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Copperas Cove, Texas
Inside Copperas Cove's city limits, shrink-swell clay limits houses without basements on 25% of mapped land, the 3rd-highest of 5 cities in Coryell County. A shallow water table limits basements on 0%.
That clay share is close to Coryell County's 26%. FEMA's flood data list 12 flood losses since 2016 in ZIP code 76522 overlapping the city. Of its 16,527 homes, 36% were built before 1980; the median dates from 1989.
Data as of October 13, 2026 · sources · in Coryell 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 Copperas Cove
Foundation repair in Copperas Cove: shrink-swell clay limits slab homes on 25% of Copperas Cove's mapped land.
About 11,800 of Copperas Cove's 16,527 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 Copperas Cove city limits
| Expansive clay (limits slab homes) | 24.7% |
| High water table (limits basements) | 0.0% |
| Septic fields very limited | 87.8% |
| Clay swell (LEP, by area) | 4.8% |
| High-swell land (LEP 6%+) | 24.7% |
| Mapped soil | 11,529 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Topsey | 26% | n/a |
| Real | 12% | n/a |
| Nuff | 9% | n/a |
| Cho | 9% | n/a |
| Krum | 8% | n/a |
| Brackett | 5% | 0% |
What the numbers mean here
Clay swell averages a linear extensibility of 4.8% by land area here, and 25% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 25% of the mapped land.
Clay shrinks as it dries: 100% of Coryell County is in drought on the latest map, and 25% of Copperas Cove's mapped land has shrink-swell clay.
USDA rates 88% of the land very limited for septic absorption fields.
Drought in Coryell County
100% of Coryell 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 Copperas Cove. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76522 | 96% | 12 | $396,878 |
Homes in Copperas Cove
| Housing units | 16,527 |
| Median year built | 1989 |
| Built before 1980 | 36% |
| Built 2000 or later | 31% |
| Owner-occupied | 60% |
| Median value, owner-occupied | $180,500 |
| Single-family detached | 71% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Kempner | 5 mi | 11% | 0% |
| Killeen | 11 mi | 47% | under 1% |
| Lampasas | 16 mi | 18% | 0% |
| Harker Heights | 17 mi | 44% | under 1% |
| Nolanville | 19 mi | 64% | under 1% |
| Florence | 21 mi | 74% | under 1% |
| Gatesville | 24 mi | 21% | under 1% |
| Salado | 26 mi | 46% | 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