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Seminole, Texas
Inside Seminole's city limits, shrink-swell clay limits houses without basements on under 1% of mapped land. A shallow water table limits basements on under 1%.
That clay share is close to Gaines County's under 1%. FEMA's flood data list no flood losses since 2016 in ZIP code 79360 overlapping the city. Of its 2,879 homes, 51% were built before 1980; the median dates from 1979.
Data as of October 13, 2026 · sources · in Gaines 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 Seminole
Foundation repair in Seminole: shrink-swell clay limits slab homes on under 1% of Seminole's mapped land.
About 2,100 of Seminole's 2,879 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 Seminole city limits
| Expansive clay (limits slab homes) | 0.2% |
| High water table (limits basements) | under 0.1% |
| Septic fields very limited | 60.9% |
| Clay swell (LEP, by area) | 3.0% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 2,656 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Sharvana | 38% | n/a |
| Patricia | 23% | n/a |
| Kimberson | 8% | n/a |
| Brownfield | 8% | n/a |
| Arvana | 6% | n/a |
| Amarillo | 4% | 0% |
What the numbers mean here
USDA rates 61% of the land very limited for septic absorption fields.
With shrink-swell clay on under 1% and a shallow water table on under 1% of the land, the soil survey points to neither problem across most of Seminole; conditions still vary lot by lot.
Drought in Gaines County
97.2% of Gaines 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 Seminole. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79360 | 100% | 0 | $0 |
Homes in Seminole
| Housing units | 2,879 |
| Median year built | 1979 |
| Built before 1980 | 51% |
| Built 2000 or later | 14% |
| Owner-occupied | 74% |
| Median value, owner-occupied | $177,000 |
| Single-family detached | 73% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Seagraves | 16 mi | under 1% | 1% |
| Denver City | 20 mi | 0% | under 1% |
| Wellman | 26 mi | 0% | 0% |
| Andrews | 28 mi | 0% | 0% |
| Plains | 34 mi | 8% | 1% |
| Brownfield | 38 mi | 0% | under 1% |
| Lamesa | 40 mi | under 1% | under 1% |
| Los Ybanez | 43 mi | 0% | 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