HomeSoil seriesWindthorst
Windthorst soil series
Windthorst soils cover 541,111 mapped acres, mostly in Texas and Oklahoma. USDA rates shrink-swell a limit for houses without basements on 37% of that land, and a shallow water table a limit for basements on 1%.
It is the leading soil series by area in 16 of the counties and cities on this site, including Montague County, TX; Carter County, OK; Parker County, TX.
SSURGO survey versions to August 5, 2026 · series description revised 2020-09
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 Windthorst series consists of very deep, moderately well drained, moderately slowly permeable soils that formed in sandy and clayey residuum weathered from claystone and sandstone of Cretaceous age. These very gently sloping to strongly sloping soils occur on summits, shoulders, and backslopes of ridges on hills. Slope range is 1 to 12 percent. Mean annual precipitation is about 864 mm (34 in) and the mean annual temperature is about 18.3 degrees C (65 degrees F).
Source: USDA NRCS series description (OSD) for Windthorst, revised 2020-09. Read it.
Engineering properties
| Mapped area (SSURGO) | 541,111 acres |
| Shrink-swell limits houses without basements | 37.0% |
| Shallow water table limits basements | 1.2% |
| Very limited for septic absorption fields | 89.5% |
| Most common drainage class | Moderately well drained |
| Most common hydrologic soil group | C |
| Taxonomic class | Fine, mixed, active, thermic Udic Paleustalfs |
| Type location | Parker County, Texas |
Where Windthorst is mapped
| State | Mapped acres |
|---|---|
| Texas | 416,148 |
| Oklahoma | 124,963 |
Places where Windthorst leads
Counties and cities where Windthorst covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| Sanctuary, TX | 41% |
| Saint Jo, TX | 35% |
| Alvord, TX | 33% |
| Springtown, TX | 33% |
| Stephenville, TX | 32% |
| Bowie, TX | 32% |
| Reno, TX | 29% |
| Chico, TX | 28% |
| DeCordova, TX | 24% |
| Peaster, TX | 21% |
| Azle, TX | 18% |
| Montague County, TX | 17% |
| Carter County, OK | 17% |
| Weatherford, TX | 15% |
| Parker County, TX | 12% |
| Erath County, TX | 11% |
Other places where Windthorst is a main soil
Counties and cities where Windthorst is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Counties
Texas and Ohio cities
- Pelican Bay, TX 20%
- Paradise, TX 14%
- Annetta North, TX 12%
- Hico, TX 11%
- New Berlin, TX 9%
- Tolar, TX 8%
- Clyde, TX 6%
- Annetta, TX 5%
- Bridgeport, TX 5%
- Nocona, TX 4%
- Carbon, TX 2%
- Gorman, TX 2%
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.