Chickasaw County, MS Shrink-Swell Risk

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

Moderate

Chickasaw County, MS: USDA's soil survey rates 55.4% of the county "Moderate" for shrink-swell potential (4.15% linear extensibility). That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

What Chickasaw County's reading doesn't cover

Two lots a mile apart in Chickasaw County can carry different soil, even though they share one countywide reading. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Chickasaw County.

What it costs to find out, versus to ignore it

With Chickasaw County, MS rating "Moderate", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

How Chickasaw County, MS compares

Nationally, Chickasaw County, MS is the 498-most-constrained of 3,085 rated counties for shrink-swell soil. Within Mississippi alone it ranks 19 of 82. The county spans 502 square miles, home to 16,774 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Rock County, NE and Cumberland County, KY are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

More of Mississippi

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