Hidalgo County, Texas
The dominant drainage class is 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 Hidalgo County, Texas.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Hidalgo sandy clay loam, 0 to 1 percent slopes | 134K | Well drained | B | Not limited | Somewhat limited |
| Brennan fine sandy loam, 0 to 1 percent slopes | 87K | Well drained | B | Not limited | Somewhat limited |
| Nueces fine sand, 0 to 3 percent slopes | 72K | Moderately well drained | B | Not limited | Somewhat limited |
| Hidalgo fine sandy loam, 0 to 1 percent slopes | 60K | Well drained | B | Not limited | Somewhat limited |
| McAllen fine sandy loam, 0 to 1 percent slopes | 55K | Well drained | B | Not limited | Somewhat limited |
| Nueces-Sarita complex, 0 to 3 percent slopes | 54K | Moderately well drained | B | Not limited | Somewhat limited |
| Delmita-Randado complex, 0 to 3 percent slopes | 52K | Well drained | C | Very limited | Very limited |
| Harlingen clay | 48K | Moderately well drained | D | Very limited | Very limited |
| Raymondville clay loam, 0 to 1 percent slopes | 37K | Moderately well drained | C | Very limited | Very limited |
| Delfina loamy fine sand, warm, 0 to 2 percent slopes | 34K | Moderately well drained | C | Somewhat limited | Very limited |
| Willacy fine sandy loam, 0 to 1 percent slopes | 32K | Well drained | B | Not limited | Somewhat limited |
| Hebbronville sandy loam, 0 to 1 percent slopes | 23K | Well drained | A | Not limited | Not limited |
| Hidalgo-Urban land complex, 0 to 1 percent slopes | 23K | Well drained | B | Not limited | Somewhat limited |
| Runn silty clay | 19K | Moderately well drained | C | Very limited | Very limited |
| Brennan fine sandy loam, 0 to 3 percent slopes | 17K | Well drained | B | Not limited | Somewhat limited |
| Racombes sandy clay loam, 0 to 1 percent slopes | 17K | Well drained | B | Somewhat limited | Somewhat limited |
| Delmita and Bruni soils, 0 to 3 percent slopes | 16K | Well drained | C | Very limited | Very limited |
| Sarita fine sand, 0 to 5 percent slopes | 15K | Well drained | A | Not limited | Somewhat limited |
| Cuevitas-Randado complex, 0 to 3 percent slopes | 15K | Well drained | D | Very limited | Very limited |
| Comitas loamy fine sand, 0 to 3 percent slopes | 13K | Well drained | A | Not limited | Not limited |
What This Means
Building & Foundations
About 22% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 26% 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.