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Ganado, Texas
Inside Ganado's city limits, shrink-swell clay limits houses without basements on 89% of mapped land, the highest of 3 cities in Jackson County. A shallow water table limits basements on 4%, the 3rd-highest of 3 cities in Jackson County.
That clay share is above Jackson County's 67%. FEMA's flood data list 10 flood losses since 2016 in ZIP code 77962 overlapping the city. Of its 695 homes, 67% were built before 1980; the median dates from 1969.
Data as of October 13, 2026 · sources · in Jackson 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 Ganado
Foundation repair in Ganado: shrink-swell clay limits slab homes on 89% of Ganado's mapped land, more than in 96% of Texas cities.
About 500 of Ganado's 695 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 Ganado city limits
| Expansive clay (limits slab homes) | 88.9% |
| High water table (limits basements) | 3.8% |
| Septic fields very limited | 88.9% |
| Clay swell (LEP, by area) | 11.3% |
| High-swell land (LEP 6%+) | 88.9% |
| Mapped soil | 743 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Laewest | 86% | 94% |
| Dacosta | 9% | n/a |
| Contee | 3% | n/a |
| Marcado | under 1% | n/a |
| Edna | under 1% | n/a |
| Telferner | under 1% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 11.3% by land area here, and 89% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 89% of the mapped land.
Clay shrinks as it dries: 100% of Jackson County is in drought on the latest map, and 89% of Ganado's mapped land has shrink-swell clay.
USDA rates 89% of the land very limited for septic absorption fields.
Drought in Jackson County
100% of Jackson 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 Ganado. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77962 | 100% | 10 | $243,115 |
Homes in Ganado
| Housing units | 695 |
| Median year built | 1969 |
| Built before 1980 | 67% |
| Built 2000 or later | 7% |
| Owner-occupied | 51% |
| Median value, owner-occupied | $180,700 |
| Single-family detached | 77% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Edna | 10 mi | 85% | 40% |
| La Ward | 14 mi | 65% | 26% |
| El Campo | 18 mi | 86% | 32% |
| Point Comfort | 26 mi | 89% | 13% |
| Palacios | 28 mi | 77% | 69% |
| Port Lavaca | 30 mi | 65% | 8% |
| Wharton | 31 mi | 47% | 8% |
| Victoria | 32 mi | 62% | 20% |
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