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Quintana, Texas
Inside Quintana's city limits, shrink-swell clay limits houses without basements on 3% of mapped land. A shallow water table limits basements on 30%.
That clay share is below Brazoria County's 64%. FEMA's flood data list 510 flood losses since 2016 in ZIP code 77541 overlapping the city.
Data as of October 13, 2026 · sources · in Brazoria County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
Foundation repair in Quintana
Foundation repair in Quintana: shrink-swell clay limits slab homes on 3% of Quintana's mapped land.
| 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 Quintana city limits
| Expansive clay (limits slab homes) | 3.3% |
| High water table (limits basements) | 29.8% |
| Septic fields very limited | 24.3% |
| Clay swell (LEP, by area) | 5.1% |
| High-swell land (LEP 6%+) | 9.1% |
| Mapped soil | 1,525 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Ijam | 6% | n/a |
| Galveston | 5% | n/a |
| Velasco | 3% | n/a |
| Ostermayer | 3% | n/a |
| Freeport | 2% | n/a |
| Brazosport | 1% | n/a |
What the numbers mean here
On 30% of Quintana's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Drought in Brazoria County
100% of Brazoria 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 Quintana. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 77541 | 100% | 510 | $14.6 million |
Homes
Quintana has fewer than 100 housing units in the ACS 2020-2024 estimates, too few for reliable shares.
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Freeport | 2 mi | 49% | 75% |
| Surfside Beach | 4 mi | 13% | 93% |
| Oyster Creek | 6 mi | 48% | 27% |
| Clute | 9 mi | 47% | 28% |
| Jones Creek | 9 mi | 5% | 1% |
| Richwood | 11 mi | 78% | 6% |
| Lake Jackson | 12 mi | 67% | 15% |
| Brazoria | 17 mi | 28% | under 1% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026). Methods · Data status