Tallahatchie County, MS Shrink-Swell Risk

Tallahatchie County, MS's soil, for shrink-swell risk

High

Tallahatchie County, MS: USDA's soil survey rates 55.2% of the county "High" for shrink-swell potential (6.11% linear extensibility). Ground like this needs active moisture control to keep a conventional foundation from cracking - it's not automatic either way.

What Tallahatchie County's reading doesn't cover

Two lots a mile apart in Tallahatchie County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

What it costs to find out, versus to ignore it

Tallahatchie 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 Tallahatchie 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.

Tallahatchie County's rank among Mississippi counties

Nationally, Tallahatchie County, MS is the 112-most-constrained of 3,085 rated counties for shrink-swell soil. Within Mississippi alone it ranks 11 of 82. Tallahatchie County, MS is 646 square miles with a population of 10,921.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Mercer County, PA and Washington County, NY 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 Mississippi

Every county in Mississippi is on this site, including Stone County, MS and Monroe County, MS. The full underlying dataset is downloadable directly, one row per county.