HomeSoil seriesLaredo
Laredo soil series
Laredo soils cover 98,424 mapped acres, almost all of them in Texas. USDA rates shrink-swell a limit for houses without basements on 0% of that land, and a shallow water table a limit for basements on 12%.
It is the leading soil series by area in 7 of the counties and cities on this site, including Cameron County, TX.
SSURGO survey versions to August 5, 2026 · series description revised 2016-11
of its land: shrink-swell limits houses without basements
of its land: a shallow water table limits basements
median highest linear extensibility (6% and up is high)
median highest clay content in the top 150 cm
USDA's description
The Laredo series consists of very deep, well drained, moderately permeable soils that formed in calcareous, silty alluvium derived from mixed sources. These nearly level to very gently sloping soils occur on rare flood plains or low Holocene stream terraces. Slope ranges from 0 to 3 percent. Mean annual temperature is about 23.3 degrees C (74 degrees F) and mean annual precipitation is about 686 mm (27 in).
Source: USDA NRCS series description (OSD) for Laredo, revised 2016-11. Read it.
Engineering properties
| Mapped area (SSURGO) | 98,424 acres |
| Shrink-swell limits houses without basements | 0.0% |
| Shallow water table limits basements | 12.2% |
| Very limited for septic absorption fields | 12.2% |
| Most common drainage class | Well drained |
| Most common hydrologic soil group | B |
| Taxonomic class | Fine-silty, mixed, superactive, hyperthermic Fluventic Haplustolls |
| Type location | Cameron County, Texas |
Where Laredo is mapped
| State | Mapped acres |
|---|---|
| Texas | 98,424 |
Places where Laredo leads
Counties and cities where Laredo covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| Indian Lake, TX | 60% |
| Rancho Viejo, TX | 56% |
| Bayview, TX | 52% |
| Los Fresnos, TX | 36% |
| Los Indios, TX | 35% |
| Brownsville, TX | 27% |
| Cameron County, TX | 12% |
Other places where Laredo is a main soil
Counties and cities where Laredo is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Texas and Ohio cities
- Laguna Vista, TX 19%
- San Benito, TX 17%
- Progreso, TX 11%
- Port Isabel, TX 4%
- Hidalgo, TX 4%
Sources
Shares and properties: USDA NRCS SSURGO via Soil Data Access, weighted by each component's share of its map units. Description: the USDA NRCS series description. How we count.