Omaha, Texas
Inside Omaha's city limits, shrink-swell clay limits houses without basements on 7% of mapped land, the 2nd-highest of 4 cities in Morris County. A shallow water table limits basements on 52%, the 2nd-highest of 4 cities in Morris County.
That clay share is below Morris County's 25%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 75571 overlapping the city. Of its 557 homes, 72% were built before 1980; the median dates from 1974.
Data as of October 13, 2026 · sources · in Morris 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 Omaha
Foundation repair in Omaha: shrink-swell clay limits slab homes on 7% of Omaha's mapped land.
About 500 of Omaha's 557 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 Omaha city limits
| Expansive clay (limits slab homes) | 7.2% |
| High water table (limits basements) | 51.6% |
| Septic fields very limited | 85.1% |
| Clay swell (LEP, by area) | 2.9% |
| High-swell land (LEP 6%+) | 7.2% |
| Urban land, not rated | 3.8% |
| Mapped soil | 931 acres |
What the numbers mean here
On 52% of Omaha's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 85% of the land very limited for septic absorption fields.
Drought in Morris County
100% of Morris 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 Omaha. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75571 | 100% | 1 | $11,837 |
Homes in Omaha
| Housing units | 557 |
| Median year built | 1974 |
| Built before 1980 | 72% |
| Built 2000 or later | 10% |
| Owner-occupied | 72% |
| Median value, owner-occupied | $106,000 |
| Single-family detached | 81% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Naples | 4 mi | 16% | 52% |
| Daingerfield | 11 mi | 0% | 10% |
| Marietta | 11 mi | 0% | 70% |
| Mount Pleasant | 14 mi | 46% | 36% |
| Hughes Springs | 14 mi | 0% | 18% |
| Lone Star | 17 mi | 0% | 14% |
| Pittsburg | 18 mi | 1% | 47% |
| Rocky Mound | 20 mi | 0% | 43% |
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