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Seagraves, Texas
Inside Seagraves' city limits, shrink-swell clay limits houses without basements on under 1% of mapped land. A shallow water table limits basements on 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 79359 overlapping the city. Of its 1,077 homes, 57% were built before 1980; the median dates from 1969.
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 Seagraves
Foundation repair in Seagraves: shrink-swell clay limits slab homes on under 1% of Seagraves' mapped land.
About 600 of Seagraves' 1,077 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 Seagraves city limits
| Expansive clay (limits slab homes) | 0.2% |
| High water table (limits basements) | 1.3% |
| Septic fields very limited | 10.6% |
| Clay swell (LEP, by area) | 2.9% |
| High-swell land (LEP 6%+) | 0.2% |
| Mapped soil | 932 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Amarillo | 39% | 0% |
| Arch | 21% | n/a |
| Midessa | 20% | n/a |
| Arvana | 7% | n/a |
| Patricia | 5% | n/a |
| Posey | 2% | n/a |
What the numbers mean here
With shrink-swell clay on under 1% and a shallow water table on 1% of the land, the soil survey points to neither problem across most of Seagraves; 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 Seagraves. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79359 | 100% | 0 | $0 |
Homes in Seagraves
| Housing units | 1,077 |
| Median year built | 1969 |
| Built before 1980 | 57% |
| Built 2000 or later | 6% |
| Owner-occupied | 60% |
| Median value, owner-occupied | $68,400 |
| Single-family detached | 56% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Wellman | 11 mi | 0% | 0% |
| Denver City | 16 mi | 0% | under 1% |
| Seminole | 16 mi | under 1% | under 1% |
| Plains | 23 mi | 8% | 1% |
| Brownfield | 23 mi | 0% | under 1% |
| Meadow | 34 mi | 1% | under 1% |
| Sundown | 36 mi | 1% | under 1% |
| Lamesa | 38 mi | under 1% | under 1% |
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