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Winona, Texas
Inside Winona's city limits, shrink-swell clay limits houses without basements on 1% of mapped land, the 5th-highest of 10 cities in Smith County. A shallow water table limits basements on 25%, the 2nd-highest of 10 cities in Smith County.
That clay share is close to Smith County's 3%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 75792 overlapping the city. Of its 362 homes, 45% were built before 1980; the median dates from 1984.
Data as of October 13, 2026 · sources · in Smith 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 Winona
Foundation repair in Winona: shrink-swell clay limits slab homes on 1% of Winona's mapped land.
About 200 of Winona's 362 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 Winona city limits
| Expansive clay (limits slab homes) | 1.1% |
| High water table (limits basements) | 25.4% |
| Septic fields very limited | 53.4% |
| Clay swell (LEP, by area) | 2.5% |
| High-swell land (LEP 6%+) | 1.1% |
| Mapped soil | 992 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Wolfpen | 32% | n/a |
| Redsprings | 23% | n/a |
| Mattex | 15% | n/a |
| Gallime | 9% | n/a |
| Oakwood | 4% | n/a |
| Cuthbert | 4% | 0% |
What the numbers mean here
On 25% of Winona's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 53% of the land very limited for septic absorption fields.
Drought in Smith County
100% of Smith 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 Winona. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75792 | 100% | 1 | $0 |
Homes in Winona
| Housing units | 362 |
| Median year built | 1984 |
| Built before 1980 | 45% |
| Built 2000 or later | 29% |
| Owner-occupied | 59% |
| Median value, owner-occupied | $153,300 |
| Single-family detached | 62% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Hawkins | 7 mi | 2% | 18% |
| Big Sandy | 7 mi | 0% | 40% |
| New Chapel Hill | 13 mi | 0% | 20% |
| Lindale | 13 mi | 1% | 10% |
| Gladewater | 14 mi | 2% | 32% |
| Tyler | 14 mi | 1% | 10% |
| Union Grove | 16 mi | 1% | 31% |
| Warren City | 16 mi | 0% | 35% |
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