Mississippi County, AR Shrink-Swell Risk

Mississippi County, AR's soil, for shrink-swell risk

High

Mississippi County, AR: USDA's soil survey rates 44.2% of the county "High" for shrink-swell potential (7.96% linear extensibility). Ground like this needs active moisture control to keep a conventional foundation from cracking - it's not automatic either way.

What Mississippi County's reading doesn't cover

Two lots a mile apart in Mississippi 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

Mississippi 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 Mississippi 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 Mississippi County, AR compares

Nationally, Mississippi County, AR is the 57-most-constrained of 3,085 rated counties for shrink-swell soil. Within Arkansas alone it ranks 4 of 75. Mississippi County covers 902 square miles and counts 38,095 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. York County, SC and East Carroll Parish, LA 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 Arkansas

Every county in Arkansas is on this site, including Hempstead County, AR and Stone County, AR. The full underlying dataset is downloadable directly, one row per county.