Delta County, TX Shrink-Swell Risk

What Delta County, TX's soil means for a foundation

High

USDA's SSURGO data puts Delta County, TX's soil at "High" shrink-swell potential, an area-weighted linear extensibility of 7.69% across 46.1% of the county's surveyed land. Ground like this needs active moisture control to keep a conventional foundation from cracking - it's not automatic either way.

This is a county figure, not a lot figure

USDA's survey covers the whole of Delta County, TX at once, not any single address. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Report cost vs. repair cost

Delta County's soil reading is exactly the case where a report before construction, or before cracks widen, pays for itself. The report ($1,000-$5,000) is what tells you whether Delta County's county-level reading applies to your lot; the repair ($5,000-$15,000) is what it costs if you skip that and find out from the cracks instead.

How Delta County, TX compares

Nationally, Delta County, TX is the 66-most-constrained of 3,085 rated counties for shrink-swell soil. Within Texas alone it ranks 21 of 253. Delta County covers 257 square miles and counts 5,647 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Washington County, OR and Kent County, DE are worth a look for comparison.

How this reading is built, and its real limits · The warning signs of expansive-clay damage, explained

More of Texas

Every county in Texas is on this site, including Parmer County, TX and Hale County, TX. The full underlying dataset is downloadable directly, one row per county.