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Eagle Lake, Texas
Inside Eagle Lake's city limits, shrink-swell clay limits houses without basements on 60% of mapped land, the 2nd-highest of 3 cities in Colorado County. A shallow water table limits basements on 8%, the 2nd-highest of 3 cities in Colorado County.
That clay share is above Colorado County's 37%. FEMA's flood data list 14 flood losses since 2016 in ZIP code 77434 overlapping the city. Of its 1,385 homes, 75% were built before 1980; the median dates from 1965.
Data as of October 13, 2026 · sources · in Colorado 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 Eagle Lake
Foundation repair in Eagle Lake: shrink-swell clay limits slab homes on 60% of Eagle Lake's mapped land, more than in 65% of Texas cities.
About 1,100 of Eagle Lake's 1,385 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 Eagle Lake city limits
| Expansive clay (limits slab homes) | 60.3% |
| High water table (limits basements) | 8.3% |
| Septic fields very limited | 90.2% |
| Clay swell (LEP, by area) | 5.1% |
| High-swell land (LEP 6%+) | 60.3% |
| Mapped soil | 1,881 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 5.1% by land area here, and 60% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 60% of the mapped land.
Clay shrinks as it dries: 100% of Colorado County is in drought on the latest map, and 60% of Eagle Lake's mapped land has shrink-swell clay.
USDA rates 90% of the land very limited for septic absorption fields.
Drought in Colorado County
100% of Colorado 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 Eagle Lake. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77434 | 100% | 14 | $462,164 |
Homes in Eagle Lake
| Housing units | 1,385 |
| Median year built | 1965 |
| Built before 1980 | 75% |
| Built 2000 or later | 6% |
| Owner-occupied | 72% |
| Median value, owner-occupied | $137,900 |
| Single-family detached | 78% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Sealy | 16 mi | 10% | 32% |
| Columbus | 16 mi | 12% | 22% |
| Wallis | 16 mi | 86% | 61% |
| East Bernard | 17 mi | 74% | 36% |
| South Frydek | 18 mi | 90% | 12% |
| San Felipe | 20 mi | 56% | 36% |
| Brazos Country | 21 mi | 15% | 21% |
| Orchard | 22 mi | 37% | 69% |
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