Itawamba County, MS Shrink-Swell Risk

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

Low

Itawamba County, MS: USDA's soil survey rates 91.7% of the county "Low" for shrink-swell potential (1.63% linear extensibility). Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What Itawamba County's reading doesn't cover

Two lots a mile apart in Itawamba 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 Itawamba County.

What it costs to find out, versus to ignore it

With Itawamba County, MS rating "Low", 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.

Itawamba County's rank among Mississippi counties

Nationally, Itawamba County, MS is the 2,351-most-constrained of 3,085 rated counties for shrink-swell soil. Within Mississippi alone it ranks 66 of 82. The county spans 533 square miles, home to 24,198 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Richland County, MT and Clear Creek County, CO 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 Tippah County, MS and Warren County, MS. The full underlying dataset is downloadable directly, one row per county.