B | Not limited | Somewhat limited |
| Lyford sandy clay loam | 26K | Moderately well drained | B | Somewhat limited | Somewhat limited |
| Nueces fine sand, 0 to 3 percent slopes | 24K | Moderately well drained | B | Not limited | Somewhat limited |
| Lozano fine sandy loam | 22K | Somewhat poorly drained | C | Somewhat limited | Very limited |
| Willamar fine sandy loam, 0 to 1 percent slopes | 20K | Somewhat poorly drained | D | Somewhat limited | Very limited |
| Willacy fine sandy loam, 0 to 1 percent slopes | 17K | Well drained | B | Not limited | Somewhat limited |
| Satatton fine sand, frequently flooded | 16K | Poorly drained | A/D | Very limited | Very limited |
| Tatton fine sand, 0 to 1 percent slopes, very frequently flooded | 14K | Very poorly drained | D | Very limited | Very limited |
| Willacy fine sandy loam, 1 to 3 percent slopes | 11K | Well drained | B | Not limited | Somewhat limited |
| Porfirio sandy clay loam occasionally ponded, 0 to 1 percent slopes | 11K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Mercedes clay | 10K | Moderately well drained | D | Very limited | Very limited |
| Barrada clay, 0 to 1 percent slopes, very frequently flooded, occasionally ponded | 10K | Very poorly drained | D | Very limited | Very limited |
| Delfina fine sandy loam, warm, 0 to 2 percent slopes | 8K | Moderately well drained | C | Somewhat limited | Very limited |
| Saucel fine sandy loam, 0 to 1 percent slopes | 8K | Poorly drained | B/D | Very limited | Very limited |
| Sauz fine sand, 0 to 1 percent slopes, rarely flooded | 7K | Poorly drained | C/D | Very limited | Very limited |
| Falfurrias fine sand, 0 to 5 percent slopes | 7K | Somewhat excessively drained | A | Not limited | Very limited |
| Hargill fine sandy loam, 1 to 3 percent slopes | 6K | Well drained | B | Somewhat limited | Somewhat limited |
What This Means
Building & Foundations
About 35% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 49% of soils have significant septic limitations, while others are more suitable. A perc test is essential — conditions vary across the area.
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.