HomeTexasGregg CountyClarksville City
Clarksville City, Texas
Inside Clarksville City's city limits, shrink-swell clay limits houses without basements on 9% of mapped land, the 2nd-highest of 8 cities in Gregg County. A shallow water table limits basements on 44%, the 2nd-highest of 8 cities in Gregg County.
That clay share is close to Gregg County's 9%. FEMA's flood data list 11 flood losses since 2016 in the 3 ZIP codes overlapping the city. Of its 359 homes, 45% were built before 1980; the median dates from 1982.
Data as of October 13, 2026 · sources · in Gregg County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 3 overlapping ZIPs
of homes built before 1980
Foundation repair in Clarksville City
Foundation repair in Clarksville City: shrink-swell clay limits slab homes on 9% of Clarksville City's mapped land.
About 200 of Clarksville City's 359 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 Clarksville City city limits
| Expansive clay (limits slab homes) | 8.7% |
| High water table (limits basements) | 44.0% |
| Septic fields very limited | 82.5% |
| Clay swell (LEP, by area) | 2.8% |
| High-swell land (LEP 6%+) | 10.3% |
| Mapped soil | 4,185 acres |
What the numbers mean here
On 44% of Clarksville City's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 83% of the land very limited for septic absorption fields.
Drought in Gregg County
100% of Gregg 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 Clarksville City. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 75647 | 50% | 2 | $0 |
| 75604 | 32% | 6 | $331,183 |
| 75693 | 18% | 3 | $154,002 |
Homes in Clarksville City
| Housing units | 359 |
| Median year built | 1982 |
| Built before 1980 | 45% |
| Built 2000 or later | 22% |
| Owner-occupied | 86% |
| Median value, owner-occupied | $154,600 |
| Single-family detached | 69% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Warren City | 1 mi | 0% | 35% |
| White Oak | 2 mi | under 1% | 40% |
| Union Grove | 3 mi | 1% | 31% |
| Gladewater | 3 mi | 2% | 32% |
| East Mountain | 4 mi | 0% | 34% |
| Longview | 8 mi | 1% | 30% |
| Kilgore | 10 mi | 3% | 37% |
| Big Sandy | 13 mi | 0% | 40% |
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