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Windthorst, Texas
Inside Windthorst's city limits, shrink-swell clay limits houses without basements on 56% of mapped land, the highest of 6 cities in Archer County. A shallow water table limits basements on under 1%.
That clay share is above Archer County's 36%. FEMA's flood data list no flood losses since 2016 in ZIP code 76389 overlapping the city. Of its 185 homes, 52% were built before 1980; the median dates from 1979.
Data as of October 13, 2026 · sources · in Archer County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Foundation repair in Windthorst
Foundation repair in Windthorst: shrink-swell clay limits slab homes on 56% of Windthorst's mapped land, more than in 62% of Texas cities.
About 200 of Windthorst's 185 homes are detached houses.
| Who designs the repair | The ASCE Texas Section's repair guidelines say a Texas-licensed engineer should evaluate the foundation and design the repair (2022 guidelines) |
| Prices | Cost guide ranges compared |
Soil under Windthorst city limits
| Expansive clay (limits slab homes) | 55.7% |
| High water table (limits basements) | under 0.1% |
| Septic fields very limited | 95.8% |
| Clay swell (LEP, by area) | 6.3% |
| High-swell land (LEP 6%+) | 60.0% |
| Mapped soil | 1,646 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 6.3% by land area here, and 60% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 56% of the mapped land.
Clay shrinks as it dries: 100% of Archer County is in drought on the latest map, and 56% of Windthorst's mapped land has shrink-swell clay.
USDA rates 96% of the land very limited for septic absorption fields.
Drought in Archer County
100% of Archer County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Windthorst. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76389 | 100% | 0 | $0 |
Homes in Windthorst
| Housing units | 185 |
| Median year built | 1979 |
| Built before 1980 | 52% |
| Built 2000 or later | 17% |
| Owner-occupied | 88% |
| Median value, owner-occupied | $206,300 |
| Single-family detached | 86% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Scotland | 5 mi | 26% | under 1% |
| Archer City | 11 mi | 24% | 0% |
| Lakeside City | 18 mi | 51% | 0% |
| Jolly | 21 mi | 66% | 0% |
| Henrietta | 21 mi | 41% | 0% |
| Holliday | 22 mi | 41% | under 1% |
| Wichita Falls | 23 mi | 30% | under 1% |
| Dean | 24 mi | 14% | 0% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status